| Facility Name (Alias/Former Names) | City, State, Country | Program Years |
| Tervita Earth Matters (Tervita Environmental Services; Hazco) | Beaverlodge, AB, Canada | |2014| |
| Secure Energy Saddle Hills Landfill | Bonanza, AB, Canada | |2015| |
| CCR Technologies Ltd | Brooks, AB, Canada | |2020| |
| Newalta | Brooks, AB, Canada | |2015| |
| Safety-Kleen Canada, Inc. | Calgary, AB, Canada | |2022| |2019| |
| Terrapure (Newalta Corporation) | Calgary, AB, Canada | |2019| |2015| |
| Clean Harbors (Sellers Oilfield Services Ltd.) | Calmar, AB, Canada | |2018| |
| Camrose Regional Landfill | Camrose, AB, Canada | |2024| |
| Gibson Energy ULC | Claresholm, AB, Canada | |2015| |
| Secure Energy Pembina Landfill | Drayton Valley, AB, Canada | |2020| |2015| |
| Newalta Corporation | Drumheller, AB, Canada | |2015| |
| Newalta Corporation | Eckville, AB, Canada | |2015| |
| GFL Environmental (Green for Life) | Edmonton, AB, Canada | |2022| |
| Terrapure (Newalta) | Edmonton, AB, Canada | |2019| |
| Newalta | Elk Point, AB, Canada | |2017| |
| McKenzie Regional Waste Landfill | High Level, AB, Canada | |2024| |
| Tervita (Newalta) | Hughenden, AB, Canada | |2019| |
| Tervita (CCS Energy Services; Lindbergh Cavern Facility) | Lindbergh, AB, Canada | |2007| |
| Voda Midstream, Inc. (Wolverine MYT Oilfield Waste Management Facility Paddle River Area; Gibson Energy) | Mayerthorpe, AB, Canada | |2020| |2015| |
| Porocel (Criterion Catalyst & Technologies; Catalyst Recovery, Inc.) | Medicine Hat, AB, Canada | |2019| |2014| |2001| |
| Safety-Kleen Canada, Inc. | Nisku, AB, Canada | |2024| |2020| |
| Secure Energy | Nosehill, AB, Canada | |2014| |
| GFL Environmental (E.I.L. Environmental Services; Green For Life) | Onoway, AB, Canada | |2018| |
| East Peace Regional Waste Management Company | Peace River, AB, Canada | |2014| |
| Crowsnest/Pincher Creek Landfill | Pincher Creek, AB, Canada | |2020| |
| Tervita (Newalta) | Redwater, AB, Canada | |2020| |
| Rocky Mountain Regional Landfill | Rocky Mountain House, AB, Canada | |2014| |
| Secure Rocky Mountain Terminal | Rocky Mountain House, AB, Canada | |2015| |
| Secure Willesden Green Class II Landfill | Rocky Mountain House, AB, Canada | |2014| |
| Tervita Willesden Green LF (CCS) | Rocky Mountain House, AB, Canada | |2019| |2014| |
| Beaver Regional Landfill | Ryley, AB, Canada | |2024| |2019| |
| Clean Harbors (Newalta; Laidlaw) | Ryley, AB, Canada | |2019| |2017| |2014| |2010| |2005| |
| Newalta Corporation | Stauffer, AB, Canada | |2015| |
| Newalta Corporation | Stettler, AB, Canada | |2015| |
| Swan Hills Treatment Center | Swan Hills, AB, Canada | |2022| |2017| |2015| |2012| |2009| |2005| |2002| |
| Newalta Corporation | Taber, AB, Canada | |2015| |
| Newalta Corporation (Fort St. John Facility) | Baldonnel, BC, Canada | |2013| |
| Terrapure Environmental (Newalta Corporation; West Stoddart Facility) | Buick, BC, Canada | |2013| |
| Secure Energy (Dawson Creek Full Service Terminal) | Dawson Creek, BC, Canada | |2014| |
| Clean Harbors Canada | Delta, BC, Canada | |2021| |2015| |2003| |
| Safety-Kleen Canada, Inc. | Delta, BC, Canada | |2021| |
| Safety-Kleen Canada, Inc. | Duncan, BC, Canada | |2024| |
| Secure Northern Rockies Landfill (CCS; Tervita) | Fort Nelson, BC, Canada | |2023| |
| GFL Environmental (Green for Life) | Fort St. John, BC, Canada | |2014| |
| R360 Silverberry Landfill (Secure Energy; Tervita) | Fort St. John, BC, Canada | |2024| |
| Tervita Ft. St. John / Boundary Lake TRD (CCS) | Fort St. John, BC, Canada | |2014| |
| Sumas Environmental Services | Kamloops, BC, Canada | |2014| |
| Nanaimo Regional Landfill | Nanaimo, BC, Canada | |2020| |
| Terrapure Environmental (Newalta Corp.; Nanaimo Service Centre) | Nanaimo, BC, Canada | |2021| |
| Stericycle, Inc. (Hospital Sterilization Services; HSS) | Port Coquitlam, BC, Canada | |2023| |2010| |2007| |
| Newalta (Prince George Service Centre) | Prince George, BC, Canada | |2013| |
| Envirogreen Technologies Ltd | Princeton, BC, Canada | |2022| |2019| |2014| |
| Cirba Solutions (Toxco; Retriev Technologies) | Trail, BC, Canada | |2023| |2018| |2015| |2013| |2011| |2008| |
| Teck Metals, Ltd. (Teck Cominco Metals) | Trail, BC, Canada | |2014| |2001| |
| Miller Environmental Corporation (Manitoba Environmental Centre) | St. Jean Baptiste, MB, Canada | |2023| |2018| |
| Envirem Technologies, Inc. | Fredericton, NB, Canada | |2001| |
| Little Forks Landfill (Cumberland Joint Services Management Authority) | Spring Hill, NS, Canada | |2007| |
| Aevitas (Fluorescent Lamp Recyclers Technologies, Inc.; FLR) | Ayr, ON, Canada | |2021| |2016| |2010| |2007| |
| Quantum Lifecycle Partners | Barrie, ON, Canada | |2023| |
| Emerald Energy From Waste (Algonquin Power EFW, Inc) | Brampton, ON, Canada | |2022| |
| Safety-Kleen Canada, Inc. | Brampton, ON, Canada | |2022| |2019| |
| Stericycle Armthorpe | Brampton, ON, Canada | |2018| |2011| |
| Stericycle Deerhurst | Brampton, ON, Canada | |2023| |2018| |2015| |2011| |
| Stericycle Wentworth | Brampton, ON, Canada | |2021| |
| Safety-Kleen Canada, Inc. | Breslau, ON, Canada | |2024| |2019| |2018| |2007| |2005| |2000| |1996| |
| GFL Bowmanville Liquid Waste Facility (Detox Environmental; Clarington Industrial Services) | Clarington, ON, Canada | |2023| |2015| |2010| |
| Clean Harbors (Lambton-Sarnia Incineration/Landfill) | Corunna, ON, Canada | |2024| |2023| |2022| |2021| |2019| |2018| |2016| |2015| |2014| |2013| |2011| |2010| |2008| |2007| |2006| |2003| |2002| |2000| |1998| |1995| |
| Clean Harbors (Safety-Kleen Ltd.) | Guelph, ON, Canada | |2019| |2014| |
| Canadian Liquids Processors | Hamilton, ON, Canada | |2024| |
| GFL Environmental (Terrapure Environmental; Revolution Environmental; Newalta) | Hamilton, ON, Canada | |2015| |
| Tomlinson Environmental Services (Scott Environmental Group) | Kingston, ON, Canada | |2018| |2010| |
| Reworld Kitchener MPF (Covanta; Quantex Environmental) | Kitchener, ON, Canada | |2024| |2015| |2007| |
| Clean Harbors Canada | London, ON, Canada | |2007| |2005| |2002| |
| Safety-Kleen Canada, Inc. | London, ON, Canada | |2021| |
| Aimco Solrec Ltd. | Milton, ON, Canada | |2015| |
| Clean Harbors (Safety-Kleen Corporation) | Mississauga, ON, Canada | |2022| |2019| |2018| |2017| |2016| |2015| |2013| |2010| |2009| |2007| |2004| |2000| |
| eCycle Solutions | Mississauga, ON, Canada | |2022| |
| Fielding Chemical Technologies | Mississauga, ON, Canada | |2019| |2016| |2011| |2006| |2002| |
| Holcim (Canada), Inc. (St. Lawrence Cement; Holnam) | Mississauga, ON, Canada | |2010| |2004| |
| ICS Universal Drum Reconditioning (Industrial Container; ICS; All Tank) | Mississauga, ON, Canada | |2022| |2019| |2013| |
| Tonolli Canada, Ltd. | Mississauga, ON, Canada | |2015| |
| GFL Environmental (Lafleche Leblanc Soil Recycling Inc) | Moose Creek, ON, Canada | |2018| |
| Safety-Kleen Systems, Inc. | Nepean, ON, Canada | |2021| |
| Loop Recycled Products | Niagara Falls, ON, Canada | |2019| |
| Quantum Lifecycle Partners | North York, ON, Canada | |2023| |
| Shield Source, Inc | Peterborough, ON, Canada | |2010| |
| GFL Environmental (Liquids Waste Division) | Pickering, ON, Canada | |2022| |2018| |
| Raw Materials Company (RMC) | Port Colborne, ON, Canada | |2018| |2014| |2003| |
| Ssonix Products 2010 Inc. | St. Catharines, ON, Canada | |2016| |
| Clean Harbors Canada | Thorold, ON, Canada | |2007| |2005| |2002| |
| Xstrata (Falconbridge Limited; Kidd Metallurgical Division) | Timmins, ON, Canada | |2005| |
| WM Twin Creeks LF | Watford, ON, Canada | |2019| |
| Safety-Kleen Canada, Inc. | Windsor, ON, Canada | |2024| |
| Stablex Canada, Inc. (Marsulex Inc.) | Blainville, QC, Canada | |2024| |2023| |2021| |2018| |2017| |2015| |2014| |2013| |2012| |2010| |2008| |2007| |2005| |2003| |2002| |2000| |
| Sorinco, Inc. | Brossard, QC, Canada | |2006| |
| Safety-Kleen Canada, Inc. | Chambly, QC, Canada | |2024| |2022| |2019| |2016| |
| Triumvirate Environmental (Canada), Inc. (ChemTECH Environment Inc) | Contrecoeur, QC, Canada | |2023| |2019| |
| CRI Environment Inc | Coteau-du-Lac, QC, Canada | |2024| |2011| |
| Horizon Environnement | Grandes-Piles, QC, Canada | |2001| |
| Clean Harbors (Les Services; Safety-Kleen) | Mercier, QC, Canada | |2011| |2010| |2008| |2006| |2003| |2001| |
| Biogenie (Solution Eau Air Sol; Englobe) | Montreal-Est, QC, Canada | |2016| |
| Glencore Canada Corporation (Fonderie Horne; Xstrata; Noranda; Horne Smelter) | Rouyn-Noranda, QC, Canada | |2010| |2007| |2003| |
| RSI Environmental (Recupere Sol Inc.; Bennett Environmental Inc.) | Saint-Ambroise, QC, Canada | |2019| |2013| |2006| |
| Safety-Kleen Canada, Inc. | Saint-Augustin-de-Desmaures, QC, Canada | |2023| |2019| |
| WM Ste-Sophie Landfill | Sainte Sophie, QC, Canada | |2013| |
| Services Matrec Inc. | Saint-Hubert, QC, Canada | |2017| |
| WM Valleyfield Transfer Station | Salaberry-de-Valleyfield, QC, Canada | |2013| |
| Solution Eau Air Sol (GSI Envinronnement) | Sherbrooke, QC, Canada | |2001| |
| Enviro Connexions Complex (Vision Enviro Progressive, Progressive Lachenaie LF, BFI Canada) | Terrebonne, QC, Canada | |2017| |
| Clean Harbors (Safety-Kleen Corporation Lte.) | Thurso, QC, Canada | |2012| |2009| |2006| |2005| |2003| |2001| |
| Solumet Metal and Powder, Inc. (Metaux Et Poudres Solumet) | Varennes, QC, Canada | |2023| |2011| |
| Clean Harbors (Safety-Kleen Services (Quebec) Ltd.) | Ville Ste-Catherine, QC, Canada | |2012| |
| Revolution VSC (Terrapure, Newalta, Nova Pb Inc.) | Ville Ste-Catherine, QC, Canada | |2021| |2016| |2014| |2012| |2009| |2006| |2003| |
| Tervita (Newalta) | Halbrite, SK, Canada | |2019| |
| Plains Environmental | Melville, SK, Canada | |2023| |
| Secure Energy Mervin Landfill | Turtleford, SK, Canada | |2022| |
| Ecoltec S.A. de C.V. | Apaxco, Mexico, Mexico | |2008| |
| Reind Quimica, S.A. de C.V. | Chicoloapan, Mexico, Mexico | |2005| |
| Laidlaw Environmental Services de Mexico (Clean Harbors) | Ciudad Juarez, Chihuahua, Mexico | |2004| |
| Rinchem Company, Inc. (Compañia Rinquim S.A. de C.V) | Ciudad Juarez, Chihuahua, Mexico | |2005| |
| Residuous Industriales Multiquim SA (RIMSA) (RIMSA) | Ecatepec de Morelos, Mexico, Mexico | |2012| |
| Veolia Soluciones Industriales Mexico S.A. de C.V. (Xalostoc Facility) | Ecatepec de Morelos, Mexico, Mexico | |2024| |
| Pro-Ambiente | Huichapan, Hidalgo, Mexico | |2005| |
| Sociedad Ecologica Mexicana Del Norte S.A. de C.V. (SEMNSA) | La Noria de la Sabina, Coahuila, Mexico | |2024| |2021| |
| Klinash, S.A. de C.V. | Lerma, Mexico, Mexico | |2023| |2019| |
| ADSA Residuos S.A. de C.V. | Mexicali, Baja California, Mexico | |2024| |
| Technology Displays Mexicana SA de CV | Mexicali, Baja California, Mexico | |2019| |
| Veolia Soluciones Industriales (Residuous Industriales Multiquim SA Landfill; RIMSA) | Mina, Nuevo Leon, Mexico | |2023| |2020| |2017| |2014| |2011| |2008| |2006| |2004| |2001| |1998| |
| Gen Industrial (PASA) | Monterrey, Nuevo Leon, Mexico | |2013| |
| Geocycle Mexico (Ecoltec; Holcim Mexico) | Ramos Arizpe, Coahuila, Mexico | |2024| |2016| |
| Ecosistem de Aguascalientes, S.A. de C.V. | San Francisco de los Romo, Aguascalientes, Mexico | |2021| |
| CEMEX Mexico S.A.B. de C.V. (Planta Tamuin) | Tamuin, San Luis Potosi, Mexico | |2022| |
| Recicladora Temarry (Temarry Recycling) | Tecate, Baja California, Mexico | |2023| |2017| |
| Cali Resources SA de CV | Tijuana, Baja California, Mexico | |2019| |
| Jack Engle De Mexico S. De R.L. De C.V | Tijuana, Baja California, Mexico | |2015| |
| Samex Recycling Technologies | Tijuana, Baja California, Mexico | |2023| |
| Tizaquim S.A. | Tizayuca, Hidalgo, Mexico | |2003| |
| Pro-Ambiente | Torreon, Coahuila de Zaragoza, Mexico | |2005| |
| PSC Environmental Services | Anchorage, AK, USA | |2004| |
| Stericycle Environmental Solutions (Burlington Environmental LLC) | Anchorage, AK, USA | |2015| |
| US Ecology (NRC Alaska, Emerald Alaska, Viking Facility) | Anchorage, AK, USA | |2019| |2015| |2012| |2005| |
| NRC Alaska (Emerald Alaska) | Kenai, AK, USA | |2017| |
| Organic Incineration Technology (OIT Moose Creek) | North Pole, AK, USA | |2004| |
| NRC Alaska (Emerald Services; Springer Facility) | Palmer, AK, USA | |2005| |
| North Slope Borough Oxbow Municipal Solid Waste LF | Prudhoe Bay, AK, USA | |2016| |2012| |
| City of Unalaska Landfill | Unalaska, AK, USA | |2012| |
| HVF LLC (HVF West) | Alexandria, AL, USA | |2012| |
| Multimetco | Anniston, AL, USA | |2010| |2005| |2002| |
| Giant Resource Recovery Co. (M & M Chemical Company; GRR) | Attalla, AL, USA | |2022| |2020| |2018| |2016| |2015| |2012| |2011| |2010| |2008| |2004| |2002| |1998| |
| EcoSouth Services Axis Landfill | Axis, AL, USA | |2019| |
| Allworth, Inc. (Stericycle Environmental Solutions; Philip Services Corp.; Southdown) | Birmingham, AL, USA | |2024| |2022| |2019| |2014| |2012| |2005| |2001| |
| Sunoco LLC (Allied Energy) | Birmingham, AL, USA | |2017| |2013| |2004| |
| Republic Timberlands Landfill (BFI Timberlands Landfill) | Brewton, AL, USA | |2015| |2000| |
| Systech Environmental Corp. | Demopolis, AL, USA | |1998| |
| Safety-Kleen Systems, Inc. | Dolomite, AL, USA | |2021| |
| Republic Pineview Landfill (Allied Waste Pine View Landfill; BFI Pineview Landfill) | Dora, AL, USA | |2015| |
| Chemical Waste Management, Inc. | Emelle, AL, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2005| |2003| |2002| |2000| |1998| |1995| |
| Clean Earth (EWS Alabama; C-MAC Environmental Group; Fisher Industrial Services) | Glencoe, AL, USA | |2024| |2022| |2016| |2010| |2005| |2001| |1998| |
| Republic Morris Farm Landfill (BFI; Allied Waste) | Hillsboro, AL, USA | |2022| |2019| |2014| |2010| |
| Huntsville Landfill | Huntsville, AL, USA | |2016| |2012| |
| Reworld Huntsville (Covanta) | Huntsville, AL, USA | |2023| |2020| |2018| |2015| |2013| |2010| |2004| |
| Safety-Kleen Systems, Inc. | Huntsville, AL, USA | |2021| |
| Valicor Environmental Services, LLC (United Wastewater) | Huntsville, AL, USA | |2021| |
| Steel Dust Recycling LLC | Millport, AL, USA | |2023| |
| Liquid Environmental Solutions (Industrial Water Services) | Mobile, AL, USA | |2020| |2012| |
| WM Chastang Landfill | Mt. Vernon, AL, USA | |2012| |
| WM Salem Waste Disposal | Opelika, AL, USA | |2007| |2005| |
| TCI of Alabama (Trans Cycle Industries; TCI) | Pell City, AL, USA | |2024| |2022| |2020| |2017| |2015| |2013| |2010| |2008| |2006| |2003| |
| WM Three Corners Regional Landfill | Piedmont, AL, USA | |2007| |
| Aaron Oil Company, Inc. | Saraland, AL, USA | |2024| |2021| |2020| |2017| |2015| |2013| |2009| |2006| |2003| |2000| |
| Mitchell Container Services, Inc. | Saraland, AL, USA | |2000| |
| FCC Environmental (Apex Environmental; CCS Energy Services; Environmental Treatment Team) | Theodore, AL, USA | |2010| |2006| |2000| |
| Geocycle | Theodore, AL, USA | |2012| |
| Sanders Lead Company | Troy, AL, USA | |2023| |2018| |2013| |2008| |2006| |2004| |
| Arrowhead Landfill | Uniontown, AL, USA | |2022| |
| Safety-Kleen Systems, Inc. | Whistler, AL, USA | |2013| |1999| |
| Container Life Cycle Management LLC (Drumco; Memphis Drum Service) | Arkadelphia, AR, USA | |2021| |2016| |
| Elemental Environmental Solutions (Reynolds Metals; Alcoa Gum Springs Plant) | Arkadelphia, AR, USA | |2023| |2022| |2020| |2017| |
| Republic Services Saline County Landfill | Bauxite, AR, USA | |2019| |2015| |
| Clean Harbors (Teris LLC; ENSCO) | El Dorado, AR, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2002| |2001| |2000| |1999| |1998| |1995| |
| GFL Union County Landfill | El Dorado, AR, USA | |2022| |2017| |
| Ash Grove Cement | Foreman, AR, USA | |2024| |2023| |2021| |2020| |2019| |2018| |2017| |2015| |2014| |2012| |2010| |2008| |2006| |2005| |2003| |2000| |
| Rineco Chemical Industries | Haskell, AR, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2002| |1999| |1996| |
| GFL Rolling Meadows Landfill | Hazen, AR, USA | |2022| |2008| |
| ORG Chem Group, LLC (Organic Chemical Group; Mid-America Distillations Inc.; MADI; CHEM Group) | Hot Springs, AR, USA | |2019| |2015| |2011| |2007| |
| StratCor (US Vanadium Corporation) | Hot Springs, AR, USA | |2004| |2002| |2000| |
| BFI Waste Services of Little Rock (Allied Waste Systems; Modelfill) | Little Rock, AR, USA | |2003| |
| Evoqua Water Technologies, LLC (Siemens Hydrocarbon; US Filter Recovery Services) | Little Rock, AR, USA | |2007| |
| Heritage-Crystal Clean | Little Rock, AR, USA | |2022| |2020| |
| ATM Oil Company, Inc. | Marion, AR, USA | |2009| |
| WM Two Pine Landfill | North Little Rock, AR, USA | |2019| |2013| |2007| |
| WM Jefferson County LF | Pine Bluff, AR, USA | |2019| |
| Rogers Iron & Metal Corp. (RIMCO) | Rogers, AR, USA | |2011| |
| Four R Marketing LLC | Smackover, AR, USA | |2022| |2019| |2013| |
| Used Oil Service, Inc. | Springdale, AR, USA | |2009| |
| Heritage-Crystal Clean | Van Buren, AR, USA | |2022| |2019| |
| Frit Industries | Walnut Ridge, AR, USA | |2011| |
| Republic Apache Junction Landfill | Apache Junction, AZ, USA | |2022| |2019| |
| Republic Services Southwest Regional LF | Buckeye, AZ, USA | |2016| |2007| |
| Triumvirate Environmental | Casa Grande, AZ, USA | |2024| |
| Romic Environmental Technologies Corp. (US Liquids) | Chandler, AZ, USA | |2006| |2004| |2002| |1999| |
| Safety-Kleen Systems, Inc. | Chandler, AZ, USA | |2022| |
| Heritage Environmental | Coolidge, AZ, USA | |2023| |2020| |2019| |2015| |2005| |
| Republic Cactus Waste Systems LF | Florence, AZ, USA | |2024| |2018| |
| WM LampTracker (Earth Protection Services, Inc.) | Glendale, AZ, USA | |2023| |2021| |2018| |2016| |2011| |
| Cal Chem Metals | Globe, AZ, USA | |2007| |
| WM Painted Desert Landfill | Joseph City, AZ, USA | |2017| |
| WM Marana Regional Landfill | Marana, AZ, USA | |2024| |2018| |
| WM Butterfield Station Landfill (Waste Management, Inc.) | Mobile, AZ, USA | |2020| |2017| |2011| |2008| |2005| |2000| |
| Desotec US, LLC (Evoqua; Siemens; Westates; US Filter) | Parker, AZ, USA | |2024| |2022| |2020| |2018| |2016| |2014| |2013| |2012| |2011| |2009| |2008| |2007| |2006| |2005| |2004| |2002| |2000| |1998| |
| Republic Services La Paz County Landfill | Parker, AZ, USA | |2019| |2011| |
| Clean Harbors | Phoenix, AZ, USA | |2024| |2022| |2021| |2019| |2018| |2016| |2015| |2013| |2011| |2010| |2007| |2005| |2004| |
| Emerald Transformer (Environmental Management Systems) | Phoenix, AZ, USA | |2019| |2007| |
| Gannon and Scott | Phoenix, AZ, USA | |2022| |2019| |2011| |2006| |
| Heritage-Crystal Clean | Phoenix, AZ, USA | |2023| |
| Lighting Resources, Inc. (Fluorescent Bulb Facility; Special Processes of Arizona) | Phoenix, AZ, USA | |2023| |2017| |
| Lighting Resources, Inc. (Ballast Facility) | Phoenix, AZ, USA | |2022| |2017| |
| Liquid Environmental Solutions (Resource Recovery Techniques of Arizona) | Phoenix, AZ, USA | |2022| |2019| |2013| |
| Thermo-Fluids, Inc. | Phoenix, AZ, USA | |2022| |2020| |2019| |2016| |2012| |2010| |2008| |2005| |2002| |
| Univar | Phoenix, AZ, USA | |2007| |
| Veolia ES Technical Solutions (Onyx ES; Superior; Salesco) | Phoenix, AZ, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2002| |1999| |
| Westech Recycling | Phoenix, AZ, USA | |2007| |
| WM Northwest Regional Landfill | Surprise, AZ, USA | |2024| |2021| |2018| |2015| |2007| |
| Stericycle | Tempe, AZ, USA | |2022| |
| World Resources Company | Tolleson, AZ, USA | |2006| |2003| |
| Allied Precious Metals | Tucson, AZ, USA | |2000| |
| Sims Recycling Solutions | Tucson, AZ, USA | |2024| |2021| |2018| |
| Republic Copper Mountain LF | Wellton, AZ, USA | |2023| |2012| |
| We Recycle Solar (Yuma Operations) | Yuma, AZ, USA | |2023| |
| Soil Safe of California, Inc. (TPST Technologies) | Adelanto, CA, USA | |2024| |2020| |2015| |2013| |2011| |2008| |1999| |
| ADS Gold, Inc. | Anaheim, CA, USA | |2015| |
| Kinsbursky Brothers Supply, Inc. | Anaheim, CA, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2007| |2006| |2004| |2003| |2001| |1998| |
| Waste Connections Avenal Disposal | Avenal, CA, USA | |2024| |
| Thermal Remediation Solutions | Azusa, CA, USA | |2005| |
| Veolia ES Technical Solutions (Onyx ES; OSCO; CWM) | Azusa, CA, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2008| |2007| |2006| |2005| |2004| |2003| |2002| |2000| |1998| |
| Visions Recycling, Inc. (Acrylatex Coatings; Paints for Less) | Azusa, CA, USA | |2019| |
| WM Azusa Land Reclamation Company (USA Waste of California) | Azusa, CA, USA | |2023| |2021| |2020| |2018| |2015| |2013| |2011| |2007| |2005| |
| B&B Surplus Inc. | Bakersfield, CA, USA | |2009| |
| California Pipe Recycling, Inc. (CPR) | Bakersfield, CA, USA | |2011| |
| Fortune Metal Inc. | Bakersfield, CA, USA | |2024| |2012| |
| Heritage-Crystal Clean | Bakersfield, CA, USA | |2024| |
| Calgon Carbon Corporation | Blue Lake, CA, USA | |2005| |2002| |
| Clean Harbors (Safety-Kleen; Laidlaw) | Buttonwillow, CA, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2004| |2002| |2000| |1997| |
| Safety-Kleen Systems, Inc. (Evergreen Oil) | Carson, CA, USA | |2007| |
| RSR Corporation | City of Industry, CA, USA | |2019| |2014| |2008| |2005| |
| California Portland Cement | Colton, CA, USA | |2005| |
| Thermal Combustion Innovators (TCI) | Colton, CA, USA | |2011| |2001| |
| Apex Drum Company | Commerce, CA, USA | |2008| |
| Appliance Recycling Centers of America, Inc. | Compton, CA, USA | |2008| |
| World Oil Recycling (Demenno-Kerdoon) | Compton, CA, USA | |2024| |2023| |2022| |2021| |2019| |2018| |2017| |2016| |2015| |2014| |2012| |2010| |2009| |2006| |2005| |2003| |2001| |2000| |1998| |
| MediWaste Disposal, LLC | Corona, CA, USA | |2022| |
| WM El Sobrante Landfill | Corona, CA, USA | |2018| |
| Reworld Secure Services (Covanta; American Ref-Fuel) | Crows Landing, CA, USA | |2023| |2020| |2015| |
| Advanced Environmental, Inc. (D/K Dixon; Demenno-Kerdoon) | Dixon, CA, USA | |2019| |
| Romic Environmental Technologies (ERP Environmental Services; US Liquids) | East Palo Alto, CA, USA | |2006| |2005| |2003| |2001| |1998| |1995| |
| Safety-Kleen Systems, Inc. | El Monte, CA, USA | |2011| |2007| |
| ACT Enviro (ACT Medical Services; Advanced Chemical Transport, Inc.) | Escondido, CA, USA | |2020| |2017| |
| Orange Coast Computers & Recycling | Fountain Valley, CA, USA | |2009| |
| Healthwise Services | Fowler, CA, USA | |2021| |2019| |2016| |
| AER Worldwide | Fremont, CA, USA | |2013| |
| Veolia ES Technical Solutions (Onyx Environmental Services) | Fremont, CA, USA | |2015| |2011| |
| Cedar Avenue Recycling and Transfer Station (CARTS; Industrial Waste and Salvage; IWS) | Fresno, CA, USA | |2016| |
| Daniels Sharpsmart, Inc. (Daniels Health) | Fresno, CA, USA | |2021| |2013| |
| Electronic Recyclers International, Inc. (ERI) | Fresno, CA, USA | |2022| |2019| |2011| |
| Safety-Kleen Systems, Inc. | Fresno, CA, USA | |2018| |
| Safety-Kleen Systems, Inc. (Evergreen Recycling) | Fresno, CA, USA | |2023| |2020| |
| Stericycle (BFI Medical Waste Systems) | Fresno, CA, USA | |2014| |2011| |
| All Green Electronics Recycling, LLC | Garden Grove, CA, USA | |2022| |
| HMR USA Inc. | Gardena, CA, USA | |2007| |
| Metech International | Gilroy, CA, USA | |2014| |2006| |2002| |
| AERC Recycling Solutions (AERC.com, Inc.; MTI; Mercury Technologies International) | Hayward, CA, USA | |2023| |2020| |2017| |2014| |2013| |2012| |2010| |2009| |2007| |2006| |2004| |2002| |2000| |1998| |
| Container Management Services (Western Drum) | Hayward, CA, USA | |2023| |2019| |2014| |2000| |
| e-Recycling of California | Hayward, CA, USA | |2015| |
| Stericycle | Hayward, CA, USA | |2016| |
| Stericycle Inc. | Hollister, CA, USA | |2013| |
| Rho Chem (Stericycle Environmental Solutions; PSC) | Inglewood, CA, USA | |2019| |2013| |2008| |2001| |
| Chemical Waste Management (Kettleman Hills Facility) | Kettleman City, CA, USA | |2024| |2023| |2021| |2020| |2019| |2018| |2016| |2015| |2014| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2002| |2001| |2000| |1998| |1995| |
| WM Lancaster Landfill (Waste Management of Antelope Valley) | Lancaster, CA, USA | |2013| |
| Republic Services Vasco Road Landfill | Livermore, CA, USA | |2022| |2012| |2004| |2002| |
| WM Altamont Landfill and RRF | Livermore, CA, USA | |2024| |2023| |2019| |2018| |2014| |2011| |2007| |2004| |
| City Paper & Metals | Long Beach, CA, USA | |2008| |
| Crosby & Overton | Long Beach, CA, USA | |2023| |2022| |2021| |2018| |2017| |2013| |2011| |2008| |2006| |2004| |2002| |1997| |
| Reworld Long Beach Renewable Energy (Covanta) | Long Beach, CA, USA | |2022| |2014| |
| Emerald Transformer (Clean Harbors; Rollins; Safety-Kleen) | Los Angeles, CA, USA | |2022| |2016| |2013| |2011| |2010| |2007| |2005| |2003| |2000| |1999| |1995| |
| Industrial Service Oil Company (Safety-Kleen Corporation) | Los Angeles, CA, USA | |2018| |
| Intechra (ePC; Electronics Partners Corporation) | Los Angeles, CA, USA | |2005| |
| Jack Engle & Co. | Los Angeles, CA, USA | |2015| |
| Pacific Resource Recovery (Ellis Paints; PRRS) | Los Angeles, CA, USA | |2024| |2023| |2020| |2019| |2018| |2015| |2012| |2009| |2007| |2005| |2003| |
| Republic Services Forward, Inc. | Manteca, CA, USA | |2023| |2018| |2014| |2011| |2005| |2002| |
| California Electronic Asset Recovery, Inc. (CEAR) | Mather, CA, USA | |2019| |
| WM McKittrick Facility (Liquid Waste Management, Inc.; McKittrick Waste Treatment Site) | McKittrick, CA, USA | |2023| |2020| |2017| |2015| |2012| |2008| |2003| |2000| |
| Ingenium | Milpitas, CA, USA | |2016| |
| Philadelphia Recycling Mine | Mira Loma, CA, USA | |2008| |
| AERC Acquisition Corp. Modesto (AERC Recycling Solutions; Com-Cycle) | Modesto, CA, USA | |2024| |2019| |
| Commodity Resources and Environmental, Inc. | Mojave, CA, USA | |2010| |
| Industrial Container Services (IFCO; Waymire Drum; Palex) | Montebello, CA, USA | |2016| |2012| |2002| |
| Jimco Inc. | Montebello, CA, USA | |2009| |
| Safety-Kleen Systems, Inc. (Evergreen Oil, Inc.) | Newark, CA, USA | |2021| |2018| |2015| |2012| |2010| |2007| |2005| |2002| |1999| |1997| |
| WM Redwood Landfill and Recycling Center | Novato, CA, USA | |2018| |2013| |
| Integrated Environmental Systems | Oakland, CA, USA | |1999| |
| Radius Recycling (Schnitzer Steel; Oakland Metals Recycling Yard & Port) | Oakland, CA, USA | |2020| |2013| |
| Lighting Resources LLC | Ontario, CA, USA | |2022| |2019| |2015| |2003| |
| Patriot Waste Water | Orange, CA, USA | |2023| |2018| |
| WM of Antelope Valley (Waste Management, Inc.) | Palmdale, CA, USA | |2003| |
| Medical Waste Services | Paramount, CA, USA | |2022| |2016| |
| Republic Services Keller Canyon Landfill | Pittsburg, CA, USA | |2024| |2019| |2015| |2011| |2010| |2006| |
| Clean Earth Specialty Waste Solutions (Stericycle Environmental Solutions; PSC) | Pomona, CA, USA | |2013| |
| Clean Earth Environmental Solutions (Stericycle Environmental Solutions; PSC; General Environmental Management; American Environmental) | Rancho Cordova, CA, USA | |2021| |2016| |2013| |
| K-Pure Waterworks | Rancho Cucamonga, CA, USA | |2018| |
| Sims Recycling Solutions (Sims Los Angeles) | Rancho Dominguez, CA, USA | |2013| |
| Desotec (Evoqua; Siemens Water; US Filter; Westates Carbon; Northwestern Carbon) | Red Bluff, CA, USA | |2020| |2015| |2010| |2005| |
| Seaport Environmental | Redwood, CA, USA | |2002| |
| Safety-Kleen Systems, Inc. | Reedley, CA, USA | |2005| |2000| |1996| |
| Hazmat TSDF, Inc. (Filter Recycling Services; FRS) | Rialto, CA, USA | |2020| |2016| |2014| |2012| |2011| |2008| |2007| |2002| |
| IBC Recon Services (Container Technology Inc) | Rialto, CA, USA | |2024| |
| Veolia ES Technical Solutions (Onyx Environmental Services) | Richmond, CA, USA | |2023| |2020| |2018| |2017| |2014| |2011| |2008| |2006| |2004| |2002| |
| InStrat, Inc. | Rio Vista, CA, USA | |2014| |2002| |
| Amazon Environmental Inc (Amazon Paint, Amazon) | Riverside, CA, USA | |2019| |
| Sims Recycling Solutions (Noranda Recycling, Micro Metallics) | Roseville, CA, USA | |2022| |2018| |2014| |2010| |2000| |
| Amazon Environmental Inc (Amazon Paint, Amazon) | Sacramento, CA, USA | |2019| |
| Safety-Kleen Systems, Inc. | Sacramento, CA, USA | |2022| |2019| |2017| |2015| |2011| |
| Visions Recycling, Inc. | Sacramento, CA, USA | |2020| |
| Clean Harbors (Safety-Kleen; USPCI) | San Jose, CA, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2013| |2012| |2011| |2010| |2008| |2007| |2006| |2005| |2003| |2002| |2000| |1999| |1998| |
| Sims Metal Management (Noranda Recycling; Falconbridge; Micro Metallics Corporation) | San Jose, CA, USA | |2005| |2003| |2000| |
| WM Kirby Canyon Recycling | San Jose, CA, USA | |2017| |
| Apto Solutions | San Leandro, CA, USA | |2022| |
| Stericycle | San Leandro, CA, USA | |2011| |2008| |2004| |
| Gemini Industries, Inc. | Santa Ana, CA, USA | |2019| |2017| |2013| |2008| |2001| |
| Safety-Kleen Systems, Inc. | Santa Ana, CA, USA | |2022| |2018| |2013| |
| ECS Refining | Santa Clara, CA, USA | |2018| |2016| |2013| |2010| |2006| |2002| |1999| |
| Heraeus Precious Metals North America LLC (Heraeus Metal Processing Inc.; PGP Industries) | Santa Fe Springs, CA, USA | |2013| |2012| |2010| |2008| |2006| |2004| |2002| |2000| |1998| |
| Phibro-Tech Incorporated | Santa Fe Springs, CA, USA | |2023| |2020| |2017| |2014| |2011| |2007| |2001| |
| Santa Maria Regional Landfill | Santa Maria, CA, USA | |2021| |2017| |
| Republic Services Sycamore Landfill (San Diego Landfill System) | Santee, CA, USA | |2023| |
| WM Simi Valley Landfill & Recycling Center | Simi Valley, CA, USA | |2022| |2017| |2008| |
| Ted Levine Drum Company | South El Monte, CA, USA | |2022| |2012| |
| Pacific Coast Recycling (Fairway Salvage Division) | South Gate, CA, USA | |2008| |
| ECS Refining | Stockton, CA, USA | |2016| |
| Stericycle (Stockton Plant) | Stockton, CA, USA | |2023| |
| Waste Connections Potrero Hills LF | Suisun, CA, USA | |2023| |2018| |
| Metals Etc. | Sun Valley, CA, USA | |2007| |
| Environmental Management & Controls, Inc. (Thomas Gray & Associates) | Turlock, CA, USA | |2023| |2020| |2012| |2007| |2004| |
| Recology Hay Road Landfill (Norcal Waste System Hay Road LF; B&J Sanitary LF) | Vacaville, CA, USA | |2022| |2018| |2012| |
| DK Environmental (D/KE) | Vernon, CA, USA | |2003| |
| Exide Technologies | Vernon, CA, USA | |2012| |2009| |2005| |
| Southwest Processors (Southwest Treatment Systems) | Vernon, CA, USA | |2009| |
| Stericycle | Vernon, CA, USA | |2024| |2021| |2019| |2018| |2017| |2014| |2011| |2007| |2004| |
| Trilogy MedWaste - So CA (WM Healthcare Solutions) | Vernon, CA, USA | |2022| |2017| |
| US Ecology Vernon, Inc. (Evoqua; Siemens; US Filter; Norris) | Vernon, CA, USA | |2023| |2020| |2018| |2017| |2014| |2013| |2011| |2010| |2008| |2007| |2006| |2004| |2003| |2001| |1999| |
| Safety-Kleen Systems, Inc. (Laidlaw) | Westmorland, CA, USA | |1998| |
| Puente Hills Landfill (Sanitary Districts of LA County) | Whittier, CA, USA | |2003| |
| Clean Harbors (Teris, LLC; ENSCO West) | Wilmington, CA, USA | |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2013| |2012| |2011| |2009| |2007| |2005| |2003| |2001| |1999| |
| SMR Worldwide (SMR Asset Recovery) | Woodland, CA, USA | |2019| |
| Yolo County Central Landfill | Woodland, CA, USA | |2021| |
| Stericycle, Inc. | Yuba City, CA, USA | |2016| |
| Arvada Treatment Center | Arvada, CO, USA | |2012| |
| WM Denver Arapahoe Site (Waste Management, Inc.) | Aurora, CO, USA | |2015| |2003| |
| WM Conservation Services | Bennett, CO, USA | |2023| |2019| |2017| |2014| |2013| |2009| |2002| |1999| |
| Mesa Oil | Commerce City, CO, USA | |2019| |
| Republic Services Tower Road Landfill | Commerce City, CO, USA | |2019| |
| Stericycle | Dacono, CO, USA | |2015| |2011| |2007| |2004| |
| Clean Harbors (Safety-Kleen; Highway 36 Dev. Co.) | Deer Trail, CO, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2013| |2010| |2000| |
| GreenSheen Paint | Denver, CO, USA | |2024| |
| Metech Recycling | Denver, CO, USA | |2020| |2014| |
| Thermo Fluids | Denver, CO, USA | |2024| |2021| |2017| |
| GreenSheen Paint and Design (GreenSheen) | Englewood, CO, USA | |2019| |
| Safety-Kleen Systems, Inc | Englewood, CO, USA | |2024| |2021| |
| Waste Connections Front Range Landfill | Erie, CO, USA | |2023| |
| WM Midway Landfill | Fountain, CO, USA | |2019| |
| Safety Kleen Systems, Inc. | Grand Junction, CO, USA | |2017| |
| Pawnee Waste LLC | Grover, CO, USA | |2023| |
| Veolia ES Technical Solutions (Onyx ES; OSCO; WM; CWM) | Henderson, CO, USA | |2024| |2023| |2021| |2020| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2010| |2009| |2007| |2005| |2004| |2003| |2001| |1998| |
| WM Buffalo Ridge Landfill | Keenesburg, CO, USA | |2018| |
| Betz Transformer | Olathe, CO, USA | |2009| |
| Southern Colorado Services & Recycling LLC (Paint Recyclers LLC) | Pueblo, CO, USA | |2019| |
| Tradebe Treatment and Recycling (Bridgeport United Recycling; United Oil Recovery) | Bridgeport, CT, USA | |2022| |2020| |2018| |2017| |2015| |2010| |2007| |2004| |2002| |1999| |
| Clean Harbors (CECOS; BFI; Southdown) | Bristol, CT, USA | |2024| |2022| |2021| |2019| |2018| |2016| |2015| |2013| |2012| |2010| |2008| |2007| |2006| |2004| |2003| |2000| |1997| |
| GE Water & Process Technologies (Ecolochem, Inc; General Electric Power & Electric Resin Regeneration Facility) | East Hartford, CT, USA | |2017| |
| Northeast Lamp Recycling (NLR) | East Windsor, CT, USA | |2023| |2018| |2017| |2012| |
| Heritage-Crystal Clean | Hartford, CT, USA | |2023| |2020| |
| Tradebe Treatment and Recycling Northeast, LLC (United Oil Recovery; United Industrial Services) | Meriden, CT, USA | |2024| |2020| |2018| |2016| |2015| |2013| |2009| |2006| |2004| |2001| |1998| |
| WeRecycle!, Inc. | Meriden, CT, USA | |2007| |
| Evoqua Water Technologies (Siemens Water Technologies; US Filter) | South Windsor, CT, USA | |2017| |
| Trans-Clean Corp | Stratford, CT, USA | |2017| |
| Environmental Waste Resources (EWR) | Waterbury, CT, USA | |1995| |
| Phoenix Soil LLC | Waterbury, CT, USA | |2011| |2005| |
| Intechra | Windsor, CT, USA | |2010| |
| Clean Earth of New Castle, LLC | New Castle, DE, USA | |2024| |2021| |2018| |2017| |2015| |2010| |2006| |
| Revolution Recovery | New Castle, DE, USA | |2017| |
| Cherry Island Landfill | Wilmington, DE, USA | |2016| |2010| |
| Heritage-Crystal Clean (International Petroleum Corporation; FCC Environmental USFilter; IPC; EarthCare) | Wilmington, DE, USA | |2013| |2011| |2010| |2008| |2006| |2003| |2001| |
| Industrial Resource Network (IRN) | Wilmington, DE, USA | |2005| |
| Stericycle | Apopka, FL, USA | |2019| |2012| |2002| |
| Petrotech Southeast, Inc. | Astatula, FL, USA | |2024| |2017| |
| Wheelabrator Ridge Energy, Inc. (Waste Management, Inc.) | Auburndale, FL, USA | |2008| |
| Clean Harbors (Safety-Kleen; Laidlaw) | Bartow, FL, USA | |2023| |2021| |2019| |2017| |2014| |2011| |2008| |2006| |2005| |2003| |2002| |1998| |
| Safety-Kleen Systems, Inc. | Boynton Beach, FL, USA | |2021| |2018| |
| WM Springhill Regional LF | Campbellton, FL, USA | |2023| |2018| |
| Escambia County Perdido Landfill | Cantonment, FL, USA | |2015| |
| Perma-Fix of Ft. Lauderdale | Davie, FL, USA | |2006| |
| Perma-Fix of Florida | Gainesville, FL, USA | |2023| |2022| |2021| |2019| |2018| |2016| |2015| |2013| |2012| |2011| |2009| |2008| |2007| |2006| |2005| |2003| |2002| |2001| |1999| |1995| |
| Cliff Berry, Inc. | Jacksonville, FL, USA | |2013| |2009| |
| Heritage-Crystal Clean (Jacksonville Branch) | Jacksonville, FL, USA | |2021| |2018| |
| Liquid Environmental Solutions (Industrial Water Service; IWS) | Jacksonville, FL, USA | |2024| |2013| |2002| |
| Water Recovery, LLC | Jacksonville, FL, USA | |2013| |2009| |
| Aqua Clean Environmental (USA Waste; Reco Industries) | Lakeland, FL, USA | |2016| |2012| |2007| |
| CEMEX Inc. (Rinker Materials, CSR; CS Rinker) | Miami, FL, USA | |2009| |2000| |
| Cliff Berry Inc. (CBI) | Miami, FL, USA | |2021| |2018| |2016| |2012| |2007| |2005| |
| Atlas Transoil (dba Kleensoil South Florida) | Moore Haven, FL, USA | |2007| |
| Clark Environmental Inc | Mulberry, FL, USA | |2022| |2016| |2014| |2010| |2007| |
| Reworld Lake II, Inc. (Covanta; Ogden Waste Treatment; Lake County Facility) | Okahumpka, FL, USA | |2021| |2015| |2010| |2005| |1999| |
| WM Okeechobee Landfill | Okeechobee, FL, USA | |2024| |2017| |2015| |2012| |2008| |
| Raider Environmental Services Inc. | Opa-locka, FL, USA | |2014| |
| Safety-Kleen Systems, Inc. | Orange Park, FL, USA | |2021| |2018| |
| Triumvirate Environmental Inc. (Perma-Fix of Orlando) | Orlando, FL, USA | |2024| |2023| |2020| |2006| |2003| |
| Kleensoil International | Palmetto, FL, USA | |2003| |
| Heritage-Crystal Clean (FCC Environmental; Siemens Hydrocarbon Services; US Filter Recovery Services, Inc.) | Plant City, FL, USA | |2023| |2020| |2018| |2016| |2014| |2011| |2007| |2004| |
| Heritage-Crystal Clean (Evoqua Water Technologies, LLC; Siemens Water Technologies; USFilter Recovery Services, Inc.) | Pompano Beach, FL, USA | |2023| |2020| |2007| |
| WM Monarch Hill Landfill (Central Disposal, Mt. Trashmore) | Pompano Beach, FL, USA | |2020| |2017| |2012| |
| Liberty Tire Recycling, LLC | Port St. Lucie, FL, USA | |2012| |
| Safety-Kleen Systems, Inc. | Sanford, FL, USA | |2021| |2018| |
| Safety-Kleen Systems, Inc. | Tallahassee, FL, USA | |2023| |
| Veolia ES Technical Solutions (Onyx ES; Superior Special Services) | Tallahassee, FL, USA | |2023| |2020| |2019| |2017| |2014| |2011| |2006| |2003| |
| Creative Recycling Systems, Inc. (CRS I) | Tampa, FL, USA | |2013| |2010| |
| Gopher Resource (EnviroFocus Technologies; Gulf Coast Recycling) | Tampa, FL, USA | |2021| |2015| |
| Heritage-Crystal Clean (Tampa West Branch) | Tampa, FL, USA | |2021| |2018| |
| Sims Recycling Solutions (Global Investment Recovery ) | Tampa, FL, USA | |2013| |
| US Ecology Tampa (EQ Florida) | Tampa, FL, USA | |2021| |2018| |2016| |
| Jamson Environmental | Thonotosassa, FL, USA | |2004| |
| AERC Recycling Solutions (AERC.com, Inc.; Mercury Technologies International; MTI) | West Melbourne, FL, USA | |2023| |2018| |2014| |2012| |2010| |2009| |2006| |2003| |2002| |2000| |1997| |
| Industrial Container Services | Zellwood, FL, USA | |2022| |2018| |2014| |
| Dougherty County Sanitary Landfill | Albany, GA, USA | |2003| |
| Heritage-Crystal Clean | Atlanta, GA, USA | |2022| |2019| |
| Premier Surplus Inc. | Ball Ground, GA, USA | |2016| |
| WM Pine Bluff Landfill | Ball Ground, GA, USA | |2017| |2014| |2011| |2007| |
| Republic Services Richland Creek LF (Allied Waste; BFI) | Buford, GA, USA | |2006| |2003| |
| Gerdau Ameristeel | Cartersville, GA, USA | |2005| |
| PolyCom Industries, LLC (RS Industrial, Inc.) | Dalton, GA, USA | |2012| |
| Premier Surplus Inc. | Dawsonville, GA, USA | |2021| |
| MKC Enterprises | Doraville, GA, USA | |2007| |
| Wolf Creek Landfill | Dry Branch, GA, USA | |2009| |
| VLS Recovery Services LLC (Vopak Logistical Services USA) | Fitzgerald, GA, USA | |2023| |2020| |2017| |2012| |
| Republic Services Pine Ridge Landfill | Griffin, GA, USA | |2014| |2008| |
| WM Turkey Run LF | Hogansville, GA, USA | |2017| |
| WM R&B Landfill | Homer, GA, USA | |2007| |
| Soil Remediation Incorporated | Kingsland, GA, USA | |2012| |2007| |
| Stericycle | Lake City, GA, USA | |2021| |2018| |2015| |2011| |2004| |2002| |
| Advance Drum (Bernath Barrel & Drum) | Mableton, GA, USA | |2007| |
| Greenleaf Treatment Services (A&D Environmental Services; US Liquids) | Macon, GA, USA | |2009| |
| Safety-Kleen Systems, Inc. | Morrow, GA, USA | |2023| |
| Veolia ES Technical Solutions (Onyx Envrionmental Services; CWM) | Morrow, GA, USA | |2014| |2013| |2010| |2007| |2006| |2004| |2003| |2002| |2001| |1999| |
| Safety-Kleen Systems, Inc. | Norcross, GA, USA | |2023| |2019| |
| Aqua-Terra Recycling and Treatment | Oxford, GA, USA | |2014| |2009| |
| Universal Environmental Services | Peachtree City, GA, USA | |2021| |
| Soil Remediation Incorporated | Ray City, GA, USA | |2012| |2007| |
| Nexeo Solutions (Ashland Distribution Center) | Savannah, GA, USA | |2008| |
| Heritage-Crystal Clean | Thomasville, GA, USA | |2020| |
| Emerald Transformer Services (Clean Harbors; Safety-Kleen (PPM), Inc.) | Tucker, GA, USA | |2024| |2021| |2018| |2016| |2013| |2008| |2003| |
| Perma-Fix of South Georgia | Valdosta, GA, USA | |2012| |2006| |2003| |
| BCX Corporation | Waycross, GA, USA | |2003| |
| Hawaii Bio-Waste Systems, Inc. | Honolulu, HI, USA | |2011| |
| Unitek Solvent Services | Kapolei, HI, USA | |2017| |
| Waimanalo Gulch Sanitary Landfill | Kapolei, HI, USA | |2017| |
| Kekaha Landfill | Kekaha, HI, USA | |2017| |
| EnviroServices & Training Center, LLC | Pearl City, HI, USA | |2014| |2011| |
| Des Moines County Sanitary Landfill | Burlington, IA, USA | |2013| |
| Reworld (Covanta; Advanced Waste Services) | Cedar Rapids, IA, USA | |2024| |2019| |
| Enviromark Corporation | Davenport, IA, USA | |2021| |2013| |2009| |
| Quad City Drum | Davenport, IA, USA | |2005| |
| Safety-Kleen Systems, Inc | Davenport, IA, USA | |2021| |2018| |
| Scott Area Sanitary LF (Waste Commission of Scott County) | Davenport, IA, USA | |2022| |2017| |
| Heritage-Crystal Clean | Des Moines, IA, USA | |2022| |2019| |
| Safety-Kleen Systems, Inc. | Des Moines, IA, USA | |2023| |2020| |2017| |
| Ottumwa Wapello County Landfill | Ottumwa, IA, USA | |2020| |
| A-Line E.D.S. | Waterloo, IA, USA | |2022| |2018| |2014| |2011| |
| Gem State Oil Recovery (EcoLube Recovery) | Boise, ID, USA | |2024| |
| Tri-State Recycling Services, Inc. | Downey, ID, USA | |2011| |
| US Ecology Idaho, Inc. (Envirosafe Services of Idaho) | Grand View, ID, USA | |2024| |2022| |2021| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2007| |2004| |2001| |
| Qal-Tek | Idaho Falls, ID, USA | |2015| |
| Thermo Fluids, Inc. | Nampa, ID, USA | |2024| |
| Combined Resources Inc. (CRI of Illinois Inc.) | Addison, IL, USA | |2013| |
| Oil Filter Recyclers, Inc. | Astoria, IL, USA | |2023| |2019| |2005| |
| WM Settler's Hill Landfill | Batavia, IL, USA | |2005| |
| Heritage-Crystal Clean | Bloomington, IL, USA | |2023| |
| Illinois Recovery Group, Inc. | Braceville, IL, USA | |2018| |
| WM CID Recycling & Disposal (Waste Management, Inc.; AETS) | Calumet City, IL, USA | |2008| |2004| |2001| |
| Illini Environmental | Caseyville, IL, USA | |2023| |2018| |
| Hudson Technologies | Champaign, IL, USA | |2021| |2016| |2010| |2003| |
| CBSL Transportation Services | Chicago, IL, USA | |2018| |2013| |
| Clean Harbors | Chicago, IL, USA | |2012| |2011| |2008| |2006| |2005| |2004| |2003| |2001| |2000| |1998| |
| Clean Harbors (Safety-Kleen) | Chicago, IL, USA | |2023| |2021| |2018| |2013| |2007| |2004| |2002| |2000| |1997| |
| Liquid Environmental Solutions (Industrial Water Service; IWS) | Chicago, IL, USA | |2023| |2016| |2011| |2009| |2005| |
| Meyer Industrial Container (Industrial Container Services ) | Chicago, IL, USA | |2022| |2018| |
| Meyer Steel Drum (Industrial Container Services; ICS; Meyer Steel Drum) | Chicago, IL, USA | |2022| |2006| |
| National Container Group (NCG; National Container Services) | Chicago, IL, USA | |2017| |
| Quala Services, LLC (QualaWash) | Chicago, IL, USA | |2016| |
| SiPi Metals | Chicago, IL, USA | |2020| |2010| |2007| |2002| |
| Intercon Solutions | Chicago Heights, IL, USA | |2012| |
| Stericycle | Clinton, IL, USA | |2021| |2019| |2017| |2015| |2012| |2009| |2004| |
| Advanced Disposal Orchard Hills Landfill (Veolia Orchard Hills Landfill) | Davis Junction, IL, USA | |2017| |2011| |
| Bodine Environmental Services, Inc. | Decatur, IL, USA | |2006| |
| WM Dekalb County LF | DeKalb, IL, USA | |2020| |
| Safety-Kleen Systems, Inc. (Laidlaw) | Dolton, IL, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2003| |2002| |2001| |2000| |1998| |1996| |
| Water Integrated Treatment Systems | Dolton, IL, USA | |2022| |
| WM Tazewell County RDF | East Peoria, IL, USA | |2005| |
| WM Milam RDF | East Saint Louis, IL, USA | |2018| |2012| |2007| |
| WM North Milam RDF | East Saint Louis, IL, USA | |2024| |2018| |2015| |
| Republic Roxana Landfill | Edwardsville, IL, USA | |2021| |2016| |2012| |
| Heritage-Crystal Clean (Chicago North Branch) | Elgin, IL, USA | |2024| |2020| |
| Safety-Kleen Systems, Inc. | Elgin, IL, USA | |2023| |2016| |2012| |
| eWorks Electronics Services, Inc. | Elk Grove Village, IL, USA | |2020| |
| D.F.G. Mercury Corporation (D. F. Goldsmith Chemical & Metals) | Evanston, IL, USA | |2012| |
| Sims Recycling Solutions (United Recycling Industries; United Refining) | Franklin Park, IL, USA | |2022| |2019| |2016| |2012| |2003| |
| WM Countryside Landfill | Grayslake, IL, USA | |2024| |2019| |2014| |2010| |2005| |
| National Maintenance and Repair, Inc. (Gas Free Plant; McGinnis - National Maintenance) | Hartford, IL, USA | |2006| |
| US Ecology (EQ Illinois; Envirite) | Harvey, IL, USA | |2024| |2021| |2016| |2005| |
| Beaver Oil Company | Hodgkins, IL, USA | |2023| |2020| |2018| |2017| |2015| |2013| |2012| |2008| |2004| |2001| |
| Indian Creek Landfill No. 2 | Hopedale, IL, USA | |2011| |
| Fluorecycle | Ingleside, IL, USA | |2003| |
| WM Laraway RDF | Joliet, IL, USA | |2024| |2022| |2019| |2014| |2010| |
| Special Waste Disposal (SWD) | Kankakee, IL, USA | |2022| |
| Turn-Key Environmental Services | Kankakee, IL, USA | |2022| |
| Heritage Environmental Services | Lemont, IL, USA | |2003| |2001| |
| Future Environmental | Mokena, IL, USA | |2005| |
| Heritage-Crystal Clean | Monee, IL, USA | |2023| |2020| |
| RS Used Oil | Monee, IL, USA | |2009| |
| Republic Environtech Landfill (AWI) | Morris, IL, USA | |2015| |2012| |
| WM Prairie Hill RDF | Morrison, IL, USA | |2012| |2008| |
| Republic Services LandComp LF | Ottawa, IL, USA | |2016| |
| Clean Harbors (Safety-Kleen; Laidlaw) | Pecatonica, IL, USA | |2013| |2008| |2004| |2001| |1998| |
| Peoria Disposal Company (PDC) | Peoria, IL, USA | |2004| |2000| |
| Allied Waste Livingston Landfill | Pontiac, IL, USA | |2008| |
| Everlights, Inc. | Roselle, IL, USA | |2021| |
| Fortune Metal Midwest, LLC. | Sandwich, IL, USA | |2022| |
| Veolia ES Technical Solutions (Onyx Environmental Services; Trade Waste; TWI; CWM) | Sauget, IL, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2002| |2000| |1998| |1996| |
| WM Five Oaks RDF | Taylorville, IL, USA | |2018| |2013| |
| Safety-Kleen Systems, Inc. | Urbana, IL, USA | |2021| |2018| |2012| |
| Sims Lifecycle Solutions (United Recycling; United Refining; Electronics Group) | West Chicago, IL, USA | |2024| |2018| |2016| |2014| |2012| |2009| |2006| |2003| |
| WM Prairie View RDF | Wilmington, IL, USA | |2024| |2020| |2017| |2012| |2008| |
| Heritage-Crystal Clean (Chicago AF Branch) | Wood Dale, IL, USA | |2018| |
| Advanced Disposal Zion Landfill (Veolia ES Zion Landfill; Onyx Zion Landfill) | Zion, IL, USA | |2011| |2004| |
| Republic Services of Indiana (Hoosier Disposal and Transfer Station) | Bloomington, IN, USA | |2013| |
| Republic Services Newton County Landfill | Brook, IN, USA | |2019| |2013| |2008| |
| Rumpke - Bartholomew County | Columbus, IN, USA | |2005| |
| Reclaimed Energy Division | Connersville, IN, USA | |2020| |2005| |2002| |
| WM Twin Bridges RDF | Danville, IN, USA | |2024| |2019| |2016| |2012| |2008| |
| Industrial Container Services (Next Day Container) | Delphi, IN, USA | |2022| |
| Safety-Kleen Systems, Inc. | East Chicago, IN, USA | |2024| |2023| |2021| |2020| |2019| |2018| |2017| |2016| |2014| |2013| |2012| |2011| |2010| |2008| |2007| |2006| |2005| |2004| |2003| |2001| |2000| |1995| |
| Tradebe Treatment and Recycling, LLC (PCI; Pollution Control Industries) | East Chicago, IN, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2002| |2000| |
| Veolia ES Technical Solutions (Onyx Environmental Services) | East Chicago, IN, USA | |2015| |2011| |
| C&I Electronics | Evansville, IN, USA | |2020| |2017| |
| Heritage-Crystal Clean | Evansville, IN, USA | |2023| |2020| |
| O'Bryan Barrel Co., Inc. | Evansville, IN, USA | |2012| |
| Safety-Kleen Systems, Inc. | Evansville, IN, USA | |2023| |2004| |
| Chemical Waste Management | Fort Wayne, IN, USA | |1996| |
| Heritage-Crystal Clean | Fort Wayne, IN, USA | |2023| |
| Republic National Serv-All Landfill | Fort Wayne, IN, USA | |2022| |
| Beaver Oil | Gary, IN, USA | |2021| |2003| |
| Heritage-Crystal Clean | Gary, IN, USA | |2023| |2020| |
| Buzzi-Unicem USA (Lone Star Alternate Fuels; Greencastle WDF Facility) | Greencastle, IN, USA | |2024| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2012| |2011| |2008| |2006| |2004| |2000| |
| Lighting Resources, Inc. | Greenwood, IN, USA | |2023| |2018| |2016| |2006| |
| Safety-Kleen Systems, Inc. | Greenwood, IN, USA | |2021| |2018| |
| Eco Services Operations LLC (Solvay USA; Rhodia Inc.; Rhone-Poulenc; Dominguez Plant) | Hammond, IN, USA | |2022| |1999| |
| Gladieux Processing (Great Northern Processing) | Huntington, IN, USA | |2003| |
| CloudBlue Technologies, Inc. | Indianapolis, IN, USA | |2011| |
| Container Lifecycle Management LLC (Indianapolis Drum Service) | Indianapolis, IN, USA | |2017| |2005| |
| Eco-Bat Indiana, LLC (dba Quemetco, Inc.; Revere Smelting & Refining) | Indianapolis, IN, USA | |2018| |2013| |2005| |
| ESI Environmental, Inc. (Ecological Systems Inc.) | Indianapolis, IN, USA | |2010| |2007| |2005| |2004| |2001| |
| Heritage Environmental Services | Indianapolis, IN, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2012| |2011| |2010| |2009| |2008| |2007| |2005| |2004| |2003| |2001| |1999| |1995| |
| Heritage-Crystal Clean (Oil Refinery) | Indianapolis, IN, USA | |2023| |2022| |2020| |2018| |2015| |2012| |2008| |2004| |
| Heritage-Crystal Clean (10-day Branch) | Indianapolis, IN, USA | |2018| |
| Heritage-Crystal Clean (10-day Branch) | Indianapolis, IN, USA | |2023| |
| J. Solotken & Company, Inc. | Indianapolis, IN, USA | |2008| |
| Metalworking Lubricants | Indianapolis, IN, USA | |2018| |
| Reworld Indianapolis (Covanta; Ogden Martin) | Indianapolis, IN, USA | |2024| |2022| |2021| |2020| |2019| |2018| |2017| |2015| |2014| |2013| |2012| |2010| |2008| |2006| |2004| |
| Reworld Indianapolis Material Processing Facility (Covanta; Advanced Waste Services Of Indiana) | Indianapolis, IN, USA | |2023| |2021| |
| South Side Landfill | Indianapolis, IN, USA | |2015| |2012| |
| Stericycle-Expert Sustainability | Indianapolis, IN, USA | |2014| |2010| |
| Heidelberg Materials US Cement (Lehigh Cement; Essroc Cement) | Logansport, IN, USA | |2024| |2023| |2021| |2020| |2018| |2016| |2014| |2013| |2012| |2010| |2008| |2006| |2005| |2003| |2000| |
| WM Oak Ridge RDF | Logansport, IN, USA | |2016| |
| Safety Environmental Resources (SER Oil Services; InServ) | Mishawaka, IN, USA | |2005| |
| WM Liberty Landfill | Monticello, IN, USA | |2023| |2015| |2012| |
| Element Resources (Exide Technologies) | Muncie, IN, USA | |2019| |2013| |2005| |2001| |1998| |
| Shoremet LLC | Nabb, IN, USA | |2016| |
| Republic Sycamore Ridge Landfill | Pimento, IN, USA | |2005| |
| Electronic Recyclers International, Inc. (ERI) | Plainfield, IN, USA | |2022| |
| Reworld (Covanta; Advanced Waste Services; Future Environmental; Chem Works) | Portage, IN, USA | |2021| |2019| |2015| |2012| |
| Heritage Environmental Services (Heritage Roachdale Landfill) | Roachdale, IN, USA | |2023| |2021| |2020| |2018| |2016| |2015| |2013| |2012| |2011| |2010| |2008| |2005| |2003| |
| Safety-Kleen Systems, Inc. | South Bend, IN, USA | |2022| |2018| |
| Veolia ES Technical Solutions (Onyx Environmental Services; Shoreland Metals) | Valparaiso, IN, USA | |2007| |2003| |
| Veolia ES Blackfoot Landfill (Onyx Blackfoot Landfill, Inc.) | Winslow, IN, USA | |2007| |
| WM Prairie View RDF | Wyatt, IN, USA | |2023| |2018| |2012| |
| Ash Grove Cement | Chanute, KS, USA | |2024| |2022| |2019| |2017| |2016| |2014| |2011| |2007| |2004| |2000| |
| Republic Resource Recovery Landfill | Cherryvale, KS, USA | |2022| |2013| |2009| |
| Emerald Transformer PPM (Clean Harbors; APTUS; Safety-Kleen) | Coffeyville, KS, USA | |2022| |2019| |2018| |2016| |2015| |2014| |2011| |2010| |2008| |2006| |2004| |2003| |2000| |1997| |
| Safety-Kleen Systems, Inc. | Dodge City, KS, USA | |2002| |
| Safety-Kleen Systems, Inc. | Dodge City, KS, USA | |2024| |2018| |
| Systech Environmental Corporation (Lafarge) | Fredonia, KS, USA | |2024| |2023| |2022| |2021| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2002| |2001| |2000| |1998| |
| EMI (Environmental Management of KC, Inc.) | Kansas City, KS, USA | |2024| |2003| |
| Heritage-Crystal Clean (Kansas City Hub) | Kansas City, KS, USA | |2020| |
| Stericycle | Kansas City, KS, USA | |2023| |2020| |2017| |2015| |2014| |2012| |2011| |2009| |
| Hamm Sanitary Landfill | Lawrence, KS, USA | |2024| |2013| |
| Seward County Landfill | Liberal, KS, USA | |2011| |
| Iron Mountain (ITRenew) | Olathe, KS, USA | |2023| |
| WM Johnson County Landfill | Shawnee, KS, USA | |2024| |
| Sunbelt Solomon Services | Solomon, KS, USA | |2024| |2022| |2019| |2015| |2011| |2006| |2004| |
| WM Rolling Meadows Landfill | Topeka, KS, USA | |2022| |2016| |2013| |
| Clean Harbors (Safety-Kleen; USPCI; Laidlaw; Rollins) | Wichita, KS, USA | |2018| |2015| |2001| |1997| |
| Clean Harbors (Wichita Wastewater Treatment Facility) | Wichita, KS, USA | |2019| |
| Clean Harbors (Wichita Oil Refinery) | Wichita, KS, USA | |2019| |
| Safety-Kleen Systems, Inc. (Irving Street location) | Wichita, KS, USA | |2021| |2018| |
| Stericycle | Beaver Dam, KY, USA | |2022| |2016| |2013| |2009| |
| Heritage-Crystal Clean | Brooks, KY, USA | |2021| |
| AES Asset Acquisition Corporation (dba Clean Earth of Calvert City; American Environmental Services) | Calvert City, KY, USA | |2024| |2023| |2020| |2019| |2018| |2016| |2013| |2010| |2007| |
| General Environmental Services [RCRA Incinerator] (LWD) | Calvert City, KY, USA | |2003| |2002| |2000| |1998| |1996| |
| General Environmental Services [RCRA S/S Landfill Facility] (LWD) | Calvert City, KY, USA | |2002| |2000| |1998| |
| Calgon Carbon Corporation (Big Sandy Plant) | Catlettsburg, KY, USA | |2023| |2022| |2020| |2018| |2016| |2015| |2014| |2012| |2011| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2000| |1999| |1997| |
| Universal Environmental Services (Universal Oil Co.) | Florence, KY, USA | |2015| |
| Rumpke Mt. Sterling Landfill | Jeffersonville, KY, USA | |2006| |
| Mid-America Fuels (McGinnis; National Maintenance) | Ledbetter, KY, USA | |2006| |
| Safety-Kleen Systems, Inc. | Lexington, KY, USA | |2022| |2019| |2012| |
| Affordable Waste Management | Louisville, KY, USA | |2007| |
| Mauser Packaging Solutions (Industrial Container Services; Allied Drum) | Louisville, KY, USA | |2024| |2020| |2016| |2011| |
| Parallel Products of Kentucky | Louisville, KY, USA | |2022| |2018| |2005| |
| Safety Kleen Louisville Branch | Louisville, KY, USA | |2005| |
| Veolia ES Technical Solutions (Onyx Environmental Services) | Louisville, KY, USA | |2015| |2011| |
| WM Outer Loop RDF | Louisville, KY, USA | |2022| |2016| |2012| |2007| |2004| |
| Jones Sanitation West Kentucky Landfill (Freedom Waste Services; WM) | Mayfield, KY, USA | |2007| |
| WM Southern Waste Services (Southern Sanitation) | Russellville, KY, USA | |2011| |2007| |
| Safety-Kleen Systems, Inc. (Smithfield Recycle Center) | Smithfield, KY, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2011| |2010| |2009| |2007| |2005| |2004| |2003| |2001| |2000| |1998| |1996| |
| Republic Services Valley View Landfill | Sulphur, KY, USA | |2007| |
| Daniels Sharpsmart, Inc | Walton, KY, USA | |2015| |
| Bodin Oil | Abbeville, LA, USA | |2014| |2004| |
| Coastal Chemical (Brenntag) | Abbeville, LA, USA | |2007| |
| EcoServ (Newpark Environmental Services; Intracoastal City Transfer Station) | Abbeville, LA, USA | |2002| |
| LA Filter Recycling | Abbeville, LA, USA | |2020| |2012| |
| LaRose Scrap & Salvage Intracoastal City | Abbeville, LA, USA | |2012| |2006| |
| Trussco (Intracoastal City ICY; NORM Facility) | Abbeville, LA, USA | |2022| |2018| |2012| |2004| |
| EMR Southern Recycling | Amelia, LA, USA | |2024| |
| Jefferson Parish Sanitary Landfill | Avondale, LA, USA | |2014| |2010| |2006| |
| River Birch, LLC (River Birch Landfill) | Avondale, LA, USA | |2024| |2020| |2015| |2011| |2008| |2004| |
| Clean Harbors (Safety-Kleen; Laidlaw; Rollins) | Baton Rouge, LA, USA | |2023| |2021| |2020| |2019| |2018| |2016| |2015| |2012| |2011| |2009| |2006| |2004| |2001| |1999| |1995| |
| Eco Services Operations LLC (Solvay USA; Rhodia Inc.; Rhone-Poulenc; Dominguez Plant) | Baton Rouge, LA, USA | |2023| |2021| |2019| |2016| |2013| |2011| |2010| |2006| |2003| |2000| |1998| |
| Exide Technologies (Schuykill Chemical) | Baton Rouge, LA, USA | |2004| |2002| |2000| |
| Gator Environmental Services | Baton Rouge, LA, USA | |2018| |
| Philip Environmental Services (PSC Allwaste Container) | Baton Rouge, LA, USA | |2002| |
| Southern Recycling (Scenic Highway Site) | Baton Rouge, LA, USA | |2022| |2016| |2004| |
| Aaron Oil Company, Inc. | Berwick, LA, USA | |2021| |2014| |2010| |2006| |
| Heritage-Crystal Clean | Bossier City, LA, USA | |2022| |2019| |
| R360 Environmental Solutions (US Liquids; Campbell Wells) | Bourg, LA, USA | |2022| |2001| |
| CRI-MET (Amax Metals Recovery) | Braithwaite, LA, USA | |1998| |
| EcoServ (Newpark Environmental Services) | Cameron, LA, USA | |2018| |
| Environmental Treatment Team | Cameron, LA, USA | |2005| |
| Clean Harbors (Safety-Kleen) | Colfax, LA, USA | |2023| |2021| |2020| |2018| |2016| |2015| |2013| |2011| |2008| |
| CS Metals of Louisiana, LLC | Convent, LA, USA | |2002| |2000| |
| Heritage-Crystal Clean | Denham Springs, LA, USA | |2021| |2016| |
| Recycle, Inc. | DeQuincy, LA, USA | |2000| |
| R360 Environmental Solutions of LA (US Liquids of LA, ERP Environmental Services, Campbell Wells) | Elm Grove, LA, USA | |2022| |2014| |2012| |2009| |2005| |1999| |
| Hydrochem PSC | Gibson, LA, USA | |2021| |2016| |2013| |2011| |2008| |
| Industrial Scrap Metals, LLC | Golden Meadow, LA, USA | |2021| |
| LEI, Inc. (Lamp Environmental Industries; Lamp Recyclers of LA, Inc.) | Hammond, LA, USA | |2023| |2022| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2012| |2010| |2008| |2006| |2005| |2004| |2002| |1999| |
| Aaron Oil New Orleans | Harvey, LA, USA | |2008| |
| American Recovery, LLC | Houma, LA, USA | |2022| |
| Southern Recycling (Southern Scrap) | Houma, LA, USA | |2020| |2012| |
| Lamp Environmental Industries, Inc (LEI, Inc) | Independence, LA, USA | |2022| |2018| |2014| |
| Hydrochem PSC (Philip Services Corporation; PSC Industrial Outsourcing, Inc.) | Jeanerette, LA, USA | |2021| |2018| |2012| |2008| |2002| |
| R360 Mermentau Processing Facility (US Liquids of LA; ERP Environmental Services; Campbell Wells) | Jennings, LA, USA | |2023| |2019| |2008| |2006| |2000| |
| Safety-Kleen Systems, Inc. | Kenner, LA, USA | |2023| |2020| |2016| |2007| |
| Evonik (Catalyst Recovery of Louisiana; CRLA; Porocel) | Lafayette, LA, USA | |2024| |2022| |2019| |2017| |2014| |2013| |2011| |2009| |2008| |2005| |2002| |1999| |1997| |
| WM Reliable Landfill (Livonia Landfill) | Livonia, LA, USA | |2024| |2020| |
| Vertex Energy (H&H Oil) | Marrero, LA, USA | |2021| |2017| |
| Webster Parish LF | Minden, LA, USA | |2018| |2013| |
| WCI White Oaks Landfill (Consolidated Waste Ind White Oaks LF) | Monroe, LA, USA | |2013| |
| WM Magnolia Disposal Facility (Waste Management, Inc.; Magnolia Sanitary Landfill) | Monroe, LA, USA | |2024| |2018| |2008| |2003| |
| EcoServ (Newpark Environmental Services) | Morgan City, LA, USA | |2012| |2002| |
| Environmental Treatment Team | Morgan City, LA, USA | |2002| |
| Major Equipment and Remediation | Morgan City, LA, USA | |2018| |2013| |2006| |
| Philip Environmental Services (PSC Industrial Outsourcing, Inc.) | Morgan City, LA, USA | |2002| |
| R360 Bateman Island (US Liquids of Louisiana; Campbell Wells) | Morgan City, LA, USA | |2017| |2012| |1999| |
| Heritage-Crystal Clean (FCC Environmental; Siemens Water; International Petroleum Corporation; IPC) | New Orleans, LA, USA | |2020| |2016| |2013| |2010| |2007| |2000| |1995| |
| HPC Industrial (Hydrochem PSC; Philip Services; MOTIVA) | Norco, LA, USA | |2023| |
| Waste Connections Timberlane Landfill | Oakdale, LA, USA | |2023| |2013| |
| Heritage-Crystal Clean (FCC Environmental; HRSI; Siemens; Hydrocarbon Recovery Service, USFilter) | Opelousas, LA, USA | |2021| |2018| |2012| |2008| |2004| |
| Omega Waste Management | Patterson, LA, USA | |2021| |2014| |2012| |2009| |2006| |2001| |
| FAS Environmental Services | Pierre Part, LA, USA | |2018| |
| Safety-Kleen Systems, Inc. | Pineville, LA, USA | |2022| |2006| |
| Amlon Port Allen (Thermaldyne) | Port Allen, LA, USA | |2024| |2020| |
| FCC Environmental (Hydrocarbon Recovery Services, Inc.; Siemens; USFilter) | Port Allen, LA, USA | |2012| |
| Southern Packaging, Inc | Port Allen, LA, USA | |2022| |2016| |
| Southern Recycling, LLC (SSX; Southern Scrap) | Port Allen, LA, USA | |2022| |2013| |2011| |2004| |
| EcoServ (Newpark Environmental Services; Port Fourchon #1 & #2) | Port Fourchon, LA, USA | |2014| |2010| |2008| |2002| |
| Ecoserv (Fourchon #2 (Superdock) Waste Collection and Dockside Cleaning) | Port Fourchon, LA, USA | |2021| |
| R360 Port Fourchon Transfer Station (US Liquids of Louisiana) | Port Fourchon, LA, USA | |2020| |2012| |
| RCS, Inc. (Port Fourchon Dockside Service Center; CCS Midstream Services) | Port Fourchon, LA, USA | |2008| |
| GMA Garnet (Garnet Recycling) | Reserve, LA, USA | |2016| |
| Stericycle | Reserve, LA, USA | |2022| |2019| |2013| |2009| |
| Heritage-Crystal Clean | Shreveport, LA, USA | |2021| |2018| |
| Republic Services Colonial Landfill (BFI Colonial Landfill) | Sorrento, LA, USA | |2024| |2019| |2017| |2015| |2012| |2010| |2004| |2002| |1999| |
| Ohmstede Ltd. | St. Gabriel, LA, USA | |2020| |
| Chemical Waste Management (Carlyss; CWM Lake Charles) | Sulphur, LA, USA | |2024| |2023| |2021| |2020| |2019| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2002| |2001| |1999| |1995| |
| Krause & Managan C&D Landfill | Sulphur, LA, USA | |2018| |
| Pro Clean Tank Wash and Water Treatment, LLC (Wastewater Specialties, LLC) | Sulphur, LA, USA | |2017| |
| EcoServ (Newpark Environmental Services) | Venice, LA, USA | |2015| |2013| |2011| |2002| |
| Environmental Operators | Venice, LA, USA | |2002| |
| WM Woodside Landfill (Waste Management, Inc.) | Walker, LA, USA | |2022| |2019| |2017| |2015| |2013| |2011| |2008| |2007| |2005| |2001| |1998| |
| Republic Services Jefferson Davis Landfill (BFI Jefferson Davis Landfill) | Welsh, LA, USA | |2019| |2016| |2015| |2014| |2011| |2007| |2004| |2000| |
| Clean Harbors (Safety-Kleen Corporation) | White Castle, LA, USA | |2024| |2022| |2019| |2018| |2014| |2010| |2007| |2001| |
| Sabine Parish Landfill (Natchitoches Landfill) | Zwolle, LA, USA | |2007| |
| Metalwave, Inc. | Amesbury, MA, USA | |2015| |
| NewStream LLC | Attleboro, MA, USA | |2012| |
| Clean Harbors | Braintree, MA, USA | |2024| |2023| |2021| |2020| |2018| |2016| |2015| |2013| |2011| |2009| |2007| |2006| |2005| |2003| |2002| |2001| |1999| |1998| |
| Complete Recycling Solutions | Fall River, MA, USA | |2024| |2021| |2017| |2013| |
| Republic Fall River LF (Allied Waste; BFI; Northern Disposal) | Fall River, MA, USA | |2011| |2007| |
| General Chemical Clean Venture | Framingham, MA, USA | |2005| |
| Reworld Haverhill, Inc. (Covanta) | Haverhill, MA, USA | |2021| |2016| |2012| |
| Electronic Recyclers International, Inc. (ERI) | Holliston, MA, USA | |2022| |
| Triumvirate Environmental (Merrimack; Jones Environmental; Envirosafe) | Lowell, MA, USA | |2024| |2021| |2017| |2012| |2005| |
| Safety-Kleen Systems, Inc. | Marlborough, MA, USA | |2020| |
| Safety-Kleen Systems, Inc. (Laidlaw) | North Andover, MA, USA | |2001| |
| Environmental Integrity Company LLC | South Hadley, MA, USA | |2019| |
| Aggregate Industries | Stoughton, MA, USA | |2011| |
| Cyn Environmental Services | Stoughton, MA, USA | |2021| |2019| |2007| |1999| |
| Tradebe Treatment & Recycling (Environmental Compliance Corp.; United Oil Recovery) | Stoughton, MA, USA | |2019| |2015| |2006| |2004| |
| Veolia ES Technical Solutions (Onyx ES; Superior Special Services) | Stoughton, MA, USA | |2013| |2012| |2011| |2010| |2009| |2007| |2006| |2005| |2004| |2003| |2002| |2001| |1999| |
| Veolia ES Technical Solutions | West Bridgewater, MA, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2015| |2014| |
| Safety-Kleen Systems, Inc. | West Brookfield, MA, USA | |2021| |
| Reworld SEMASS Facility (Covanta) | West Wareham, MA, USA | |2016| |
| WM RCI Fitchburg/Westminster Landfill | Westminster, MA, USA | |2018| |
| Murphy`s Waste Oil Service | Woburn, MA, USA | |2022| |2019| |2005| |
| Clean Harbors | Baltimore, MD, USA | |2024| |2023| |2021| |2020| |2018| |2017| |2016| |2015| |2013| |2012| |2010| |2009| |2008| |2007| |2006| |2005| |2003| |2001| |1999| |1996| |
| Curtis Bay Medical Waste Services (Phoenix Services; Enviromed; Baltimore Regional Medical Waste Incinerator) | Baltimore, MD, USA | |2022| |2019| |2017| |2015| |2014| |2012| |2009| |2006| |2003| |
| Ecology Services Inc. | Baltimore, MD, USA | |2017| |2014| |
| Heritage-Crystal Clean (FCC Environmental; FCC Hydrocarbon Recovery Services, International Oil Service) | Baltimore, MD, USA | |2022| |2019| |2010| |
| Mauser Packaging Solutions (Industrial Container Services; Abbey Drum Co.) | Baltimore, MD, USA | |2024| |2011| |2007| |
| Petroleum Management, Inc. | Baltimore, MD, USA | |2023| |2018| |
| Safety-Kleen Corporation | Baltimore, MD, USA | |2023| |
| Stericycle, Inc. | Baltimore, MD, USA | |2023| |2011| |
| TPST Soil Recyclers | Baltimore, MD, USA | |2001| |
| Triumvirate Environmental (Perma-Fix; A&A Environmental Services) | Baltimore, MD, USA | |2024| |2018| |2013| |2011| |
| Wheelabrator Technologies (BRESCO; Baltimore Refuse Energy Systems Company) | Baltimore, MD, USA | |2015| |
| Soil Safe, Inc. | Brandywine, MD, USA | |2012| |
| Clean Earth of Maryland, LLC | Hagerstown, MD, USA | |2023| |2020| |2017| |2015| |2012| |2009| |2005| |
| INERTCO (DMC Electronics) | Hagerstown, MD, USA | |2002| |
| Clean Harbors (Safety-Kleen) | Laurel, MD, USA | |2007| |2002| |1999| |
| Clean Earth of Greater Washington LLC | Upper Marlboro, MD, USA | |2015| |
| Soil Safe, Inc. | Upper Marlboro, MD, USA | |2022| |
| Valicor Environmental Services (Spirit Services; Wastewater Facility) | Williamsport, MD, USA | |2024| |2019| |2007| |
| WM Crossroads Landfill | Norridgewock, ME, USA | |2024| |2019| |2005| |
| Clean Harbors | South Portland, ME, USA | |2023| |2022| |2019| |2016| |2015| |2012| |2008| |2005| |2002| |
| Lafarge Midwest (Alpena Cement Plant; Systech) | Alpena, MI, USA | |2017| |
| Oakland Heights Development Landfill (Wayne Disposal-Oakland, Inc.) | Auburn Hills, MI, USA | |2013| |
| Omni-Source | Bay City, MI, USA | |2007| |
| US Ecology Michigan (EQ; Wayne Disposal Inc.; Michigan Disposal Waste Treatment Plant) | Belleville, MI, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2005| |2004| |2003| |2001| |1999| |1995| |
| WM Peoples Landfill | Birch Run, MI, USA | |2017| |2007| |
| RBS Metals, LLC (Recupyl Battery Solutions; Battery Solutions Inc.) | Brighton, MI, USA | |2015| |2004| |
| Perma-Fix of Michigan (Chem-Met Services) | Brownstown, MI, USA | |2002| |1999| |1995| |
| Sauk Trail Hills (Allied Waste Systems) | Canton, MI, USA | |2003| |
| EnviroSolids LLC | Dearborn, MI, USA | |2012| |
| Cyanokem (Cyano Corporation) | Detroit, MI, USA | |1995| |
| Petro-Chem (Clean Earth Environmental Solutions) | Detroit, MI, USA | |2022| |2019| |2016| |2013| |2010| |2007| |2003| |2001| |2000| |1998| |
| US Ecology Detroit North (Dynecol) | Detroit, MI, USA | |2023| |2020| |2017| |2015| |2014| |2011| |2008| |2002| |1999| |
| US Ecology Detroit South (EQ Detroit; US Liquids of Detroit) | Detroit, MI, USA | |2024| |2023| |2022| |2021| |2020| |2018| |2017| |2016| |2014| |2013| |2011| |2010| |2008| |2007| |2002| |
| Usher Oil Service | Detroit, MI, USA | |2019| |2011| |2003| |
| ReCellular | Dexter, MI, USA | |2005| |
| Republic Vienna Junction Landfill (Allied Waste) | Erie, MI, USA | |2020| |2013| |2009| |2005| |
| Delta Solid Waste Management Authority (Delta County Landfill) | Escanaba, MI, USA | |2018| |
| Dynex Industries | Farmington Hills, MI, USA | |2004| |
| Gage Products | Ferndale, MI, USA | |2016| |2007| |
| City Environmental Services Landfill (CESW; Waters Landfill) | Frederic, MI, USA | |2017| |2013| |
| Heritage-Crystal Clean (Saginaw Branch) | Freeland, MI, USA | |2021| |2018| |
| Mauser Packaging Solutions (Industrial Container Services; Belfer Drum) | Grand Rapids, MI, USA | |2022| |2018| |2012| |2006| |
| Safety-Kleen Systems, Inc. | Grand Rapids, MI, USA | |2022| |2018| |
| WM Northern Oaks RDF | Harrison, MI, USA | |2017| |2007| |
| Liquid Industrial By-Products (Liquid Industrial Waste Service) | Holland, MI, USA | |2023| |2020| |
| Battery Solutions, Inc. | Howell, MI, USA | |2015| |
| Valicor Environmental Services (Advanced Resource Recovery) | Inkster, MI, USA | |2021| |2016| |2013| |2008| |2004| |
| WM McGill Road Landfill | Jackson, MI, USA | |2007| |
| Northern A-1 Services | Kalkaska, MI, USA | |2020| |2016| |2013| |
| WM Venice Park Landfill | Lennon, MI, USA | |2018| |2007| |
| US Industrial Technologies, Inc. | Livonia, MI, USA | |2018| |
| Republic Harland Sanitary LF (Manistee County Landfill; Shoreline Waste Services) | Manistee, MI, USA | |2017| |2007| |
| WM Glen's Landfill | Maple City, MI, USA | |2007| |
| Cleanlites Recycling, Inc. (USA Lamp & Ballast Recycling, Inc.) | Mason, MI, USA | |2019| |2013| |2010| |2003| |
| Safety-Kleen Systems, Inc. | Mason, MI, USA | |2022| |2018| |
| City of Midland Sanitary Landfill | Midland, MI, USA | |2022| |2017| |
| Republic Carleton Farms Landfill | New Boston, MI, USA | |2004| |
| GFL Arbor Hills LF (Onyx; Veolia; Advanced Disposal) | Northville, MI, USA | |2021| |2016| |2013| |2010| |2005| |
| Republic Whitefeather Landfill | Pinconning, MI, USA | |2022| |
| DLD Environmental Services, Inc. (Drug and Laboratory Disposal) | Plainwell, MI, USA | |2023| |2006| |
| Alloy Exchange | Rockford, MI, USA | |2016| |
| Chemical Analytics | Romulus, MI, USA | |2011| |2002| |
| EQ Resource Recovery (Michigan Recovery Systems, Inc.) | Romulus, MI, USA | |2005| |2003| |2002| |2001| |1999| |
| Heritage-Crystal Clean (Detroit Branch) | Romulus, MI, USA | |2021| |2018| |
| Safety-Kleen Systems, Inc. | Romulus, MI, USA | |2022| |2018| |2011| |2007| |
| Wayne Disposal Rail Transfer Facility | Romulus, MI, USA | |2013| |
| Safety-Kleen Systems, Inc. | Saginaw, MI, USA | |2022| |2018| |
| WM Westside Landfill | Three Rivers, MI, USA | |2019| |2013| |2003| |
| Heritage-Crystal Clean | Walker, MI, USA | |2020| |
| WM Woodland Meadows RDF | Wayne, MI, USA | |2024| |2018| |2013| |2007| |2002| |
| Cirba Solutions (Battery Solutions, Inc.) | Wixom, MI, USA | |2022| |2021| |2019| |
| WM Autumn Hills Landfill | Zeeland, MI, USA | |2018| |
| Pope-Douglas Solid Waste Management | Alexandria, MN, USA | |2019| |
| OSI Environmental Inc. | Anoka, MN, USA | |2023| |2016| |
| SKB Environmental Lansing LF | Austin, MN, USA | |2013| |
| Vonco II, LLC (Vonco Waste Management Campus) | Becker, MN, USA | |2022| |2013| |
| Clean Earth Specialty Waste Solutions (Special Waste Disposal; Stericycle Specialty Waste) | Blaine, MN, USA | |2005| |
| Green Lights Recycling | Blaine, MN, USA | |2003| |
| Safety-Kleen Systems, Inc. | Blaine, MN, USA | |2024| |2020| |
| Veolia ES Technical Solutions | Blaine, MN, USA | |2024| |
| Veolia ES Technical Solutions (Onyx ES; Superior Special Services; Recyclights) | Bloomington, MN, USA | |1999| |1998| |
| Advanced Disposal Rolling Hills LF (Onyx FCR Landfill; Veolia ES Solid Waste) | Buffalo, MN, USA | |2013| |2007| |
| Clean Harbors | Cannon Falls, MN, USA | |2006| |
| Mauser Packaging Solutions (Industrial Container Services; Twin City Container) | Cannon Falls, MN, USA | |2021| |
| Gopher Resource Corp | Eagan, MN, USA | |2021| |2017| |2015| |2013| |2010| |2005| |
| Safety-Kleen Systems, Inc. | Eagan, MN, USA | |2022| |2019| |
| Stericycle | Eagan, MN, USA | |2024| |2019| |
| WM Elk River Landfill | Elk River, MN, USA | |2018| |2013| |
| OSI Environmental, Inc. | Eveleth, MN, USA | |2015| |2007| |
| Amazon Environmental Inc (Amazon Paint, Amazon) | Fridley, MN, USA | |2019| |
| Vonco V (Engineers Realty Demolition Landfill Vonco 5) | Gary-New Duluth, MN, USA | |2016| |
| WM Spruce Ridge RMF | Glencoe, MN, USA | |2018| |2015| |
| Mauser Packaging Solutions (Industrial Container Services; Twin City Container) | Hastings, MN, USA | |2022| |
| Retrofit Environmental | Little Canada, MN, USA | |2022| |
| Consolidated Container Company | Minneapolis, MN, USA | |2021| |2014| |
| LJP Enterprises, Inc. | North Mankato, MN, USA | |2019| |
| Enviro-Chem, Inc. | Rogers, MN, USA | |2020| |2011| |
| SKB Environmental, Inc. (Rosemount Industrial Waste Facility) | Rosemount, MN, USA | |2022| |2019| |2010| |2006| |
| Evoqua Water Technologies, LLC (Siemens Water Technologies Corp; US Filter Recovery Service) | Roseville, MN, USA | |2023| |2022| |2019| |2017| |2014| |2013| |2010| |2006| |2004| |2000| |
| Waste Management LampTracker (Mercury Waste Solutions, Inc) | Roseville, MN, USA | |2009| |2006| |
| Heritage-Crystal Clean | St. Paul, MN, USA | |2023| |2020| |
| Buick Resource Recycling Division (BRRD) | Boss, MO, USA | |2021| |2018| |2016| |2013| |2010| |2008| |2006| |2003| |
| Buzzi-Unicem USA (Cape Girardeau Alternate Fuels, Lone Star Industries, Inc.) | Cape Girardeau, MO, USA | |2024| |2023| |2021| |2019| |2018| |2017| |2014| |2012| |2010| |2007| |2004| |2000| |
| Safety-Kleen Systems, Inc. | Cape Girardeau, MO, USA | |2023| |
| EBV Explosives Environmental Company (General Dynamics-OTS Munition Services; GD-OTS MS) | Carthage, MO, USA | |2024| |2021| |2018| |2012| |
| Energis (Safety-Kleen; Laidlaw; Holcim) | Clarksville, MO, USA | |2007| |2005| |2004| |2003| |2001| |1998| |
| Safety-Kleen Systems, Inc. | Columbia, MO, USA | |2022| |2018| |
| Element Resources (Exide Technologies) | Forest City, MO, USA | |2005| |
| Green America Recycling (GAR; Continental Cement; MFR Inc.) | Hannibal, MO, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2003| |2002| |2000| |1999| |1995| |
| Safety-Kleen Systems, Inc. | Independence, MO, USA | |2021| |2018| |
| Waste Management LampTracker Inc. | Kaiser, MO, USA | |2011| |
| Heritage Environmental Services | Kansas City, MO, USA | |2024| |2021| |2015| |2012| |2004| |2001| |
| Solvent Recovery Corporation (Stericycle Environmental Solutions; PSC) | Kansas City, MO, USA | |2019| |2013| |2002| |
| Veolia ES Technical Solutions (Trioxy) | Louisiana, MO, USA | |2020| |
| Catalytic Innovations, LLC (LEMetrix Solutions, LLC) | Rolla, MO, USA | |2012| |2006| |
| Safety-Kleen Systems, Inc. | Springfield, MO, USA | |2021| |2018| |
| Safety-Kleen Systems, Inc. | St. Charles, MO, USA | |2021| |2018| |
| Drumtech Inc. | St. Louis, MO, USA | |2005| |
| Stericycle Inc. | St. Louis, MO, USA | |2013| |
| TRI-Rinse, Inc. | St. Louis, MO, USA | |2024| |2022| |2019| |2016| |2012| |2008| |
| Valicor Environmental Services, LLC (United Wastewater) | St. Louis, MO, USA | |2024| |
| Republic Courtney Ridge Landfill (Allied Waste; BFI) | Sugar Creek, MO, USA | |2021| |2016| |2013| |2009| |
| Geocycle (Energis; Holcim; Holnam; Safety-Kleen) | Artesia, MS, USA | |2024| |2021| |2020| |2019| |2017| |2014| |2010| |2008| |2007| |2006| |2005| |2004| |2003| |
| 4-Way Electric | Greenwood, MS, USA | |2006| |
| Safety-Kleen Systems, Inc. | Jackson, MS, USA | |2022| |
| WM Chambers Clearview Environmental Landfill | Lake, MS, USA | |2023| |2018| |2007| |
| Republic Services Big River Landfill (BFI Waste Systems, Allied Waste) | Leland, MS, USA | |2018| |2009| |
| WM Pine Ridge Landfill | Meridian, MS, USA | |2018| |
| MacLand Disposal Center, Inc. | Moss Point, MS, USA | |2014| |2009| |
| WM Pecan Grove Sanitary LF & Recycling Center | Pass Christian, MS, USA | |2020| |2013| |2011| |2006| |
| Republic Little Dixie Landfill | Ridgeland, MS, USA | |2023| |2017| |2008| |
| WM Tunica Landfill (Waste Management, Inc.) | Robinsonville, MS, USA | |2019| |2015| |2010| |2007| |2004| |
| Metals Management, Inc. | Sherman, MS, USA | |2006| |
| WM Plantation Oaks LF | Sibley, MS, USA | |2012| |
| Billings Regional Landfill | Billings, MT, USA | |2022| |2012| |
| Republic High Plains Landfill (MT Waste Systems Inc.) | Floweree, MT, USA | |2021| |
| Lambert Saltwater Disposal, Inc. (Indian Mounds Ranch SWD) | Lambert, MT, USA | |2011| |
| Buckhorn Energy Services Oaks Disposal Services | Lindsay, MT, USA | |2021| |2017| |
| Republic Missoula Landfill (AW Systems of Montana; Allied Waste) | Missoula, MT, USA | |2017| |2011| |
| A&D Environmental Services, Inc. | Archdale, NC, USA | |2018| |2014| |2010| |2006| |
| Safety-Kleen Systems, Inc. | Archdale, NC, USA | |2023| |2013| |
| Reworld (Covanta; GARCO) | Asheboro, NC, USA | |2022| |2019| |
| Electronic Recyclers International, Inc. (ERI) | Badin, NC, USA | |2022| |
| Shamrock Environmental Corp. | Browns Summit, NC, USA | |2024| |2021| |2017| |2015| |2012| |2006| |
| DART Acquisitions, LLC | Charlotte, NC, USA | |2019| |
| Express Container Service, Inc. | Charlotte, NC, USA | |2010| |
| Gerdau Ameristeel | Charlotte, NC, USA | |2005| |
| Haz-Mat Environmental | Charlotte, NC, USA | |2019| |2012| |
| Heritage Environmental Services | Charlotte, NC, USA | |2003| |2001| |
| Mauser Packaging Solutions (Industrial Container Services; IFCO Systems; Pal Ex Container Systems) | Charlotte, NC, USA | |2022| |2016| |
| Mauser Packaging Solutions (National Container Group) | Charlotte, NC, USA | |2023| |2019| |
| Nexeo Solutions (Ashland Distribution Company) | Charlotte, NC, USA | |2009| |2003| |
| Philip Services Specialty Businesses | Charlotte, NC, USA | |2004| |
| Quala Services, LLC (QualaWash) | Charlotte, NC, USA | |2016| |
| Safety-Kleen Systems, Inc. (Charlotte Oil Terminal; First Recovery) | Charlotte, NC, USA | |2023| |2013| |
| Safety-Kleen Systems, Inc. | Charlotte, NC, USA | |2022| |2012| |
| Heritage-Crystal Clean (FCC Environmental; HRSI; Hydrocarbon Recovery Services; USFilter) | Concord, NC, USA | |2021| |2018| |2015| |2008| |
| Republic Charlotte Motor Speedway LF | Concord, NC, USA | |2017| |2011| |2007| |2004| |
| Metech International | Creedmoor, NC, USA | |2014| |
| Veolia ES Technical Solutions (Onyx ES; WM; AETS) | Creedmoor, NC, USA | |2023| |2022| |2020| |2017| |2016| |2014| |2011| |2008| |2007| |2005| |2003| |2000| |1997| |
| ECOFLO, Inc. | Greensboro, NC, USA | |2024| |2022| |2017| |2012| |2008| |2006| |2005| |2003| |2001| |1998| |
| Shamrock Environmental Corp. (Four Seasons Environmental) | Greensboro, NC, USA | |2019| |2012| |1999| |
| Metallix Refining Inc. | Greenville, NC, USA | |2023| |2019| |2014| |2010| |
| Stericycle | Haw River, NC, USA | |2022| |2021| |2019| |2017| |2014| |2011| |2009| |2007| |2001| |
| Cardinal Container Service | Lexington, NC, USA | |2010| |
| BMWNC Inc. | Matthews, NC, USA | |2010| |2004| |
| Industrial Container Services (East Coast Container) | Matthews, NC, USA | |2020| |2016| |
| Republic Services Uwharrie Landfill | Mt. Gilead, NC, USA | |2019| |2013| |
| Waste Connections Anson County Landfill | Polkton, NC, USA | |2022| |
| Heritage-Crystal Clean | Raleigh, NC, USA | |2022| |
| Safety-Kleen Systems, Inc. | Raleigh, NC, USA | |2022| |2001| |
| WM Great Oak Landfill | Randleman, NC, USA | |2022| |
| Clean Harbors (Safety-Kleen; Laidlaw) | Reidsville, NC, USA | |2024| |2023| |2022| |2021| |2019| |2018| |2016| |2015| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2003| |2000| |1997| |
| Sampson County Disposal | Roseboro, NC, USA | |2010| |
| Republic Services Upper Piedmont Environmental and LF | Rougemont, NC, USA | |2011| |
| Noble Oil Services | Sanford, NC, USA | |2020| |2011| |2007| |2004| |2001| |
| Safety-Kleen Systems, Inc | St. Pauls, NC, USA | |2023| |
| SR&R Environmental Inc. | Wilmington, NC, USA | |2024| |
| HOH Corporation | Winston-Salem, NC, USA | |2007| |
| IHD Solids Management, LLC (Indian Hills Waste Disposal) | Alexander, ND, USA | |2013| |
| Tervita (Alexander Facility) | Alexander, ND, USA | |2014| |
| Chimney Butte Environmental | Fairfield, ND, USA | |2014| |
| Safety-Kleen Systems, Inc. | Fargo, ND, USA | |2024| |2019| |
| Tervita (Blue Buttes Facility) | Keene, ND, USA | |2014| |
| Horizon Oilfield Services Processing Plant (Treatment Facility) | Killdeer, ND, USA | |2018| |
| Horizon Oilfield Services SWD (Disposal Well) | Killdeer, ND, USA | |2018| |
| PetroComp | Marmarth, ND, USA | |2014| |
| Sakakawea Ventures McGregor Salt Water Disposal #1 (Trisun Energy Services) | McGregor, ND, USA | |2014| |
| Clean Harbors (Sawyer Disposal Services, LLC; Safety-Kleen (Sawyer), Inc.) | Sawyer, ND, USA | |2024| |2017| |2013| |
| Prairie Disposal (R360; PDI Facility) | Tioga, ND, USA | |2018| |2013| |
| KT Enterprises 34-22 SFI | Watford City, ND, USA | |2023| |
| Newalta (Johnsons Corner Facility) | Watford City, ND, USA | |2014| |
| Dishon Disposal Special Waste Landfill (Dishon Disposal, Inc.) | Williston, ND, USA | |2018| |2013| |
| Sabin Metal West | Williston, ND, USA | |2022| |2019| |2018| |2015| |2012| |2009| |2007| |2005| |2001| |
| Secure Energy 13 Mile Full Service Terminal (13 Mile Corner) | Williston, ND, USA | |2017| |
| Secure Energy 13 Mile Landfill | Williston, ND, USA | |2015| |
| Wisco Oilfield Special Waste Landfill | Williston, ND, USA | |2014| |
| WM Pheasant Point Landfill | Bennington, NE, USA | |2022| |2018| |2015| |
| Clean Harbors | Kimball, NE, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2002| |2000| |1998| |
| Bluff Road Landfill and Composting Facility (Lincoln Bluff Landfill) | Lincoln, NE, USA | |2012| |
| Stericycle | Lincoln, NE, USA | |2012| |
| Windfield Alloy | Atkinson, NH, USA | |2019| |2016| |
| Universal Recycling Technologies (URT; CRT Processing, LLC; Uniwaste) | Dover, NH, USA | |2012| |2009| |
| Heritage-Crystal Clean | Hudson, NH, USA | |2023| |2020| |
| Environmental Soil Management, Inc. (ESMI) | Loudon, NH, USA | |2019| |2016| |2013| |
| Colt Refining | Merrimack, NH, USA | |2024| |2019| |
| DMC Electronics Recycling Corp. | Newfields, NH, USA | |2001| |
| WM Turnkey Recycling & Environmental Enterprises (TREE, Rochester LF) | Rochester, NH, USA | |2024| |2021| |2019| |2016| |2011| |2008| |
| Soil Remediation Technology | Bridgeton, NJ, USA | |2003| |
| Patrick J. Kelly Drums | Camden, NJ, USA | |2020| |2015| |2011| |
| William J. Jones & Son, Inc. | Camden, NJ, USA | |2015| |2012| |
| Tunnel Barrel & Drum | Carlstadt, NJ, USA | |2002| |
| Clean Earth of Carteret (Carteret Biocycle) | Carteret, NJ, USA | |2020| |2017| |2013| |2009| |2006| |
| Hesstech LLC | Cranbury, NJ, USA | |2015| |
| DuPont Secure Environmental Treatment Plant (Chambers Works) | Deepwater, NJ, USA | |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2002| |2000| |1997| |
| Middlesex County Landfill | East Brunswick, NJ, USA | |2012| |
| HessTech LLC | Edison, NJ, USA | |2003| |
| Cycle Chem (ACV Enviro; Clean Venture) | Elizabeth, NJ, USA | |2021| |2020| |2018| |2017| |2014| |2010| |2007| |2004| |1995| |
| Heritage-Crystal Clean | Elizabeth, NJ, USA | |2021| |2018| |
| Lorco Petroleum Services | Elizabeth, NJ, USA | |2023| |2020| |2018| |2016| |2013| |2011| |2010| |2007| |2005| |
| Veolia ES Technical Solutions (Onyx ES; WM; AETC/AETS) | Flanders, NJ, USA | |2024| |2023| |2022| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2011| |2010| |2008| |2007| |2005| |2003| |2002| |2001| |1999| |1995| |
| Cinelli Iron & Metal Corp. (Warehouse) | Hackensack , NJ, USA | |2017| |
| Clean Earth Dredging Technologies (CEDTI, Claremont Dredged Material Recycling Facility ) | Jersey City, NJ, USA | |2023| |2020| |2017| |
| Fortune Plastic & Metal, Inc. | Jersey City, NJ, USA | |2005| |
| Clean Earth of North Jersey (S & W Waste, Inc.) | Kearny, NJ, USA | |2023| |2022| |2018| |2017| |2015| |2014| |2011| |2010| |2007| |2005| |1998| |
| G&S Technologies Division | Kearny, NJ, USA | |2024| |2021| |2017| |2011| |
| Bayshore Recycling Corporation | Keasbey, NJ, USA | |2024| |2021| |2018| |2017| |2013| |
| Electronic Recyclers International, Inc. (ERI) | Lincoln Park, NJ, USA | |2022| |
| Safety-Kleen Systems, Inc. (Linden Recycle Center) | Linden, NJ, USA | |2023| |2022| |2020| |2019| |2018| |2017| |2014| |2012| |2011| |2009| |2007| |2006| |2005| |2002| |2000| |1998| |
| Clean Harbors (Bridgeport Disposal; Safety-Kleen Corporation; Laidlaw; Rollins) | Logan Township, NJ, USA | |2023| |2018| |2000| |1999| |1996| |
| Soil Safe | Logan Township, NJ, USA | |2022| |2018| |2014| |2012| |2008| |2006| |
| Veolia ES Technical Solutions (Marisol, Inc.) | Middlesex, NJ, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2008| |2007| |2005| |2003| |2002| |1999| |1997| |
| Cumberland County Solid Waste Landfill | Millville, NJ, USA | |2016| |
| BMB Paint and Coatings, LLC | Monmouth Junction, NJ, USA | |2019| |
| Republic Services of Mount Laurel | Mount Laurel, NJ, USA | |2013| |
| Kearny Steel Container | Newark, NJ, USA | |2016| |
| AnythingIT Inc. | North Bergen, NJ, USA | |2024| |2021| |2018| |
| Heritage-Crystal Clean | Pennsauken, NJ, USA | |2022| |2019| |
| Electrum, Inc. | Rahway, NJ, USA | |2022| |
| Fortune Metal Recycling, Inc. (Fortune Riverside Auto Parts, Inc.) | Rahway, NJ, USA | |2023| |2020| |2017| |
| Reworld Union County Resource Recovery (Covanta) | Rahway, NJ, USA | |2021| |2016| |2014| |2010| |2004| |
| Newtech Recycling, Inc. | Somerset, NJ, USA | |2018| |2013| |2008| |
| Mauser Packaging Solutions (Recycle Inc. East; National Container Group) | South Plainfield, NJ, USA | |2023| |2020| |2016| |2010| |2006| |2000| |
| Safety-Kleen Systems, Inc. | Vincentown, NJ, USA | |2022| |2011| |
| Pure Earth Recycling (Casie Protank; Casie Ecology Oil Salvage) | Vineland, NJ, USA | |2009| |2006| |2002| |
| Pure Earth Recycling (Mid-Atlantic Recycling Technologies, Inc.) | Vineland, NJ, USA | |2010| |2006| |
| Johnson Matthey Catalysts, Chemicals and Refining | West Deptford, NJ, USA | |2007| |2004| |2001| |
| Miller Environmental Corporation (Monarch Environmental) | Woodstown, NJ, USA | |2015| |2008| |
| Academy Corporation | Albuquerque, NM, USA | |2001| |
| ACT Chemical Treatment (ACTEnviro; Advanced Chemical Transport; ACTreatment; Rinchem) | Albuquerque, NM, USA | |2024| |2021| |2018| |2015| |2013| |
| Safety-Kleen Systems, Inc. | Albuquerque, NM, USA | |2022| |
| Thermo-Fluids, Inc. | Albuquerque, NM, USA | |2023| |2020| |
| Agua Moss LLC (Crouch Mesa Facility) | Aztec, NM, USA | |2017| |
| JFJ/Industrial Ecosystems | Aztec, NM, USA | |2020| |2014| |2010| |2005| |
| WM San Juan Regional Landfill | Aztec, NM, USA | |2023| |2016| |2011| |
| Basin Disposal Inc | Bloomfield, NM, USA | |2014| |2010| |
| Envirotech | Bloomfield, NM, USA | |2013| |
| Lea Land, LLC | Carlsbad, NM, USA | |2021| |
| Lea County Landfill | Eunice, NM, USA | |2013| |
| Sundance Services | Eunice, NM, USA | |2015| |2003| |
| Safety-Kleen Systems, Inc. | Farmington, NM, USA | |2024| |2014| |2010| |2005| |
| R360 Environmental Solutions (Controlled Recovery Inc; CRI) | Halfway, NM, USA | |2020| |2016| |2011| |
| J&L Landfarm | Hobbs, NM, USA | |2014| |
| WM Valencia Regional Landfill and Recycling Center | Los Lunas, NM, USA | |2017| |
| WM Rio Rancho Landfill | Rio Rancho, NM, USA | |2020| |2017| |2013| |
| US Ecology, Inc. | Beatty, NV, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2008| |2007| |2006| |2004| |2002| |2000| |1997| |
| 21st Century Environmental (Stericycle Environmental; 21st Century EMI) | Fernley, NV, USA | |2024| |2021| |2019| |2017| |2013| |2010| |2007| |2004| |2000| |
| GDB International (BMB Paint and Coatings LLC) | Las Vegas, NV, USA | |2019| |
| Republic Services Apex Landfill (Environmental Technologies of Nevada) | Las Vegas, NV, USA | |2018| |2000| |
| Aqua Metals | McCarran, NV, USA | |2018| |
| Safety-Kleen Systems, Inc. | North Las Vegas, NV, USA | |2023| |2020| |
| Thermo Fluids Used Oil Transfer Station (Used Oil Transfer Station) | North Las Vegas, NV, USA | |2024| |2021| |2017| |
| Thermo Fluids, Inc. (Antifreeze Facility) | North Las Vegas, NV, USA | |2017| |
| Sims Recycling Solutions (Global Investment Recovery) | Sparks, NV, USA | |2012| |
| Thermo Fluids, Inc. | Sparks, NV, USA | |2023| |
| WM Lockwood Regional Landfill (Refuse Inc.) | Sparks, NV, USA | |2022| |2017| |2012| |
| Mercury Refining (MWS NY) | Albany, NY, USA | |1995| |
| Casella Hyland Facility Associates LF | Angelica, NY, USA | |2012| |
| Triumvirate Environmental (NYC) LLC | Astoria, NY, USA | |2023| |2020| |2017| |
| Safety-Kleen Corporation | Avon, NY, USA | |2023| |
| Pallets-R-Us | Bellport, NY, USA | |2020| |2017| |
| WM Mill Seat Landfill | Bergen, NY, USA | |2005| |
| Nexeo Solutions (Ashland Distribution Company) | Binghamton, NY, USA | |2009| |
| AB Environmental (AB Oil Service Ltd.) | Bohemia, NY, USA | |2023| |2020| |2017| |
| Communications Wireless Group (CWG; CMB Wireless Group) | Bohemia, NY, USA | |2009| |
| All City Recycling | Bronx, NY, USA | |2024| |2021| |2018| |
| Bronx Recycle (Tilcon, Con Agg Recycling Corporation) | Bronx, NY, USA | |2017| |
| Castle Hill Recycling | Bronx, NY, USA | |2024| |2021| |2018| |
| Fulcircle Ballast Recyclers | Bronx, NY, USA | |2002| |1995| |
| New York Recycling LLC (Bronx County Recycling; NY Recycling) | Bronx, NY, USA | |2023| |2019| |2017| |
| PASCAP Co. Inc. | Bronx, NY, USA | |2024| |2020| |2017| |
| Stericycle | Bronx, NY, USA | |2023| |2020| |2017| |2002| |
| Tri-State Transfer Associates, Inc. | Bronx, NY, USA | |2023| |2020| |2017| |
| Allocco Recycling Corp. | Brooklyn, NY, USA | |2023| |2020| |2017| |
| Cooper Recycling | Brooklyn, NY, USA | |2023| |
| Goodman Bros. Steel Drum Co. | Brooklyn, NY, USA | |1998| |
| Metropolitan Paper Recycling | Brooklyn, NY, USA | |2017| |
| Heritage-Crystal Clean | Buffalo, NY, USA | |2023| |2020| |
| Safety-Kleen Systems, Inc. | Buffalo, NY, USA | |2021| |
| Casings, Inc. (Casing, Inc. Tire Recycling) | Catskill, NY, USA | |2017| |
| WM Chaffee Landfill | Chaffee, NY, USA | |2024| |2018| |
| Safety-Kleen Systems, Inc. (BDT) | Clarence, NY, USA | |2002| |2000| |1997| |
| Mesa Technical Associates, Inc. | Cobleskill, NY, USA | |2021| |
| TCI of NY LLC (Trans-Cycle Industries) | Coeymans, NY, USA | |2016| |
| Norlite LLC (United Industrial Service; ThermalKem) | Cohoes, NY, USA | |2024| |2021| |2019| |2018| |2017| |2016| |2014| |2013| |2012| |2010| |2008| |2005| |2003| |2001| |1998| |1995| |
| Safety-Kleen Systems, Inc | Cohoes, NY, USA | |2021| |2018| |
| PK Metals (Suffolk Industrial Recovery Corp. DBA PK Metals) | Coram, NY, USA | |2010| |
| Evergreen Recycling (Tully Environmental, Inc.) | Corona, NY, USA | |2024| |2020| |2017| |
| Stericycle (BFI Medical Waste Systems) | Dunkirk, NY, USA | |2019| |2012| |
| Reworld Huntington (Covanta) | East Northport, NY, USA | |2023| |2020| |2017| |2013| |
| Casella Waste Systems Chemung County LF (Operated by Casella Waste Systems) | Elmira, NY, USA | |2012| |
| Thalle Industries Virtual Quarry | Elmsford, NY, USA | |2023| |2020| |
| WM High Acres Landfill | Fairport, NY, USA | |2023| |2019| |2016| |2015| |2013| |2008| |
| Advanced Waste and Water Technology (Environmental Waste Treatment LLC) | Farmingdale, NY, USA | |2022| |2016| |2011| |
| Durante Brothers | Flushing, NY, USA | |2017| |
| Environmental Soil Management, Inc. (Clean Earth; ESMI) | Fort Edward, NY, USA | |2023| |2020| |2017| |
| eWorks Electronics Services, Inc. | Freeport, NY, USA | |2020| |
| WM Green Ridge RDF | Gansevoort, NY, USA | |2024| |
| Environmental Products & Services of Vermont (EPSVT Albany Branch) | Glenmont, NY, USA | |2019| |2008| |
| Ames Goldsmith (Catalyst Refiners) | Glens Falls, NY, USA | |2002| |
| Miller Environmental (Environmental Products & Services of Vermont) | Lancaster, NY, USA | |2020| |
| Heritage-Crystal Clean | Latham, NY, USA | |2023| |2020| |
| Hunters Point Recycling | Long Island City, NY, USA | |2024| |2021| |
| American Lamp Recycling, LLC | Marlboro, NY, USA | |2023| |2020| |2017| |
| Gershow Recycling Center | Medford, NY, USA | |2019| |2018| |2017| |
| 110 Sand Company | Melville, NY, USA | |2017| |
| Ecobat Resources (Revere Smelting & Refining; RSR-Quemetco) | Middletown, NY, USA | |2024| |2018| |2013| |2005| |
| CWM Chemical Services (Waste Management Model City; Chemical Waste Management) | Model City, NY, USA | |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2005| |2004| |2003| |2002| |2001| |1999| |1998| |1995| |
| Modern Landfill | Model City, NY, USA | |2024| |2019| |2010| |2004| |
| Metro Green LLC | Mount Vernon, NY, USA | |2022| |
| ACV Enviro (Deep Green; TPS Technologies; Soil Safe) | New Windsor, NY, USA | |2017| |
| Republic Services Pine Avenue Landfill (Niagara Falls Landfill) | Niagara Falls, NY, USA | |2024| |2019| |2015| |
| Reworld (Covanta; Environment & Industrial Contracting; Green Environment) | Niagara Falls, NY, USA | |2020| |
| Reworld Niagara (Covanta; American Ref-Fuel) | Niagara Falls, NY, USA | |2023| |2021| |2019| |2018| |2017| |2016| |2014| |2011| |2009| |2006| |2004| |
| Safety-Kleen Systems, Inc. | North Amityville, NY, USA | |2022| |
| Stericycle Inc. (New York Environmental Services; Health Care Environmental; NYES) | Oneonta, NY, USA | |2017| |2004| |
| Reworld (Covanta; Industrial Oil Tank Service Corporation) | Oriskany, NY, USA | |2020| |2016| |
| Paradise Oil (Paradise Heating Oil) | Ossining, NY, USA | |2017| |
| Casella Waste Systems Hakes C&D LF | Painted Post, NY, USA | |2012| |
| Eastman Kodak Solvent Reclamation | Rochester, NY, USA | |2020| |
| Heritage-Crystal Clean | Rochester, NY, USA | |2020| |
| Heritage-Crystal Clean | Rochester, NY, USA | |2024| |
| Sabin Metal | Scottsville, NY, USA | |2021| |2016| |2013| |2010| |2007| |2004| |2000| |
| Somers Sanitation (City Carting Corp; Bria Carting Corp) | Somers, NY, USA | |2020| |2017| |
| Clean Water of New York | Staten Island, NY, USA | |2023| |2020| |2017| |
| J&A Bruno LLC / C.A.M. Construction | Staten Island, NY, USA | |2021| |
| Richmond Recycling | Staten Island, NY, USA | |2023| |2020| |2017| |
| South Shore Recycling LLC | Staten Island, NY, USA | |2021| |
| Miller Environmental Group (Environmental Products & Services of Vermont; EPSVT) | Syracuse, NY, USA | |2022| |2016| |2008| |
| Safety-Kleen Systems, Inc. | Syracuse, NY, USA | |2021| |
| NOCO Energy Corporation | Tonawanda, NY, USA | |2006| |
| Eco | International (Amandi; Envirocycle) | Vestal, NY, USA | |2008| |
| Waste Connections Seneca Meadows LF | Waterloo, NY, USA | |2020| |2013| |2009| |
| Op-Tech Environmental Services, Inc | Waverly, NY, USA | |2012| |
| Dale Transfer Corporation (AARCO) | West Babylon, NY, USA | |2020| |
| Stein & Gianott | West Babylon, NY, USA | |2003| |
| Reworld Hempstead Resource Recovery (Covanta; American Ref-Fuel) | Westbury, NY, USA | |2023| |2020| |2016| |2002| |
| Waste Management of New York (A1 Compaction Transfer Station) | Yonkers, NY, USA | |2023| |2020| |2017| |
| Recycling Coordinators | Akron, OH, USA | |2005| |
| Republic Services Pine Grove Landfill | Amanda, OH, USA | |2003| |
| Clean Harbors (Safety-Kleen (PPM), Inc.) | Ashtabula, OH, USA | |2008| |
| PennOhio Corporation | Ashtabula, OH, USA | |2004| |
| Chemtron Corporation (Plant 1) | Avon, OH, USA | |2022| |2019| |2017| |2016| |2013| |2008| |2004| |2001| |
| Cirba Solutions (Retriev Technologies, Toxco Inc.) | Baltimore, OH, USA | |2024| |2020| |2015| |2014| |2011| |
| TIER Environmental, LLC (Hukill Environmental) | Bedford, OH, USA | |2017| |2013| |2009| |2004| |1999| |
| Republic Cherokee Run LF | Bellefontaine, OH, USA | |2016| |2011| |2004| |
| Enviro-Tank Clean | Belpre, OH, USA | |2008| |2005| |
| Columbus Steel Drum | Blacklick, OH, USA | |2003| |
| ERG Environmental Services (Lamps Inc.) | Bowling Green, OH, USA | |2018| |2015| |2014| |2011| |2008| |
| Safety-Kleen Corporation | Brunswick, OH, USA | |2023| |
| FeeCorp | Canal Winchester, OH, USA | |2004| |
| Envirite of Ohio (EQ Ohio; US Ecology Canton) | Canton, OH, USA | |2022| |2017| |2014| |2011| |2008| |2004| |
| Hydrodec of North America, LLC | Canton, OH, USA | |2020| |2015| |2013| |2009| |
| Clean Harbors (Spring Grove Resources; SGRR) | Cincinnati, OH, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2011| |2010| |2009| |2007| |2006| |2005| |2003| |2002| |1999| |1996| |
| Cleanlites Recycling, Inc. (USA Lamp & Ballast Recycling) | Cincinnati, OH, USA | |2023| |2020| |2016| |2011| |2006| |2003| |
| Environmental Enterprises, Inc. | Cincinnati, OH, USA | |2024| |2021| |2018| |2016| |2012| |2008| |
| Heritage-Crystal Clean (Cincinnati Branch) | Cincinnati, OH, USA | |2021| |2018| |
| Mauser Packaging Solutions (Industrial Container Services; ICS-Questar) | Cincinnati, OH, USA | |2024| |2020| |
| Rumpke Industrial Landfill | Cincinnati, OH, USA | |2024| |2021| |2016| |2011| |2006| |
| Rumpke Recycling | Cincinnati, OH, USA | |2009| |2004| |
| Chemical Solvents, Inc. (CSI) | Cleveland, OH, USA | |2009| |2005| |2001| |
| Clean Harbors | Cleveland, OH, USA | |2024| |2023| |2022| |2020| |2019| |2017| |2016| |2014| |2013| |2012| |2011| |2010| |2008| |2007| |2006| |2005| |2004| |2000| |
| Container Corporation | Cleveland, OH, USA | |2000| |
| Coyne Textile Services (CTS) | Cleveland, OH, USA | |2007| |
| General Environmental Management (Research Oil; Pure Tech) | Cleveland, OH, USA | |2008| |2005| |2003| |2001| |1998| |
| QualaWash Holdings (Manfredi Special Services) | Cleveland, OH, USA | |2016| |2012| |
| Calgon Carbon Corporation (Waterlink; Barnebey-Sutcliffe) | Columbus, OH, USA | |2005| |2001| |
| Central Ohio Oil, Inc. (Heartland Petroleum) | Columbus, OH, USA | |2021| |2016| |2013| |2009| |2005| |2001| |
| Ohio Soil Recycling | Columbus, OH, USA | |2024| |2019| |2003| |
| Veolia ES Technical Solutions (Onyx ES; Superior Special Services; Recyclights, Inc.) | Columbus, OH, USA | |1999| |
| Buckeye Brine Injection Well | Coshocton, OH, USA | |2024| |
| Valicor Environmental Services (Clean Water Environmental; Perma-Fix of Dayton) | Dayton, OH, USA | |2023| |2020| |2017| |2015| |2012| |2008| |2002| |1999| |1995| |
| Heritage Thermal Services (WTI; Von Roll America, Inc.) | East Liverpool, OH, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2001| |2000| |1999| |1996| |
| Republic Services Countywide Landfill | East Sparta, OH, USA | |2016| |2003| |
| Progressive Iron & Metal Inc | Fremont, OH, USA | |2018| |
| Industrial Container Services (Columbus Drum Reclaimers; ICS) | Gahanna, OH, USA | |2022| |2017| |2013| |
| WM Suburban RDF (Waste Management, Inc.) | Glenford, OH, USA | |2018| |2013| |2010| |2007| |2004| |
| Ross Incineration Services (Ross Environmental Services) | Grafton, OH, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2004| |2002| |2001| |1999| |1996| |
| Clean Harbors (Hebron Recycle Center; Safety-Kleen Systems, Inc.) | Hebron, OH, USA | |2022| |2021| |2020| |2019| |2017| |2016| |2015| |2014| |2013| |2011| |2010| |2007| |2006| |2005| |2003| |2002| |1999| |1996| |
| Redemtech | Hilliard, OH, USA | |2006| |
| Safety-Kleen Systems, Inc. (Laidlaw) | Hilliard, OH, USA | |1998| |
| Safety-Kleen Systems, Inc. | Kent, OH, USA | |2022| |
| Cirba Service Solutions of US, Inc. (Retriev Technologies; Toxco) | Lancaster, OH, USA | |2023| |2021| |2018| |2016| |2015| |2013| |2011| |2007| |
| UST Environmental Contractor | Lancaster, OH, USA | |2006| |
| Lima Barrel & Drum Co. | Lima, OH, USA | |2006| |
| Petro Environmental Technologies, LLC (Petrocell) | Lodi, OH, USA | |2024| |2020| |2015| |2011| |2003| |2001| |
| Republic Carbon Limestone Landfill (BFI; Allied Waste) | Lowellville, OH, USA | |2022| |2017| |2013| |2002| |
| Skye Metal Recovery, Inc. (METPro Recovery) | Marietta, OH, USA | |2020| |2016| |
| Vexor Technology, Inc. | Medina, OH, USA | |2023| |2016| |2010| |2008| |2006| |2005| |
| Valicor Environmental Services (United Waste Water) | Middletown, OH, USA | |2023| |2020| |
| Valicor Environmental Services, LLC | Monroe, OH, USA | |2017| |
| WM Mahoning Landfill | New Springfield, OH, USA | |2016| |
| Veolia Environmental Services (Onyx AETS) | North Jackson, OH, USA | |2013| |
| Heritage-Crystal Clean (Cleveland Branch) | North Royalton, OH, USA | |2018| |
| WM Evergreen RDF | Northwood, OH, USA | |2018| |2011| |2008| |2005| |
| Agmet Metals Inc | Oakwood Village, OH, USA | |2021| |2016| |2013| |2010| |2007| |2002| |
| BFI Lorain County Landfill | Oberlin, OH, USA | |2003| |
| Envirosafe Services of Ohio | Oregon, OH, USA | |2007| |2003| |1997| |
| Systech Environmental Services (Lafarge) | Paulding, OH, USA | |2022| |2019| |2018| |2015| |2013| |2010| |2009| |2007| |2006| |2004| |2002| |2000| |1997| |
| Bay Metal, Inc. | Richfield, OH, USA | |2018| |
| Valicor Environmental Services, LLC (United Wastewater Services, LLC) | Sharonville, OH, USA | |2014| |2013| |2011| |2008| |2005| |
| OmniSource Corporation | Toledo, OH, USA | |2018| |
| Philip Environmental Services (BBC Environmental Enterprises) | Toledo, OH, USA | |2004| |
| Stericycle | Toledo, OH, USA | |2004| |
| The Horwitz & Pintis Co. | Toledo, OH, USA | |2012| |
| Emerald Transformer Services (Clean Harbors; PPM Inc; Laidlaw; Safety Kleen) | Twinsburg, OH, USA | |2023| |2020| |2018| |2017| |2014| |2011| |2007| |2004| |
| Cascade Eco Minerals (Dlubak Glass Ohio) | Upper Sandusky, OH, USA | |2013| |2008| |
| Heritage-Crystal Clean (Dayton Branch) | Vandalia, OH, USA | |2021| |2018| |
| WM Vickery Environmental (CWM; Chem Waste) | Vickery, OH, USA | |2024| |2021| |2018| |2004| |2000| |
| Stericycle | Warren, OH, USA | |2021| |2016| |2013| |2011| |2008| |2004| |
| Petro Environmental Services (Petrocell) | Washington Court House, OH, USA | |2015| |2011| |2003| |
| Minerva Enterprises, LLC | Waynesburg, OH, USA | |2024| |2021| |2018| |2017| |2010| |
| WM American Landfill (Waste Management, Inc.) | Waynesburg, OH, USA | |2024| |2020| |2016| |2015| |2012| |2007| |2004| |1999| |
| Rumpke Beech Hollow Landfill | Wellston, OH, USA | |2018| |2015| |2010| |
| Veolia ES Technical Solutions (Onyx ES; CWM; Chem Waste) | West Carrollton, OH, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2001| |2000| |1996| |
| Umicore Specialty Materials Recycling, LLC (CP Chemical Group) | Wickliffe, OH, USA | |2014| |
| Chemviron Midwest, Inc. (Hydrocarbon Recovery Services, Inc) | Wooster, OH, USA | |2015| |
| Environmental Specialists, Inc | Youngstown, OH, USA | |2022| |2016| |
| Republic Services Alderson LF (Pittsburg County Landfill) | Alderson, OK, USA | |2024| |2013| |
| Oklahoma Materials Recycling LLC | Atoka, OK, USA | |2012| |
| A & A - Graham 1 (7-8N-24E) | Bokoshe, OK, USA | |2002| |
| Mid-Way Environmental Services, Inc. | Chandler, OK, USA | |2015| |
| US Oil Reclaimers, LLC | Drumright, OK, USA | |2018| |
| R360 Environmental Solutions (J. Scott Mud Disposal) | El Reno, OK, USA | |2015| |
| Madewell & Madewell | Jones, OK, USA | |2013| |
| Eurecat, Inc. (Tricat, Inc.) | McAlester, OK, USA | |2022| |2018| |2015| |2012| |2009| |2005| |2002| |1999| |1997| |
| Waste Connections Red Carpet Landfill | Meno, OK, USA | |2015| |2005| |
| WM Muskogee RDF | Muskogee, OK, USA | |2018| |
| Heritage-Crystal Clean (FCC Environmental; Hydrocarbon Recovery Services, Siemens Water, US Filter) | Oklahoma City, OK, USA | |2022| |
| Heritage-Crystal Clean (FCC Environmental; Hydrocarbon Recovery Services, Siemens Water, US Filter) | Oklahoma City, OK, USA | |2015| |2013| |
| Safety-Kleen Systems, Inc. (Laidlaw Waste Systems, Inc.) | Oklahoma City, OK, USA | |2023| |2019| |
| Sunbelt Industries | Oklahoma City, OK, USA | |2011| |
| Vopak USA, Inc. | Oklahoma City, OK, USA | |2001| |
| Waste Connections OKC Landfill | Oklahoma City, OK, USA | |2023| |2018| |
| WM East Oak RDF | Oklahoma City, OK, USA | |2020| |2018| |2015| |2012| |2003| |
| WCA Waste Pauls Valley Landfill | Pauls Valley, OK, USA | |2014| |
| Norit Americas, Inc. | Pryor, OK, USA | |2005| |
| Big Mac - Mackey 1 (34-8N-18E) | Quinton, OK, USA | |2002| |
| A & A - Martin C-2 (20-6N-22E) | Red Oak, OK, USA | |2002| |
| American Environmental Landfill | Sand Springs, OK, USA | |2023| |2019| |2015| |
| Mid-Way Environmental | Stroud, OK, USA | |2022| |
| A-Line TDS (Transformer Disposal Specialists) | Tonkawa, OK, USA | |2024| |2020| |2017| |2013| |2010| |2007| |
| Reworld Tulsa MPF (Covanta; Miller Environmental Transport) | Tulsa, OK, USA | |2024| |
| Reworld Tulsa Renewable Energy (Covanta; Walter B. Hall) | Tulsa, OK, USA | |2024| |2022| |2020| |2019| |2015| |2013| |2010| |
| Safety-Kleen Systems, Inc. | Tulsa, OK, USA | |2024| |2014| |2006| |
| Systech Environmental Corporation | Tulsa, OK, USA | |2016| |2013| |
| US Ecology (EQ Oklahoma; Perma-Fix Environmental Services) | Tulsa, OK, USA | |2024| |2021| |2000| |
| WM Quarry RDF (Quarry Sanitary Landfill) | Tulsa, OK, USA | |2017| |
| Clean Harbors (Lone Mountain; Safety-Kleen; Laidlaw; USPCI; Rollins) | Waynoka, OK, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2012| |2011| |2010| |2009| |2007| |2006| |2005| |2004| |2002| |2000| |1997| |
| A & A - Kier Unit 1A (2-5N-19E) | Wilburton, OK, USA | |2002| |
| Chemical Waste Management | Arlington, OR, USA | |2024| |2023| |2020| |2019| |2017| |2016| |2014| |2013| |2011| |2010| |2007| |2006| |2004| |2001| |1998| |
| WM Columbia Ridge Landfill & Recycling Center | Arlington, OR, USA | |2022| |2017| |2007| |2004| |
| Waste Connections Finley Buttes Regional LF | Boardman, OR, USA | |2012| |
| Reworld Marion (Covanta) | Brooks, OR, USA | |2022| |2019| |
| K. B. Recycling (Canby Disposal) | Canby, OR, USA | |2012| |
| Safety-Kleen Systems, Inc. | Clackamas, OR, USA | |2024| |2019| |2015| |
| Thermo Fluids | Clackamas, OR, USA | |2022| |2019| |
| CCS Southern Oregon Operations | Eugene, OR, USA | |2012| |
| Thermo-Fluids, Inc. | Eugene, OR, USA | |2020| |
| WM Hillsboro Landfill | Hillsboro, OR, USA | |2021| |2017| |
| WM Riverbend Landfill | McMinnville, OR, USA | |2018| |2013| |
| Container Management Services, LLC (CMS) | Portland, OR, USA | |2019| |
| MetroPaint | Portland, OR, USA | |2019| |
| Oil Re-Refining Company (ORRCO) | Portland, OR, USA | |2012| |
| Transformer Technologies | Salem, OR, USA | |2021| |2011| |
| Thermo-Fluids, Inc. | White City, OR, USA | |2024| |2020| |
| AERC Recycling Solutions (AERC.com, Inc.; Mercury Technologies International; MTI;) | Allentown, PA, USA | |2024| |2022| |2021| |2020| |2019| |2018| |2017| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2003| |2002| |2000| |1998| |1996| |
| Alpha Assembly Solutions (Alpha Fry Technology) | Altoona , PA, USA | |2018| |
| McCutcheon Enterprises, Inc. | Apollo, PA, USA | |2022| |2016| |2014| |2010| |
| Pyromet, LLC | Aston, PA, USA | |2024| |
| Safety-Kleen Systems, Inc. | Aston, PA, USA | |2001| |
| Lancaster County SWMA Resource Recovery (Operated by Covanta Energy) | Bainbridge, PA, USA | |2023| |2019| |2014| |2010| |2003| |
| Bakerstown Container Corp. | Bakerstown, PA, USA | |2003| |
| Keystone Cement Company | Bath, PA, USA | |2021| |2018| |2016| |2012| |2011| |2009| |2005| |2003| |2002| |1997| |
| Envirotrol | Beaver Falls, PA, USA | |1998| |
| Ultra-Poly Corporation (Wellspring Environmental Services) | Berwick, PA, USA | |2018| |
| Bethlehem Apparatus | Bethlehem, PA, USA | |2024| |2021| |2020| |2018| |2017| |2014| |2012| |2009| |2007| |2006| |2005| |2004| |2003| |2002| |2000| |1999| |
| IESI Bethlehem Landfill | Bethlehem, PA, USA | |2013| |
| Pioneer Crossing Landfill | Birdsboro, PA, USA | |2023| |2006| |2003| |
| HydroRecovery LP | Blossburg, PA, USA | |2016| |
| Petromax | Carnegie, PA, USA | |2021| |
| DelCORA | Chester, PA, USA | |2016| |
| Reworld Delaware Valley (Covanta) | Chester, PA, USA | |2022| |2017| |2013| |
| Piney Creek Power Plant | Clarion, PA, USA | |2011| |
| Frey Farm Landfill | Conestoga, PA, USA | |2021| |
| Reworld Plymouth Renewable Energy (Covanta) | Conshohocken, PA, USA | |2021| |2017| |2016| |
| Evoqua Water Technologies, LLC (Siemens Industry, Inc.; Envirotrol; Siemens Water Technologies) | Darlington, PA, USA | |2023| |2020| |2018| |2016| |2013| |2012| |2010| |2009| |2007| |2006| |2005| |2004| |2001| |1998| |1995| |
| Noble Southern Alleghenies Disposal Services | Davidsville, PA, USA | |2018| |2017| |
| Kalumetals, Inc. | Derry, PA, USA | |2008| |
| WM Kelly Run Landfill | Elizabeth, PA, USA | |2005| |
| INMETCO (International Metal Reclamation Co.; Inco LTD) | Ellwood City, PA, USA | |2022| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2003| |2002| |2001| |2000| |1999| |1997| |
| Abington Reldan Metals, LLC (Reldan Metals) | Fairless Hills, PA, USA | |2023| |2019| |2016| |2014| |2011| |
| Safety-Kleen | Fairless Hills, PA, USA | |2022| |2018| |
| Evoqua Water Technologies (Siemens Water Technologies) | Fallsington, PA, USA | |2017| |
| Zwicky Processing & Recycling Inc. | Fleetwood, PA, USA | |2020| |
| WM Mountain View Reclamation LF | Greencastle, PA, USA | |2021| |
| Heritage-Crystal Clean | Harrisburg, PA, USA | |2022| |2019| |
| Republic Environmental Systems (Clean Earth; Stericycle Environmental Solutions; PSC) | Hatfield, PA, USA | |2023| |2021| |2019| |2018| |2016| |2014| |2012| |2009| |2007| |2004| |2002| |1999| |1996| |
| Hazleton Oil & Environmental, Inc. (Hazleton Oil Salvage) | Hazleton, PA, USA | |2013| |
| Bethlehem Apparatus | Hellertown, PA, USA | |2022| |2019| |2018| |2017| |2015| |2014| |2010| |2008| |2007| |2005| |2003| |2002| |2000| |1999| |1997| |1995| |
| Republic Services Imperial Landfill (Allied Waste; BFI) | Imperial, PA, USA | |2012| |
| Triumvirate Environmental Pittsburgh, Inc. (Plastic Recycling Plant; Commonwealth Recycling Services, Inc.; CRS) | Jeannette, PA, USA | |2022| |2018| |
| Triumvirate Environmental Pittsburgh, Inc. (Infectious & Chemotherapeutic Waste (ICW) Facility) | Jeannette, PA, USA | |2022| |2018| |2015| |
| Safety-Kleen Systems, Inc. | Johnstown, PA, USA | |2022| |2019| |
| Casella Waste Systems McKean County LF (Rustick LLC; McKean County LF) | Kane, PA, USA | |2012| |
| Advanced Disposal Greentree LF (Onyx Greentree LF; Veolia Greentree LF) | Kersey, PA, USA | |2020| |2017| |2015| |2013| |2010| |
| JG Environmental | Lancaster, PA, USA | |2024| |
| VLS Lancaster (Environmental Recovery Corporation; Lancaster Oil Company) | Lancaster, PA, USA | |2024| |2023| |2022| |2019| |2018| |2016| |2013| |2011| |
| Cycle Chem (ACV Enviro; Clean Venture) | Lewisberry, PA, USA | |2023| |2019| |2018| |2015| |2010| |2007| |2004| |
| East Penn Manufacturing | Lyon Station, PA, USA | |2024| |2020| |2017| |2015| |2014| |2013| |2011| |2009| |2006| |2004| |2001| |
| Reworld Chesapeake Waste Solutions (Covanta) | Manheim, PA, USA | |2018| |2013| |
| Wayne Township Landfill | McElhattan, PA, USA | |2024| |
| Stericycle | McKeesport, PA, USA | |2008| |
| White Pines Landfill | Millville, PA, USA | |2023| |
| WM Monroeville Landfill (Chambers Development Co.) | Monroeville, PA, USA | |2022| |2012| |
| Koppers Recovery Resources (Muncy Cogeneration Plant) | Montgomery, PA, USA | |2008| |
| Republic Services Conestoga LF (Allied Waste; BFI; New Morgan Landfill Company) | Morgantown, PA, USA | |2023| |2018| |2017| |2015| |2010| |
| Stericycle (Bridgeview, Inc.) | Morgantown, PA, USA | |2024| |2020| |2017| |2013| |2009| |2004| |
| Clean Earth of South East PA, LLC | Morrisville, PA, USA | |2023| |2020| |2017| |2012| |
| Wheelabrator Falls Inc. | Morrisville, PA, USA | |2016| |2011| |
| WM Fairless Landfill | Morrisville, PA, USA | |2023| |2019| |2017| |
| WM GROWS Landfill | Morrisville, PA, USA | |2009| |2006| |2004| |2001| |
| WM GROWS North Landfill | Morrisville, PA, USA | |2016| |2013| |2011| |
| Reserved Environmental Services (RES) | Mount Pleasant, PA, USA | |2016| |
| Reworld (Covanta Waste Recovery Solutions) | Myerstown, PA, USA | |2023| |2021| |2018| |2015| |
| Cascade Eco Minerals (Dlubak Glass) | Natrona Heights, PA, USA | |2012| |
| Reworld (Covanta; Advanced Waste Services) | New Castle, PA, USA | |2023| |
| Safety Kleen Systems, Inc. | New Kingstown, PA, USA | |2023| |
| WM Cumberland County LF (Interstate Waste Services) | Newburg, PA, USA | |2022| |2018| |2012| |
| WM Norristown Transfer Station | Norristown, PA, USA | |2012| |
| WM Grand Central Sanitary Landfill (Waste Management, Inc.) | Pen Argyl, PA, USA | |2024| |2019| |2012| |2006| |2003| |2000| |
| Clean Earth of Philadelphia (Division of Allied Environmental) | Philadelphia, PA, USA | |2024| |2019| |2017| |2014| |2011| |2009| |2005| |
| Emerald Transformer (Clean Harbors PPM Group) | Philadelphia, PA, USA | |2015| |2008| |2004| |
| Reldan Metals Inc. (Abington Metals Refining) | Philadelphia, PA, USA | |2004| |
| Veolia ES Technical Solutions (Onyx) | Philadelphia, PA, USA | |2024| |2021| |2018| |2015| |2012| |
| WM Philadelphia MRF | Philadelphia, PA, USA | |2012| |
| Calgon Carbon Corporation | Pittsburgh, PA, USA | |2023| |2021| |2019| |2015| |2011| |2008| |2007| |2006| |2005| |2004| |2001| |1999| |1998| |
| World Resources Company | Pottsville, PA, USA | |2010| |
| Exide Technologies | Reading, PA, USA | |2011| |2007| |2005| |2004| |2002| |2001| |1998| |
| Heritage-Crystal Clean | Seward, PA, USA | |2022| |2019| |
| Stericycle | Southampton, PA, USA | |2013| |
| WM Alliance Landfill | Taylor, PA, USA | |2022| |
| International Scrap Iron & Metal Co., Inc. | Trainer, PA, USA | |2011| |
| WM Tullytown Resource Recovery (Waste Management Inc.) | Tullytown, PA, USA | |2013| |2009| |2006| |2001| |
| Alaron Corporation | Wampum, PA, USA | |2024| |2021| |2019| |2018| |2016| |2014| |2013| |2010| |
| CEMTECH, LP (Medusa) | Wampum, PA, USA | |1997| |
| WM Arden Landfill (Waste Management, Inc.) | Washington, PA, USA | |2017| |2002| |
| WM Phoenix LF (Phoenix Resources, Inc) | Wellsboro, PA, USA | |2017| |
| Eldredge, Inc. | West Chester, PA, USA | |2020| |2011| |2007| |2004| |
| Safety-Kleen Systems, Inc. | West Chester, PA, USA | |2021| |2018| |2015| |2011| |
| Safety-Kleen Systems, Inc. | West Mifflin, PA, USA | |2024| |2019| |2012| |2005| |
| WM Northwest Sanitary Landfill | West Sunbury, PA, USA | |2024| |2017| |
| Safety-Kleen Systems, Inc. | Wilkes-Barre, PA, USA | |2024| |2021| |2018| |2013| |
| Republic Modern Landfill | York, PA, USA | |2022| |2017| |2014| |2009| |
| Reworld (Covanta; RecOil) | York, PA, USA | |2017| |
| US Ecology York, Inc. (EQ of Pennsylvania; Envirite) | York, PA, USA | |2023| |2022| |2020| |2017| |2013| |2010| |2007| |2004| |2001| |1996| |
| Heritage-Crystal Clean | Zelienople, PA, USA | |2023| |2020| |
| Oil Energy System, Inc. | Arecibo, PR, USA | |2024| |
| Safetech | Arecibo, PR, USA | |2019| |2014| |2008| |2005| |1999| |
| IFCO Recycling | Caguas, PR, USA | |2020| |2012| |
| Commercial Incineration Corporation | Carolina, PR, USA | |1999| |
| Stericycle (BFI Medical Waste) | Carolina, PR, USA | |2021| |2020| |2016| |2012| |2005| |2001| |
| El Coqui Landfill | Humacao, PR, USA | |2019| |2015| |
| Safety-Kleen Systems, Inc. | Manati, PR, USA | |2018| |2015| |2012| |2005| |2003| |2001| |1999| |
| Western Medical Waste and Environmental Service | Mayagüez, PR, USA | |2008| |
| Penuelas Valley Landfill (Waste Management de Puerto Rico) | Penuelas, PR, USA | |2019| |2015| |2004| |
| Allied Waste of Ponce LF (BFI) | Ponce, PR, USA | |2015| |2013| |2009| |2005| |2001| |1999| |
| EC Waste Salinas Landfill (Sistema de Relleno Sanitario Municipio de Salinas) | Salinas, PR, USA | |2021| |
| Gannon & Scott | Cranston, RI, USA | |2023| |2015| |
| Safety-Kleen Systems, Inc | Cranston, RI, USA | |2021| |2018| |2016| |2013| |
| Noranda Recycling, Inc. (Micro Metallics Corporation) | East Providence, RI, USA | |2003| |
| Fortune Metal Inc. of Rhode Island (Fortune Metal) | Lincoln, RI, USA | |2022| |2019| |2017| |
| Northland Environmental (Stericycle Environmental Solutions; PSC) | Providence, RI, USA | |2016| |
| Industrial Container Services (ACN-Providence; American Container Net; Russell-Stanley) | Smithfield, RI, USA | |2010| |2006| |2004| |2001| |
| Geib Refining Corp. | Warwick, RI, USA | |2022| |
| Stericycle | Woonsocket, RI, USA | |2021| |2020| |2016| |2012| |2009| |2007| |2004| |
| EnergySolutions (Chem-Nuclear Systems; Duratek; DSSI) | Barnwell, SC, USA | |2016| |2012| |2007| |2006| |2005| |2004| |2003| |2002| |2000| |1998| |
| Waste Connections Anderson Regional LF | Belton, SC, USA | |2015| |
| Republic Services Lee County LF | Bishopville, SC, USA | |2010| |
| Industrial Container Services (Moore Drums, Inc.) | Charleston, SC, USA | |1998| |
| Geocycle (VEXOR Technologies) | Dorchester, SC, USA | |2016| |2010| |
| WM Oakridge Landfill (Chambers) | Dorchester, SC, USA | |2022| |2013| |2011| |
| WM Richland County Landfill (Screaming Eagle Road LF) | Elgin, SC, USA | |2017| |2007| |
| Republic Upstate Regional Landfill | Enoree, SC, USA | |2019| |
| US Water Recovery, LLC | Goose Creek, SC, USA | |2015| |
| Safety-Kleen Systems, Inc. | Greer, SC, USA | |2022| |2019| |2004| |
| Giant Resource Recovery Co. (GRR!) | Harleyville, SC, USA | |2023| |2020| |2019| |2018| |2017| |2016| |2015| |2013| |2012| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2002| |2000| |1996| |
| Geocycle (Energis; Holcim; Holnam; Safety-Kleen) | Holly Hill, SC, USA | |2024| |2023| |2021| |2020| |2019| |2017| |2016| |2014| |2012| |2011| |2008| |2007| |2006| |2004| |2002| |1998| |1996| |
| Safety-Kleen Systems, Inc. (Lexington Recycle Center) | Lexington, SC, USA | |2022| |2021| |2019| |2018| |2016| |2013| |2011| |2010| |2007| |2006| |2004| |2000| |1999| |1996| |
| VLS Environmental Solutions (VLS Recovery Services LLC; Vopak Logistical Services) | Mauldin, SC, USA | |2024| |2022| |2019| |2014| |2011| |2009| |2007| |2005| |
| Safety-Kleen Systems, Inc. (Laidlaw) | Pinewood, SC, USA | |1999| |1996| |
| Philip Environmental Services (PetroChem; ThermalKem) | Rock Hill, SC, USA | |1995| |
| Clean Harbors (Safety-Kleen; Laidlaw Environmental Services) | Roebuck, SC, USA | |1996| |
| Global Investment Recovery, Inc. | Salley, SC, USA | |2012| |
| BASF Catalysts (Engelhard Industries) | Seneca, SC, USA | |2011| |2006| |2002| |2000| |
| Cleanlites Recycling South, LLC (USA Lamp and Ballast Recycling, Inc. dba Cleanlites) | Spartanburg, SC, USA | |2024| |2021| |2016| |2012| |
| Giant Resource Recovery (Southeastern Chemical; OMNI; GRR!) | Sumter, SC, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2016| |2015| |2014| |2013| |2011| |2010| |2009| |2008| |2006| |2004| |2003| |2000| |1997| |
| KilnDirect Materials Recovery Facility (Sumter Transport) | Sumter, SC, USA | |2023| |2019| |
| Industrial Container Services | Taylors, SC, USA | |2017| |
| CMEG, Inc. (Clean Management Environmental Group) | Walterboro, SC, USA | |2015| |
| WM Palmetto Landfill | Wellford, SC, USA | |2012| |2008| |2007| |2005| |
| Waste Management LampTracker Inc (Earth Protection Services, Inc.) | Williamston, SC, USA | |2023| |2020| |2018| |2016| |2014| |2013| |2011| |2004| |
| Sioux Falls Municipal Sanitary Landfill | Hartford, SD, USA | |2014| |
| Safety-Kleen Systems, Inc. | Sioux Falls, SD, USA | |2024| |
| Recycle Aerosol L.L.C. (Returns Distribution Specialists L.L.C.) | Bells, TN, USA | |2017| |
| Dynamic Recycling, LLC (MXI Environmental) | Bristol, TN, USA | |2024| |2020| |2017| |
| Clean Harbors (Safety-Kleen Corporation; Hydrotech - Plant 1) | Chattanooga, TN, USA | |2002| |
| Clean Harbors (Safety-Kleen Corporation; Hydrotech) | Chattanooga, TN, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2014| |2012| |2011| |2010| |2008| |2005| |2002| |
| Safety-Kleen Systems, Inc. (Hixon Transfer Station) | Chattanooga, TN, USA | |2021| |1999| |
| Universal Environmental Services | Chattanooga, TN, USA | |2020| |
| Solomon Corporation | Decatur, TN, USA | |2014| |
| Shapiro Recycling Systems (Dickson Scrap Metal Recycling) | Dickson, TN, USA | |2012| |
| Clean Harbors | Greenbrier, TN, USA | |2006| |2003| |
| WM Chestnut Ridge Landfill | Heiskell, TN, USA | |2020| |2007| |
| Lighting Resources, LLC (Airbag Processing Facility) | Johnson City, TN, USA | |2019| |
| Diversified Scientific Services, Inc. (DSSI) | Kingston, TN, USA | |2022| |2020| |2018| |2017| |2016| |2014| |2012| |2010| |2008| |2007| |2005| |2002| |
| Universal Environmental Services | Kingston, TN, USA | |2020| |
| Domermuth Environmental Services | Knoxville, TN, USA | |2002| |
| Heritage-Crystal Clean | Knoxville, TN, USA | |2022| |
| Safety-Kleen Systems, Inc. | Knoxville, TN, USA | |2022| |
| Heritage-Crystal Clean | La Vergne, TN, USA | |2022| |
| Sims Recycling Solutions | La Vergne, TN, USA | |2024| |2021| |2018| |2016| |
| WM Cedar Ridge Landfill | Lewisburg, TN, USA | |2007| |
| Cummings Environmental (Cummings Marine Transportation) | Memphis, TN, USA | |2006| |
| Domermuth Environmental Services | Memphis, TN, USA | |2007| |2002| |
| Economy Boat Store (Radcliff/Economy) | Memphis, TN, USA | |2006| |
| Excel TSD of Tennessee, L.L.C. | Memphis, TN, USA | |2023| |2010| |2004| |
| Heritage-Crystal Clean (FCC Environmental; Hydrocarbon Recovery Services, Siemens Water, US Filter) | Memphis, TN, USA | |2022| |2019| |2015| |
| Jabil, Inc. | Memphis, TN, USA | |2019| |
| Perma Fix of Memphis | Memphis, TN, USA | |2004| |
| Stericycle | Memphis, TN, USA | |2021| |
| Studsvik Processing Facility Memphis, LLC (Race LLC) | Memphis, TN, USA | |2011| |2004| |
| Valicor Environmental Services | Memphis, TN, USA | |2020| |
| Republic North Shelby Landfill (Allied Waste North Shelby Landfill) | Millington, TN, USA | |2022| |2015| |2004| |
| Safety-Kleen Systems, Inc. (Laidlaw Environmental Services, Inc.) | Millington, TN, USA | |2022| |2019| |
| Tradebe Treatment and Recycling of TN, LLC (Pollution Control Industries of Tennessee; PCI) | Millington, TN, USA | |2023| |2022| |2019| |2018| |2017| |2015| |2013| |2012| |2010| |2008| |2005| |2002| |
| VLS-Armor, LLC (Armor Environmental; Allworth; Rollins) | Mount Pleasant, TN, USA | |2024| |2021| |2016| |2010| |1996| |
| Republic Services Middle Point LF (Allied Waste; BFI) | Murfreesboro, TN, USA | |2015| |2010| |
| Universal Environmental Services (Universal Refining) | Murfreesboro, TN, USA | |2021| |
| Combined Resources Inc. (CRI of Tennessee Inc.) | Nashville, TN, USA | |2012| |
| Onsite Environmental (Green Tree Processing) | Nashville, TN, USA | |2011| |
| Safety-Kleen Systems, Inc. (Nashville Transfer Facility) | Nashville, TN, USA | |2021| |2018| |2012| |
| Waste Industries (Titan Waste Services) | Nashville, TN, USA | |2011| |
| WM Southern Services Landfill | Nashville, TN, USA | |2019| |
| EnergySolutions (Duratek Services; GTS Duratek) | Oak Ridge, TN, USA | |2022| |2018| |2017| |2016| |2015| |2014| |2012| |2010| |2009| |2007| |2005| |2002| |
| IMPACT Services, Inc. (Secure Support Facility) | Oak Ridge, TN, USA | |2010| |
| NAC Philotechnics, Ltd. | Oak Ridge, TN, USA | |2024| |
| Toxco Material Management Center (TMMC) (US Ecology; Quadrex) | Oak Ridge, TN, USA | |2017| |2012| |
| Safety-Kleen Systems, Inc. | Piney Flats, TN, USA | |2021| |2018| |
| Mastermelt America LLC | Sweetwater, TN, USA | |2021| |2017| |2013| |
| Heraeus Precious Metals North America LLC (Heraeus Metal Processing Inc.) | Wartburg, TN, USA | |2023| |2019| |2013| |2009| |
| Abilene Environmental Landfill | Abilene, TX, USA | |2013| |
| Republic Abilene Regional LF (Allied Waste; BFI) | Abilene, TX, USA | |2024| |2017| |2012| |
| Safety-Kleen Systems, Inc. | Abilene, TX, USA | |2023| |2020| |
| Clean Harbors (Safety-Kleen) | Altair, TX, USA | |1999| |
| Waste Connections Turkey Creek Landfill (IESI) | Alvarado, TX, USA | |2020| |
| WM Coastal Plains RDF (Waste Management, Inc.) | Alvin, TX, USA | |2022| |2020| |2019| |2017| |2015| |2014| |2013| |2010| |2007| |2004| |
| Safety-Kleen Systems, Inc. | Amarillo, TX, USA | |2024| |2020| |2012| |
| Republic Services Gulf West Landfill (Allied Waste; BFI Gulf West) | Anahuac, TX, USA | |2021| |2019| |2016| |2014| |2011| |2010| |2008| |2006| |2004| |2003| |2001| |2000| |
| Twin Oaks Landfill | Anderson, TX, USA | |2019| |
| EcoServ (Newpark Environmental Services; Andrews Station; Permian Basin LP; Grimmett Brothers Lease) | Andrews, TX, USA | |2014| |2010| |
| Lotus LLC (Norm Disposal Site) | Andrews, TX, USA | |2018| |2015| |2011| |
| Waste Control Specialists (WCS) | Andrews, TX, USA | |2022| |2019| |2016| |2013| |2008| |2005| |2003| |2000| |
| Seabreeze Environmental Services | Angleton, TX, USA | |2021| |2020| |2017| |2014| |2012| |2008| |
| Apto Solutions | Austin, TX, USA | |2022| |
| M&K Recovery Group | Austin, TX, USA | |2023| |2019| |
| Round2 Inc. | Austin, TX, USA | |2011| |
| WM Austin Community Landfill | Austin, TX, USA | |2018| |
| Chemical Reclamation Services (Philip Services Corporation; CRS) | Avalon, TX, USA | |2023| |2019| |2017| |2015| |2012| |2011| |2008| |2005| |2003| |2001| |1999| |
| Republic CSC Landfill | Avalon, TX, USA | |2000| |
| Cedar Marine Terminals | Baytown, TX, USA | |2021| |2017| |
| Clean As New | Baytown, TX, USA | |2020| |
| Heritage-Crystal Clean (FCC Environmental; Hydrocarbon Recovery Services, Inc.; Siemens; USFilter; Mobley) | Baytown, TX, USA | |2022| |2021| |2018| |2017| |2014| |2012| |2010| |2008| |2006| |2005| |2003| |2000| |
| HPP Materials, Inc. (Houston Products Processing Inc. Concrete Operations) | Baytown, TX, USA | |2020| |2017| |2013| |
| United Energy Group (United Environmental Services) | Baytown, TX, USA | |2017| |2012| |
| West Texas Drum | Baytown, TX, USA | |2021| |2017| |2004| |
| WM Baytown LF (Waste Management, Inc.) | Baytown, TX, USA | |2021| |2018| |2012| |2009| |2000| |
| Bison Specialty Services LLC | Beaumont, TX, USA | |2017| |
| Chemtrade Refinery Services (Peak Chemical) | Beaumont, TX, USA | |2007| |
| HydroChem | Beaumont, TX, USA | |2017| |
| Republic Golden Triangle Landfill (Allied Waste; BFI Waste Services of Beaumont) | Beaumont, TX, USA | |2023| |2016| |2015| |2011| |2008| |2005| |
| Wrights Scrap Metal & Recycling | Beaumont, TX, USA | |2014| |
| Ecoserv (Newpark Permian Basin) | Big Spring, TX, USA | |2015| |
| Thermo Fluids (E & E Enterprise) | Brownfield, TX, USA | |2014| |2011| |2004| |2002| |
| City of Brownwood Landfill | Brownwood, TX, USA | |2020| |
| R360 Environmental Solutions (US Liquids of Louisiana) | Bustamante, TX, USA | |2023| |2016| |2012| |2000| |
| Zodiac Enterprises, LLC | Caldwell, TX, USA | |2017| |2013| |
| Republic Southwest Landfill (BFI; Southwest LF) | Canyon, TX, USA | |2022| |2017| |2013| |2007| |
| Echo Environmental | Carrollton, TX, USA | |2021| |
| EG Metals Inc. | Carrollton, TX, USA | |2018| |
| Sharps Environmental Services | Carthage, TX, USA | |2017| |2013| |
| Clean-Co Systems | Channelview, TX, USA | |2016| |
| Specialized Waste Systems, Inc. | Channelview, TX, USA | |2018| |
| Stericycle (BFI Medical Waste) | Conroe, TX, USA | |2020| |2015| |2011| |2006| |2003| |2000| |
| Union Processing Systems | Conroe, TX, USA | |2021| |
| WM Western Waste Reclamation No. 7 (Conroe 7 Industrial Waste Landfill) | Conroe, TX, USA | |2018| |2012| |
| Round2 Inc. | Coppell, TX, USA | |2011| |
| Encycle/Texas | Corpus Christi, TX, USA | |2000| |1996| |
| Safety-Kleen Systems, Inc. | Corpus Christi, TX, USA | |2019| |2006| |
| Southwest Land and Marine (Makers Oil Corporation) | Corpus Christi, TX, USA | |2016| |
| TM Corpus Christi Services, LLC (Texas Molecular; Disposal Systems of CC) | Corpus Christi, TX, USA | |2024| |2020| |2016| |2013| |2011| |2010| |2007| |2005| |2003| |
| FCC Environmental (USFilter Recovery Services, Inc.; Mobley) | Corsicana, TX, USA | |2006| |2002| |1998| |
| Stericycle | Dale, TX, USA | |2017| |2011| |
| Clean Earth Environmental Solutions (Stericycle Environmental Solutions; PSC Recovery Systems; National Waste; Allwaste) | Dallas, TX, USA | |2021| |2018| |2013| |2010| |2002| |1998| |
| Heritage-Crystal Clean (Dallas Branch) | Dallas, TX, USA | |2024| |
| Sims Recycling Solutions | Dallas, TX, USA | |2013| |
| Teris LLC (dba HEAT Treatment Services; Teris; Rhodia) | Dallas, TX, USA | |2003| |2001| |1998| |
| Gulf Coast Industrial Wells (Enviornmental Processing Systems) | Dayton, TX, USA | |2022| |
| Clean Harbors (Rollins; Safety-Kleen) | Deer Park, TX, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2002| |2001| |2000| |1999| |1998| |1995| |
| TM Deer Park Services LLC (Texas Molecular; Disposal Systems; GNI Group) | Deer Park, TX, USA | |2024| |2023| |2021| |2019| |2018| |2016| |2015| |2014| |2012| |2010| |2009| |2008| |2006| |2005| |2002| |2000| |1999| |1997| |
| Vopak Terminal Deer Park Inc. (Vopak Logistic Services; Empak) | Deer Park, TX, USA | |2016| |2005| |2003| |2000| |1997| |
| Safety-Kleen Systems, Inc. | Denton, TX, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2005| |2004| |2003| |2001| |1999| |1997| |1996| |
| WM Newton County LF (Western Waste of TX Newton Complex) | Deweyville, TX, USA | |2022| |2018| |2015| |2012| |2008| |
| Republic Services Rio Grande Valley LF | Donna, TX, USA | |2011| |
| Republic Services La Gloria Landfill | Edinburg, TX, USA | |2023| |
| Safety Kleen | El Paso, TX, USA | |2023| |
| Thermo-Fluids, Inc. | El Paso, TX, USA | |2023| |2020| |
| WM Skyline Landfill | Ferris, TX, USA | |2020| |
| Electronic Recyclers International, Inc. (ERI) | Flower Mound, TX, USA | |2022| |
| Lighting Resources Texas, LLC (Environmental Lamp Recyclers) | Fort Worth, TX, USA | |2023| |2022| |2019| |2016| |
| ReCellular | Fort Worth, TX, USA | |2005| |
| Safety-Kleen Systems, Inc. | Fort Worth, TX, USA | |2023| |
| Southwest Paper Stock, Inc. | Fort Worth, TX, USA | |2018| |
| Universal Recycling Technologies (URT) | Fort Worth, TX, USA | |2022| |2015| |
| Universal Recycling Technologies (URT; Environmental Light Recyclers) | Fort Worth, TX, USA | |2013| |2010| |2007| |2004| |2001| |
| Gladieux Metals Recycling (Gulf Chemical & Metallurgical) | Freeport, TX, USA | |2021| |2015| |2014| |2013| |2010| |2008| |2006| |2005| |2002| |1999| |
| Vernor Material & Equipment | Freeport, TX, USA | |2022| |
| Republic Services Blue Ridge LF (Blue Ridge Landfill) | Fresno, TX, USA | |2020| |2016| |2013| |
| Exide Technologies | Frisco, TX, USA | |2011| |2006| |2005| |2002| |
| Industrial Container Services (ACN-Burbank; Burbank Barrel) | Galena Park, TX, USA | |2022| |2018| |2015| |2012| |2007| |
| US Liquids of Louisiana (Pelican Island Transfer Facility) | Galveston, TX, USA | |2011| |2008| |
| Stericycle | Garland, TX, USA | |2020| |
| Lynco Oil Services (Makers Oil Corporation) | Giddings, TX, USA | |2016| |
| Global Electric Electronic Processing (GEEP) | Grand Prairie, TX, USA | |2015| |
| Brushy Creek Well No. 9 | Hallettsville, TX, USA | |2011| |
| Safety-Kleen Systems, Inc. | Haltom City, TX, USA | |2024| |2020| |2011| |
| EcoServ (Newpark Environmental Services; Fannett Facility) | Hamshire, TX, USA | |2012| |2009| |2006| |2002| |1999| |
| VLS Environmental Solutions (Vopak Logistical Services USA) | Hockley, TX, USA | |2024| |2020| |
| CalCorp Resources Inc. | Houston, TX, USA | |2017| |
| Eco Services Operations LLC (Solvay USA; Rhodia Inc.; Rhone-Poulenc; Dominguez Plant) | Houston, TX, USA | |2024| |2021| |2019| |2016| |2013| |2011| |2010| |2008| |2006| |2005| |2002| |2000| |1998| |1996| |
| Evans Houston (Evans Cooperage) | Houston, TX, USA | |1999| |
| Evoqua Water Technologies | Houston, TX, USA | |2020| |
| Heritage-Crystal Clean | Houston, TX, USA | |2023| |2019| |
| Houston Products Processing Inc. Concrete Operations (HPP; Houston Crushed Concrete) | Houston, TX, USA | |2011| |
| Liquid Environmental Solutions (LES) | Houston, TX, USA | |2023| |2017| |2011| |2004| |
| Lone Star Disposal | Houston, TX, USA | |2016| |
| National Container Group LLC (NCG) | Houston, TX, USA | |2016| |
| NSSI/Recovery Services, Inc. (Nuclear Sources and Services, Inc.) | Houston, TX, USA | |2023| |2021| |2020| |2019| |2018| |2017| |2015| |2013| |2012| |2010| |2008| |2006| |2005| |2004| |2003| |2000| |
| Parkans International (RCRA Facility) | Houston, TX, USA | |1997| |
| Philip Reclamation Services (Clean Earth Environmental Solutions; Stericycle Environmental Solutions; Eltex Chemical) | Houston, TX, USA | |2023| |2020| |2018| |2016| |2015| |2012| |2008| |2005| |2002| |
| Proler Southwest dba Sims Metal Management (Hirsch Road Non-Ferrous Facility) | Houston, TX, USA | |2018| |
| Republic McCarty Road Landfill (Allied Waste; BFI McCarty Road) | Houston, TX, USA | |2022| |2020| |2017| |2013| |2010| |2008| |2006| |2004| |1998| |
| Select Environmental (O`Rourke Petroleum) | Houston, TX, USA | |2022| |2017| |
| SepraMet, Ltd. (IBC Advanced Technologies) | Houston, TX, USA | |2007| |
| SET Environmental, Inc. (Treatment One Division) | Houston, TX, USA | |2024| |2023| |2022| |2021| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2003| |2001| |
| Spectrum Metal Recycling | Houston, TX, USA | |2020| |
| Stolthaven | Houston, TX, USA | |2022| |2006| |
| WM Recycle America, L.L.C. (Clay Road MRF; Gulf Coast Recycling) | Houston, TX, USA | |2012| |
| WM Atascocita RDF | Humble, TX, USA | |2024| |2021| |2019| |2016| |2014| |2012| |2010| |2006| |2002| |
| Progressive Waste Solutions Buffalo Creek LF (IESI) | Iowa Park, TX, USA | |2013| |
| Heritage-Crystal Clean (Dallas Branch) | Irving, TX, USA | |2020| |
| Safety-Kleen Systems, Inc. | Irving, TX, USA | |2024| |2020| |2013| |
| Republic Services Itasca Landfill (BFI Itasca Landfill) | Itasca, TX, USA | |2021| |2016| |2013| |2010| |2007| |2004| |1998| |
| Recycalyst Technologies (Parkans International) | Jacinto City, TX, USA | |2000| |1998| |
| Heritage-Crystal Clean (Hydrocarbon Recovery Services; Mobley; US Filter) | Kilgore, TX, USA | |2023| |2020| |2017| |2016| |2012| |2008| |1998| |
| Inland Products | Kilgore, TX, USA | |2011| |2007| |2000| |1997| |
| Clean Harbors (Safety-Kleen; Laidlaw) | La Porte, TX, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2006| |2005| |2003| |2001| |2000| |1998| |
| Ohmstede Ltd. | La Porte, TX, USA | |2020| |
| Reworld Advanced Processing (Circon Environmental; Intergulf) | La Porte, TX, USA | |2024| |2021| |2017| |2016| |2012| |
| WM DFW Landfill (WM of North Texas) | Lewisville, TX, USA | |2021| |2018| |2015| |2000| |
| Trinity Moss Bluff Facility (Trinity Caverns) | Liberty, TX, USA | |2014| |2010| |2006| |
| Alpha Omega Recycling Inc. | Longview, TX, USA | |2024| |2023| |2021| |2019| |2018| |2014| |2011| |2005| |2002| |
| Republic Pinehill Landfill (Allied Waste) | Longview, TX, USA | |2022| |2018| |2014| |2009| |
| Safety-Kleen Systems, Inc. | Longview, TX, USA | |2024| |2020| |2017| |2014| |2013| |
| Heritage-Crystal Clean | Lubbock, TX, USA | |2023| |
| Nix Electric Co., Inc. (NECO) | Lubbock, TX, USA | |2009| |
| Heritage-Crystal Clean (FCC Environmental; US Filter Recovery Services) | Luling, TX, USA | |2024| |2020| |2018| |
| Safety-Kleen Systems, Inc. | McAllen, TX, USA | |2022| |2019| |2017| |
| ECS Refining LLC | Mesquite, TX, USA | |2013| |
| Safety-Kleen Systems, Inc. | Midland, TX, USA | |2023| |2020| |2015| |2007| |
| Martin Marietta Midlothian Cement Plant (TXI Operations; Texas Industries, Inc) | Midlothian, TX, USA | |2008| |2007| |2005| |2003| |2001| |1999| |
| Strategic Materials | Midlothian, TX, USA | |2013| |
| Safety-Kleen Systems, Inc. | Missouri City, TX, USA | |2022| |2019| |2016| |
| Envirosolutions | Mont Belvieu, TX, USA | |2017| |2009| |2005| |
| Republic Services Pleasant Oaks Landfill | Mount Pleasant, TX, USA | |2019| |2011| |
| GFL Fort Bend Regional Landfill | Needville, TX, USA | |2023| |2017| |
| Martin Marietta Hunter Cement Plant (TXI Operations; Texas Industries, Inc) | New Braunfels, TX, USA | |2004| |
| WM Mesquite Creek Landfill (Comal County Landfill) | New Braunfels, TX, USA | |2017| |
| Westex Systems | Notrees, TX, USA | |2004| |
| Heritage-Crystal Clean (FCC Environmental; Siemens Water Technologies) | Odessa, TX, USA | |2017| |2013| |
| Republic Charter Waste Management | Odessa, TX, USA | |2022| |2017| |2014| |2013| |2006| |
| West Texas Drum | Odessa, TX, USA | |2018| |2013| |2004| |
| Heritage Thermal of Texas | Orange, TX, USA | |2023| |
| Houston Products Processing (HPP) | Orange, TX, USA | |2024| |
| Safety-Kleen Systems, Inc. | Orange, TX, USA | |2019| |2012| |2007| |2003| |
| R360 Environmental Solutions LLC | Orla, TX, USA | |2020| |
| Alpha Technical Services | Pasadena, TX, USA | |2010| |
| Eurecat, US Inc. | Pasadena, TX, USA | |2022| |2019| |2017| |2015| |2013| |2011| |2008| |2005| |2002| |
| Gulf Coast Authority (Gulf Coast Waste Disposal Authority; Bayport Facility) | Pasadena, TX, USA | |2021| |2017| |
| Pasadena Skid and Pallets, Inc. | Pasadena, TX, USA | |2022| |2016| |
| Reworld Advanced Processing (Circon Environmental; Intergulf Corporation) | Pasadena, TX, USA | |2024| |2023| |2021| |2020| |2018| |2016| |2015| |2013| |2010| |2007| |
| Reworld Bay Park TSDF (Circon; Intergulf; Lonestar Ecology) | Pasadena, TX, USA | |2024| |2021| |2017| |
| Schuetz Container Systems, Inc. (Cardinal Container) | Pasadena, TX, USA | |2024| |2019| |
| Techemet LLP | Pasadena, TX, USA | |2022| |2007| |
| Milestone Environmental Services | Pecos, TX, USA | |2020| |
| Republic Services TRD and Landfill | Pecos, TX, USA | |2020| |
| Nickco Recycling | Pittsburg, TX, USA | |2005| |
| Ecoserv (Newpark Environmental Services; Port Arthur Processing Facility) | Port Arthur, TX, USA | |2020| |2015| |2013| |2011| |2008| |2002| |1999| |
| Veolia ES Technical Solutions (Onyx Environmental Services; CWM; USA Waste) | Port Arthur, TX, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2002| |2000| |1998| |1996| |
| Waste Facilities, Inc. | Premont, TX, USA | |2016| |2013| |2004| |
| Midstate Environmental Services (Midstate Oil) | Robstown, TX, USA | |2017| |
| Republic Services El Centro Landfill (Allied Waste; BFI) | Robstown, TX, USA | |2024| |2018| |2014| |2010| |
| US Ecology Texas, Inc. (Texas Ecologists) | Robstown, TX, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2011| |2010| |2008| |2006| |2004| |2003| |2001| |1999| |
| Alamo Transformer Supply Company | San Antonio, TX, USA | |2006| |
| Republic Services Tessman Road LF (Allied Waste; BFI) | San Antonio, TX, USA | |2020| |2016| |2011| |
| Safety-Kleen Systems, Inc. (USPCI/Laidlaw) | San Antonio, TX, USA | |2023| |2019| |2013| |
| Thermo Fluids, Inc. | San Antonio, TX, USA | |2023| |
| WM Covel Gardens Landfill | San Antonio, TX, USA | |2018| |2012| |
| Clean Harbors (DuraTherm) | San Leon, TX, USA | |2024| |2021| |2019| |2017| |2015| |2013| |2011| |2010| |2008| |2006| |2005| |2004| |2003| |2000| |
| Heritage-Crystal Clean | Schertz, TX, USA | |2023| |2020| |
| Medsharps, LLC | Schertz, TX, USA | |2022| |
| Midwestern Reclamation | Snyder, TX, USA | |2017| |2013| |2009| |2005| |
| Snyder Municipal Landfill | Snyder, TX, USA | |2017| |
| Heritage-Crystal Clean (FCC Environmental; Hydrocarbon Recovery Services; USFilter; Procycle) | Springtown, TX, USA | |2021| |2018| |2015| |2013| |2011| |2008| |2005| |2000| |
| Conecsus, LLC (ECS Texas Refining) | Terrell, TX, USA | |2013| |2006| |
| Stericycle | Terrell, TX, USA | |2001| |
| Valicor Environmental Services (Agricultural Services, Inc.) | Texarkana, TX, USA | |2021| |
| Dunn Heat Exchangers, Inc. | Texas City, TX, USA | |2020| |2013| |
| Gulf Coast Authority (Gulf Coast Waste Disposal Authority; Campbell Bayou Facility) | Texas City, TX, USA | |2021| |2017| |2003| |
| Gulf Coast Authority (40 Acre Facility) | Texas City, TX, USA | |2022| |2017| |
| Victoria Landfill TX, LP (Republic Services; Allied Waste) | Victoria, TX, USA | |2018| |2010| |2005| |
| WM Lacy Lakeview Landfill | Waco, TX, USA | |2020| |
| USAg Recycling, Inc. | Waller, TX, USA | |2022| |2016| |
| Sabine Environmental Services, LLC | Wallisville, TX, USA | |2023| |2019| |
| Top Cat Truck Washing | Waskom, TX, USA | |2014| |
| Cascade Eco Minerals (Dlubak Glass Texas) | Waxahachie, TX, USA | |2012| |
| Cactus Reclamation | Wilmer, TX, USA | |2022| |
| EcoServ Environmental Services (Newpark Environmental Services; Big Hill Norm Site) | Winnie, TX, USA | |2022| |2017| |2013| |2010| |2009| |2006| |2002| |1999| |
| Petrofuels Quality Marketing (EnviroSolutions) | Winnie, TX, USA | |2013| |
| US Ecology (EcoServ; Newpark Industrial Disposal; Big Hill Non-Hazardous Industrial Disposal Site) | Winnie, TX, USA | |2023| |2020| |2016| |2013| |2007| |
| Clean Harbors (Safety-Kleen; APTUS; Laidlaw) | Aragonite, UT, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2002| |2001| |2000| |1999| |1998| |1996| |
| Clean Harbors (Safety-Kleen; Laidlaw; USPCI) | Clive, UT, USA | |2023| |2019| |2016| |1996| |
| EnergySolutions (Envirocare of Utah) | Clive, UT, USA | |2024| |2023| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2007| |2006| |2005| |2003| |2000| |
| Duchesne-Wasatch County Bluebench Landfill | Duchesne, UT, USA | |2018| |
| Integrated Water Management (Uintah Basin Facility) | Duchesne, UT, USA | |2018| |
| ECDC Environmental, LLC (East Carbon Development Corp.) | East Carbon, UT, USA | |2024| |2019| |2011| |2005| |2000| |
| Clean Harbors (Grassy Mountain; Safety-Kleen; USPCI; Laidlaw) | Knolls, UT, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2009| |2008| |2006| |2004| |2003| |2002| |2000| |1998| |
| Wasatch Integrated Waste Mgmt Dist Davis County Landfill (WIWMD) | Layton, UT, USA | |2006| |
| Wasatch Integrated Waste Mgmt Dist Energy Facility (WIWMD; Davis Energy Recovery Facility) | Layton, UT, USA | |2012| |2006| |
| Stericycle | North Salt Lake, UT, USA | |2019| |2017| |2016| |2015| |2014| |2012| |2011| |2008| |2005| |2002| |
| Veolia ES Technical Solutions (Onyx Environmental Services) | North Salt Lake, UT, USA | |2015| |2011| |
| Republic Wasatch Region LF | North Skull Valley, UT, USA | |2010| |
| RNI Dalbo, Inc. (RNI Bluebell Facility Evaporation Ponds) | Roosevelt, UT, USA | |2012| |
| E.T. Technologies (Soils Regeneration Site) | Salt Lake City, UT, USA | |2017| |
| RWM Utah | Salt Lake City, UT, USA | |2013| |
| Safety-Kleen Systems, Inc. (Pioneer Facility) | Salt Lake City, UT, USA | |2021| |2018| |2014| |2010| |
| Thermo Fluids | Salt Lake City, UT, USA | |2024| |2019| |
| RNI Dalbo, Inc. (Glen Bench Disposal Facility) | Uintah County, UT, USA | |2012| |
| RNI Dalbo, Inc. (Ace Oilfield Disposal, Inc.) | Vernal, UT, USA | |2012| |
| Clean Earth Specialty Waste Solutions (Stericycle Environmental Solutions; Allwaste; 21st Century Environmental Management) | Woods Cross, UT, USA | |2013| |
| MXI Environmental Services (Latex Facility) | Abingdon, VA, USA | |2024| |2019| |
| FCC Environmental (Hydrocarbon Recovery Services; Siemens Water, USFilter) | Alexandria, VA, USA | |2008| |
| Reworld (Covanta) | Alexandria, VA, USA | |2016| |
| Giant Resource Recovery Co. (GRR!; Oldover Corporation) | Arvonia, VA, USA | |2008| |2004| |1999| |
| AERC Recycling Solutions (AERC.com, Inc.) | Ashland, VA, USA | |2010| |
| Giant Resource Recovery (GRR; Virginia Solite; Oldover) | Cascade, VA, USA | |2000| |
| Safety-Kleen Systems, Inc. | Chester, VA, USA | |2022| |2018| |2015| |2004| |
| Fortune Nanjing Jinze (USA) Inc. | Fredericksburg, VA, USA | |2022| |
| WM Middle Peninsula Landfill | Glenns, VA, USA | |2018| |2015| |
| WM Maplewood Recycling & Waste Disposal Facility (Amelia LF) | Jetersville, VA, USA | |2024| |2019| |2010| |
| WM King George County Landfill | King George, VA, USA | |2018| |2015| |
| Brunswick Waste Management Facility (Allied Waste Systems) | Lawrenceville, VA, USA | |2003| |
| Republic King and Queen LF | Little Plymouth, VA, USA | |2017| |
| Heritage-Crystal Clean | Lorton, VA, USA | |2023| |2020| |
| Reworld Fairfax (Covanta; Ogden-Martin) | Lorton, VA, USA | |2024| |
| Battle Creek Landfill | Luray, VA, USA | |2019| |
| Heritage-Crystal Clean | Montvale, VA, USA | |2022| |2019| |
| KmX Corporation | New Church, VA, USA | |2005| |
| American Waste Industries, Inc. | Norfolk, VA, USA | |2004| |
| GE Water & Process Technologies (Ecolochem, Inc; General Electric Power & Electric Resin Regeneration Facility) | Norfolk, VA, USA | |2017| |
| HEPACO (Industrial Marine Services) | Norfolk, VA, USA | |2021| |2012| |
| Heritage-Crystal Clean | Norfolk, VA, USA | |2022| |2019| |
| Accurate Marine Environmental | Portsmouth, VA, USA | |2017| |
| Wheelabrator Portsmouth Inc (Southeastern Public Service Authority; Refuse-Derived Fuel Plant) | Portsmouth, VA, USA | |2016| |2010| |
| Clean Harbors Environmental Services, Inc. | Prince George, VA, USA | |2006| |
| AERC Recycling Solutions (Com-Cycle) | Richmond, VA, USA | |2020| |
| Reco Biotechnology (Aqua Clean Environmental; USA Waste) | Richmond, VA, USA | |2016| |2001| |
| Republic Services Old Dominion LF | Richmond, VA, USA | |2010| |
| First Piedmont Landfill | Ringgold, VA, USA | |2024| |
| Heritage-Crystal Clean (FCC Environmental; Hydrocarbon Recovery Services; Siemens) | Rockville, VA, USA | |2022| |2019| |2016| |2012| |
| Safety-Kleen Systems, Inc. | Vinton, VA, USA | |2021| |
| WM Atlantic Waste Disposal & LF | Waverly, VA, USA | |2017| |
| Safety-Kleen Systems, Inc. | Barre, VT, USA | |2024| |
| Chittenden Solid Waste District (CSWD) | South Burlington, VT, USA | |2019| |
| ENPRO Services of Vermont, Inc (EVI) | Williston, VT, USA | |2016| |
| WM Greater Wenatchee Regional Landfill | East Wenatchee, WA, USA | |2018| |2016| |2012| |
| GDB International | Fife, WA, USA | |2024| |
| Burlington Environmental, LLC (Stericycle Environmental Solutions; PSC) | Kent, WA, USA | |2023| |2020| |2018| |2017| |2014| |2011| |2007| |2005| |2002| |
| Veolia ES Technical Solutions (Onyx Environmental Services) | Kent, WA, USA | |2015| |2011| |
| Heritage-Crystal Clean | Lakewood, WA, USA | |2022| |
| Safety-Kleen Systems, Inc. | Lynnwood, WA, USA | |2004| |
| Cedar Hills Regional Landfill | Maple Valley, WA, USA | |2012| |
| Stericycle | Morton, WA, USA | |2018| |2014| |2011| |2007| |
| Hallmark Refining Corp. | Mount Vernon, WA, USA | |2004| |
| Perma-Fix Northwest (Pacific Eco Solutions; Allied Technical Group) | Richland, WA, USA | |2022| |2014| |2007| |2005| |2002| |2000| |
| US Ecology Washington | Richland, WA, USA | |2022| |2017| |2013| |2011| |2008| |2007| |2005| |
| Republic Services Roosevelt Regional Landfill | Roosevelt, WA, USA | |2020| |2019| |2015| |2007| |
| Ecolights Northwest, LLC | Seattle, WA, USA | |2007| |
| Emerald Services | Seattle, WA, USA | |2024| |2020| |2017| |2012| |2008| |2004| |
| Emerald Services, Inc | Seattle, WA, USA | |2023| |2020| |
| Industrial Container Services (ICS Seattle) | Seattle, WA, USA | |2018| |
| Lafarge North America | Seattle, WA, USA | |2006| |
| Total Reclaim, Inc. | Seattle, WA, USA | |2018| |2014| |
| City of Spokane Waste to Energy | Spokane, WA, USA | |2022| |
| Emerald Services | Spokane, WA, USA | |2012| |
| Electronic Recyclers International | Sumner, WA, USA | |2017| |
| GreenSheen | Sumner, WA, USA | |2024| |
| Burlington Environmental, LLC (Clean Earth; Stericycle Environmental; PSC) | Tacoma, WA, USA | |2021| |2019| |2017| |2014| |2005| |
| Emerald Services | Tacoma, WA, USA | |2023| |2021| |2019| |2017| |2015| |2012| |2007| |2006| |
| Emerald Recycling | Vancouver, WA, USA | |2013| |
| Veolia ES Technical Solutions (Onyx Environmental Services) | Vancouver, WA, USA | |2015| |2011| |
| Barron County Waste to Energy & Recycling (Barron County Incinerator) | Almena, WI, USA | |2019| |
| WM Valley Trail RDF | Berlin, WI, USA | |2023| |2018| |
| WM Pheasant Run Landfill | Bristol, WI, USA | |2005| |
| Hydrite Chemical Co. | Cottage Grove, WI, USA | |2005| |2000| |
| WRR Environmental Service Company | Eau Claire, WI, USA | |2022| |2019| |2017| |2014| |2010| |2006| |2004| |2002| |1999| |
| Lamp Recyclers, Inc. | Green Bay, WI, USA | |2018| |
| Heritage-Crystal Clean | Hartland, WI, USA | |2024| |2020| |
| Veolia Hickory Meadows Landfill (Onyx) | Hilbert, WI, USA | |2011| |
| Safety-Kleen Systems, Inc. | Kaukauna, WI, USA | |2022| |2019| |
| EMCO Chemical Distributors Inc. (EMCO Waste Services) | Kenosha, WI, USA | |2022| |
| Safety-Kleen Systems, Inc. | Kimberly, WI, USA | |2023| |2020| |
| La Crosse County Landfill | La Crosse, WI, USA | |2014| |
| 5R Processors | Ladysmith, WI, USA | |2011| |
| Cascade Asset Management | Madison, WI, USA | |2022| |
| Safety-Kleen Systems, Inc. | Madison, WI, USA | |2022| |2019| |
| Brenntag Great Lakes (Milwaukee Solvents; Milsolv) | Menomonee Falls, WI, USA | |2005| |2001| |
| Veolia ES Technical Solutions (Onyx Environmental Services) | Menomonee Falls, WI, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2008| |2007| |2006| |2005| |2004| |2001| |
| WM Orchard Ridge Landfill | Menomonee Falls, WI, USA | |2005| |
| OSI Environmental, Inc. | Milwaukee, WI, USA | |2003| |
| Reworld (Covanta; ChemWorks; Advanced Waste Services) | Milwaukee, WI, USA | |2005| |
| Reworld (Covanta; Advanced Waste Services) | Milwaukee, WI, USA | |2023| |2020| |2018| |
| Tradebe Treatment and Recycling of Wisconsin (Badger Disposal of Wisconsin) | Milwaukee, WI, USA | |2022| |2019| |2015| |2007| |
| Veolia Emerald Park Landfill | Muskego, WI, USA | |2011| |
| Mid-America Steel Drum Co., Inc. | Oak Creek, WI, USA | |2023| |2019| |2016| |
| Dynamic Recycling | Onalaska, WI, USA | |2023| |
| Reworld (Covanta) | Oshkosh, WI, USA | |2020| |
| Veolia ES Technical Solutions (Onyx Environmental Services; Superior Special Services) | Port Washington, WI, USA | |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2001| |
| Chief Waste Treatment | Ripon, WI, USA | |2007| |
| Kitzinger Cooperage Corporation | St. Francis, WI, USA | |2008| |
| Mid-America Steel Drum | St. Francis, WI, USA | |2017| |
| Stericycle | Sturtevant, WI, USA | |2017| |2013| |2004| |
| WM Mercury Waste, Inc. (Mercury Waste Solutions) | Union Grove, WI, USA | |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2008| |2006| |2005| |2004| |2003| |2002| |
| Recycle Technologies, Inc. | Waukesha, WI, USA | |2002| |
| Safety-Kleen Systems, Inc. | Waukesha, WI, USA | |2022| |2019| |
| WM Timberline Trail RDF | Weyerhaeuser, WI, USA | |2018| |2012| |
| Reworld (Covanta; Chief Liquid Waste) | Winneconne, WI, USA | |2015| |2012| |
| WM Meadowfill Landfill | Bridgeport, WV, USA | |2023| |2019| |2018| |2017| |2011| |2005| |
| City of Charleston Landfill | Charleston, WV, USA | |2017| |
| Heritage-Crystal Clean | Charleston, WV, USA | |2023| |2020| |
| WM S&S Grading Landfill (Waste Management, Inc.) | Clarksburg, WV, USA | |2004| |
| WM LCS Services Landfill | Hedgesville, WV, USA | |2017| |2005| |
| Sycamore Landfill (Allied Waste Systems) | Hurricane, WV, USA | |2004| |
| WM Disposal Services Landfill | Hurricane, WV, USA | |2017| |
| AES Asset Acquisition Corporation (dba Clean Earth of Morgantown; American Environmental Services) | Morgantown, WV, USA | |2018| |2005| |
| DTC Environmental Services | Newell, WV, USA | |2007| |
| Catalyst Refiners Incorporated | Nitro, WV, USA | |2019| |
| West Virginia Cashin Recyclables | Nitro, WV, USA | |2017| |
| RJ Recycling | Parkersburg, WV, USA | |2013| |2008| |
| WM Northwestern Landfill | Parkersburg, WV, USA | |2024| |2011| |2005| |
| Midland Resource Recovery Inc. (MRRI) | Philippi, WV, USA | |2023| |2018| |2007| |
| Safety-Kleen Systems, Inc. | Poca, WV, USA | |2023| |
| Environmental Protection Services (EPS) | Wheeling, WV, USA | |2024| |2018| |2016| |
| City of Casper Landfill | Casper, WY, USA | |2023| |2018| |2015| |2012| |
| Tri State Oil Reclaimers, Inc. | Cheyenne, WY, USA | |2019| |
| Park County Regional Landfill | Cody, WY, USA | |2023| |
| Grasslands Environmental | Douglas, WY, USA | |2017| |
| Uinta County Landfill | Evanston, WY, USA | |2017| |2012| |2009| |
| Thermo Fluids | Gillette, WY, USA | |2018| |2015| |
| Glenrock Landfill | Glenrock, WY, USA | |2011| |
| Red Giant Oils (Tri-State Recycling Services) | Newcastle, WY, USA | |2015| |2011| |
| Powell Landfill (Park County Landfill) | Powell, WY, USA | |2018| |2015| |2011| |2005| |
| Kissack Water & Oil Service, Inc. (Kuehne Disposal Site) | Rozet, WY, USA | |2021| |
