| Facility Name (Alias/Former Names) | City, State, Country | Program Years |
| Advanced Waste and Water Technology (Environmental Waste Treatment LLC) | Farmingdale, NY, USA | |2022| |2016| |2011| |
| Al Bilad Catalyst Company (Eurecat) | Jubail, Eastern Province, Saudi Arabia | |2006| |
| Augean plc (East Northants Resource Management Facility) | Kings Cliffe, Northamptonshire, United Kingdom (England) | |2016| |
| BASF Metals (Engelhard Industries) | Seneca, SC, USA | |2025| |2011| |2006| |2002| |2000| |
| Clean Earth (EWS Alabama; C-MAC Environmental Group; Fisher Industrial Services) | Glencoe, AL, USA | |2024| |2022| |2016| |2010| |2005| |2001| |1998| |
| Conecsus, LLC (ECS Texas Refining) | Terrell, TX, USA | |2013| |2006| |
| Crystal Clean (Evoqua Water Technologies, LLC; Siemens Water Technologies; USFilter Recovery Services, Inc.) | Pompano Beach, FL, USA | |2023| |2020| |2007| |
| Desotec US (Evoqua; Siemens; Envirotrol; Siemens Water Technologies) | Darlington, PA, USA | |2023| |2020| |2018| |2016| |2013| |2012| |2010| |2009| |2007| |2006| |2005| |2004| |2001| |1998| |1995| |
| 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| |
| E Nano Incintech | Ramanagara, Karnataka, India | |2024| |
| E.T. Technologies (Soils Regeneration Site) | Salt Lake City, UT, USA | |2017| |
| Eag Geri Donusum San. Tic. A.S. | Sultangazi, Istanbul, Turkey | |2017| |
| Earth Sense Recycle Pvt. Ltd. | Maheshwaram, Telangana, India | |2023| |
| EarthMinded France (pack2pack; p2p) | Billy Berclau, Hauts-de-France, France | |2021| |2014| |
| East Peace Regional Waste Management Company | Peace River, AB, Canada | |2014| |
| East Penn Manufacturing | Lyon Station, PA, USA | |2024| |2020| |2017| |2015| |2014| |2013| |2011| |2009| |2006| |2004| |2001| |
| Eastern Organic Fertilizer Pvt. Ltd. (K.M.C Compost Plant) | Kolkata, West Bengal, India | |2024| |
| Eastern Seaboard Environmental Complex | Sri Racha, Chonburi, Thailand | |2023| |2007| |
| Eastman Kodak Solvent Reclamation | Rochester, NY, USA | |2020| |
| EBV Explosives Environmental Company (General Dynamics-OTS Munition Services; GD-OTS MS) | Carthage, MO, USA | |2024| |2021| |2018| |2012| |
| EC Waste Salinas Landfill (Sistema de Relleno Sanitario Municipio de Salinas) | Salinas, PR, USA | |2021| |
| ECDC Environmental, LLC (East Carbon Development Corp.) | East Carbon, UT, USA | |2024| |2019| |2011| |2005| |2000| |
| Echo Environmental | Carrollton, TX, USA | |2021| |
| Eco | International (Amandi; Envirocycle) | Vestal, NY, USA | |2008| |
| Eco Keikaku Co. Ltd. - Ranzan | Hiki, Saitama, Japan | |2023| |
| Eco Keikaku Co. Ltd. - Yorii | Yorii, Saitama, Japan | |2023| |
| ECO Mastermelt Pte. Ltd. | Tuas, Singapore | |2022| |2020| |
| Eco Oil | Haifa, Haifa, Israel | |2017| |
| Eco Services Operations LLC (Solvay USA; Rhodia Inc.; Rhone-Poulenc; Dominguez Plant) | Hammond, IN, USA | |2022| |1999| |
| 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| |
| 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| |
| ECO Special Waste Management Pte. Ltd. | Tuas, Singapore | |2025| |2022| |2019| |2016| |2013| |2007| |
| Eco Termo of Central America, Inc | Amatitlan, Guatemala, Guatemala | |2017| |2011| |
| Eco-Bat Indiana, LLC (dba Quemetco, Inc.; Revere Smelting & Refining) | Indianapolis, IN, USA | |2018| |2013| |2005| |
| Ecobat Resources (Revere Smelting & Refining; RSR-Quemetco) | Middletown, NY, USA | |2024| |2018| |2013| |2005| |
| Ecocycle | Landsdale, Western Australia, Australia | |2023| |
| ECOFLO, Inc. | Greensboro, NC, USA | |2024| |2022| |2017| |2012| |2008| |2006| |2005| |2003| |2001| |1998| |
| Ecogestiones Olecar S.A. | Melo, Cerro Largo, Uruguay | |2024| |
| Ecolights Northwest, LLC | Seattle, WA, USA | |2007| |
| Ecollecte | Creuzier-Le-Vieux, Auvergne-Rhone-Alpes, France | |2018| |
| Eco-Logica | Lampa, Santiago, Chile | |2018| |
| Ecological Petroleum Recovery (EPR; SCORI) | Lillebonne, Normandy, Seine-Maritime, France | |2023| |
| Ecology Services Inc. | Baltimore, MD, USA | |2017| |2014| |
| Ecoltec S.A. de C.V. | Apaxco, Mexico, Mexico | |2008| |
| Ecoltecnica SpA | Milan, Lombardy, Italy | |2011| |
| Ecomax Co. Ltd. | Samukawa, Kanagawa, Japan | |2010| |
| Econet S.R.L. | Lamezia Terme, Calabria, Italy | |2012| |
| Economy Boat Store (Radcliff/Economy) | Memphis, TN, USA | |2006| |
| Ecoprocessos Ltda. (EPP) | Sorocaba, Sao Paulo, Brazil | |2023| |
| Eco-Reprocesos | Palin, Escuintla, Guatemala | |2020| |
| EcoServ (Newpark Environmental Services; Intracoastal City Transfer Station) | Abbeville, LA, USA | |2002| |
| EcoServ (Newpark Environmental Services) | Cameron, LA, USA | |2018| |
| EcoServ (Newpark Environmental Services) | Morgan City, LA, USA | |2012| |2002| |
| 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| |
| EcoServ (Newpark Environmental Services) | Venice, LA, USA | |2015| |2013| |2011| |2002| |
| EcoServ (Newpark Environmental Services; Andrews Station; Permian Basin LP; Grimmett Brothers Lease) | Andrews, TX, USA | |2014| |2010| |
| Ecoserv (Newpark Permian Basin) | Big Spring, TX, USA | |2015| |
| EcoServ (Newpark Environmental Services; Fannett Facility) | Hamshire, TX, USA | |2012| |2009| |2006| |2002| |1999| |
| Ecoserv (Newpark Environmental Services; Port Arthur Processing Facility) | Port Arthur, TX, USA | |2020| |2015| |2013| |2011| |2008| |2002| |1999| |
| EcoServ Environmental Services (Newpark Environmental Services; Big Hill Norm Site) | Winnie, TX, USA | |2022| |2017| |2013| |2010| |2009| |2006| |2002| |1999| |
| ECOSFERA S.R.L. | Bulgarograsso, Como, Italy | |2012| |
| Ecosistem de Aguascalientes, S.A. de C.V. | San Francisco de los Romo, Aguascalientes, Mexico | |2021| |
| EcoSouth Services Axis Landfill | Axis, AL, USA | |2019| |
| Ecospace Limited (Enviropace; EPD Chemical Waste Treatment Centre) | Hong Kong, Hong Kong, SAR | |2001| |
| Ecotrasporti s.r.l. | Cassola, Vicenza, Venetia, Italy | |2022| |
| Ecoway Servicios Ambientales (Ecoway Dos Cuarenta y Tres Internacional, S.A.) | Alajuela, Alajuela, Costa Rica | |2018| |
| ECS Refining | Santa Clara, CA, USA | |2018| |2016| |2013| |2010| |2006| |2002| |1999| |
| ECS Refining | Stockton, CA, USA | |2016| |
| ECS Refining LLC | Mesquite, TX, USA | |2013| |
| eCycle Solutions | Mississauga, ON, Canada | |2025| |2022| |
| EG Corporation | Ulsan, Gyeongsangnam-do, South Korea | |2014| |
| EG Metals Inc. | Carrollton, TX, USA | |2018| |
| Ekhocentre (Promotkhody) | Moscow, Russia | |2009| |
| El Coqui Landfill | Humacao, PR, USA | |2019| |2015| |
| Elcon Recycling | Beersheba, Southern District, Israel | |2017| |
| Eldredge, Inc. | West Chester, PA, USA | |2025| |2020| |2011| |2007| |2004| |
| Electronic Recyclers International | Sumner, WA, USA | |2017| |
| Electronic Recyclers International, Inc. (ERI) | Fresno, CA, USA | |2022| |2019| |2011| |
| Electronic Recyclers International, Inc. (ERI) | Plainfield, IN, USA | |2022| |
| Electronic Recyclers International, Inc. (ERI) | Holliston, MA, USA | |2022| |
| Electronic Recyclers International, Inc. (ERI) | Badin, NC, USA | |2022| |
| Electronic Recyclers International, Inc. (ERI) | Lincoln Park, NJ, USA | |2022| |
| Electronic Recyclers International, Inc. (ERI) | Flower Mound, TX, USA | |2022| |
| Electrum, Inc. | Rahway, NJ, USA | |2022| |
| Element Resources (Exide Technologies) | Muncie, IN, USA | |2019| |2013| |2005| |2001| |1998| |
| Element Resources (Exide Technologies) | Forest City, MO, USA | |2005| |
| Elemental Environmental Solutions (Reynolds Metals; Alcoa Gum Springs Plant) | Arkadelphia, AR, USA | |2025| |2023| |2022| |2020| |2017| |
| Elements Industries Pte LTD | Singapore, Singapore | |2018| |2015| |
| Elga, LLC | Shostka, Sumy, Ukraine | |2010| |
| Elms Industrial Pte. Ltd. | Singapore, Singapore | |2025| |
| EMCO Chemical Distributors Inc. (EMCO Waste Services) | Kenosha, WI, USA | |2022| |
| Emerald Energy From Waste (Algonquin Power EFW, Inc) | Brampton, ON, Canada | |2022| |
| Emerald Recycling | Vancouver, WA, USA | |2013| |
| Emerald Services | Seattle, WA, USA | |2024| |2020| |2017| |2012| |2008| |2004| |
| Emerald Services | Spokane, WA, USA | |2012| |
| Emerald Services | Tacoma, WA, USA | |2023| |2021| |2019| |2017| |2015| |2012| |2007| |2006| |
| Emerald Services, Inc | Seattle, WA, USA | |2023| |2020| |
| Emerald Transformer (Environmental Management Systems) | Phoenix, AZ, USA | |2019| |2007| |
| Emerald Transformer (Clean Harbors; Rollins; Safety-Kleen) | Los Angeles, CA, USA | |2022| |2016| |2013| |2011| |2010| |2007| |2005| |2003| |2000| |1999| |1995| |
| Emerald Transformer (Clean Harbors PPM Group) | Philadelphia, PA, USA | |2015| |2008| |2004| |
| 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| |
| Emerald Transformer Services (Clean Harbors; Safety-Kleen (PPM), Inc.) | Tucker, GA, USA | |2024| |2021| |2018| |2016| |2013| |2008| |2003| |
| Emerald Transformer Services (Clean Harbors; PPM Inc; Laidlaw; Safety Kleen) | Twinsburg, OH, USA | |2025| |2023| |2020| |2018| |2017| |2014| |2011| |2007| |2004| |
| EMI (Environmental Management of KC, Inc.) | Kansas City, KS, USA | |2024| |2003| |
| EMR Southern Recycling | Amelia, LA, USA | |2024| |
| Encycle/Texas | Corpus Christi, TX, USA | |2000| |1996| |
| Energie AG Umwelt Service (AVE Osterreich GmbH) | Vienna, Vienna, Austria | |2015| |
| Energigjenvinningsetaten (EGE) (Klemetsrud Energy Recovery Plant) | Oslo, Oslo, Norway | |2010| |
| Energis (Safety-Kleen; Laidlaw; Holcim) | Clarksville, MO, USA | |2007| |2005| |2004| |2003| |2001| |1998| |
| Energy Networks Ltd. | Busan, Busan, South Korea | |2019| |
| EnergySolutions (Chem-Nuclear Systems; Duratek; DSSI) | Barnwell, SC, USA | |2016| |2012| |2007| |2006| |2005| |2004| |2003| |2002| |2000| |1998| |
| EnergySolutions (Duratek Services; GTS Duratek) | Oak Ridge, TN, USA | |2025| |2022| |2018| |2017| |2016| |2015| |2014| |2012| |2010| |2009| |2007| |2005| |2002| |
| 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| |
| ENPRO Services of Vermont, Inc (EVI) | Williston, VT, USA | |2016| |
| ENVA Hazardous Waste (Shannon Environmental Services Ltd.) | Shannon, County Clare, Ireland | |2023| |2020| |2016| |2013| |2007| |
| Enva Ireland (Atlas Oil) | Portlaoise, County Laois, Ireland | |2023| |2020| |2017| |2008| |
| Enva Ireland (Rilta Environmental) | Rathcoole, County Dublin, Ireland | |2024| |2017| |2013| |2009| |
| Enva Scotland (William Tracey Ltd.) | Paisley, Renfrewshire, United Kingdom (Scotland) | |2023| |
| Envirem Technologies, Inc. | Fredericton, NB, Canada | |2001| |
| Envirite of Ohio (EQ Ohio; US Ecology Canton) | Canton, OH, USA | |2025| |2022| |2017| |2014| |2011| |2008| |2004| |
| Envirite of Pennsylvania (US Ecology York; EQ of Pennsylvania) | York, PA, USA | |2025| |2023| |2022| |2020| |2017| |2013| |2010| |2007| |2004| |2001| |1996| |
| Enviro Connexions Complex (Vision Enviro Progressive, Progressive Lachenaie LF, BFI Canada) | Terrebonne, QC, Canada | |2017| |
| Enviro-Chem, Inc. | Rogers, MN, USA | |2020| |2011| |
| Envirogreen Technologies Ltd | Princeton, BC, Canada | |2022| |2019| |2014| |
| Enviromark Corporation | Davenport, IA, USA | |2021| |2013| |2009| |
| Environmental Enterprises, Inc. | Cincinnati, OH, USA | |2024| |2021| |2018| |2016| |2012| |2008| |
| Environmental Integrity Company LLC | South Hadley, MA, USA | |2019| |
| Environmental Management & Controls, Inc. (Thomas Gray & Associates) | Turlock, CA, USA | |2023| |2020| |2012| |2007| |2004| |
| Environmental Operators | Venice, LA, USA | |2002| |
| Environmental Products & Services of Vermont (EPSVT Albany Branch) | Glenmont, NY, USA | |2019| |2008| |
| Environmental Protection Services (EPSVT Albany Branch) | Wheeling, WV, USA | |2024| |2018| |2016| |
| Environmental Services Company Ltd. (ESC) | Beersheba, Southern District, Israel | |2019| |
| Environmental Soil Management, Inc. (ESMI) | Loudon, NH, USA | |2019| |2016| |2013| |
| Environmental Soil Management, Inc. (Clean Earth; ESMI) | Fort Edward, NY, USA | |2023| |2020| |2017| |
| Environmental Specialists, Inc | Youngstown, OH, USA | |2022| |2016| |
| Environmental Treatment Solutions | Minto, New South Wales, Australia | |2019| |
| Environmental Treatment Team | Cameron, LA, USA | |2005| |
| Environmental Treatment Team | Morgan City, LA, USA | |2002| |
| Environmental Waste Resources (EWR) | Waterbury, CT, USA | |1995| |
| Envirosafe Services of Ohio | Oregon, OH, USA | |2007| |2003| |1997| |
| EnviroServ Waste Management Aloes II Landfill (Waste Tech) | Port Elizabeth, Eastern Cape, South Africa | |2011| |
| EnviroServ Waste Management Holfontein LF | Springs, Gauteng, South Africa | |2022| |2018| |2015| |2013| |
| EnviroServ Waste Management Shongweni LF | Shongweni, KwaZulu-Natal, South Africa | |2013| |
| EnviroServ Waste Management Vissershok LF | Milnerton, Western Cape, South Africa | |2019| |2014| |
| EnviroServices & Training Center, LLC | Pearl City, HI, USA | |2014| |2011| |
| Envirosolutions | Mont Belvieu, TX, USA | |2017| |2009| |2005| |
| Enviro-Tank Clean | Belpre, OH, USA | |2008| |2005| |
| Envirotech | Bloomfield, NM, USA | |2013| |
| Envirotrol | Beaver Falls, PA, USA | |1998| |
| E-Parisaraa Pvt. Ltd. | Dabaspete, Karnataka, India | |2025| |2021| |2016| |
| EQ Detroit South (US Ecology Detroit; US Liquids of Detroit) | Detroit, MI, USA | |2025| |2024| |2023| |2022| |2021| |2020| |2018| |2017| |2016| |2014| |2013| |2011| |2010| |2008| |2007| |2002| |
| EQ Resource Recovery (Michigan Recovery Systems, Inc.) | Romulus, MI, USA | |2005| |2003| |2002| |2001| |1999| |
| Erdbau S.R.L. | Merano, Trentino-Alto Adige, Italy | |2013| |
| e-Recycling of California | Hayward, CA, USA | |2015| |
| ERG Environmental Services (Lamps Inc.) | Bowling Green, OH, USA | |2018| |2015| |2014| |2011| |2008| |
| Escambia County Perdido Landfill | Cantonment, FL, USA | |2015| |
| ESI Environmental, Inc. (Ecological Systems Inc.) | Indianapolis, IN, USA | |2010| |2007| |2005| |2004| |2001| |
| Essencis MG Solucoes Ambientais | Betim, Minas Gerais, Brazil | |2023| |
| Essencis Solucoes Ambientais | Curitiba, Parana, Brazil | |2011| |
| Essencis Solucoes Ambientais (Teris do Brazil SA; TDB Incineracao Ltda.) | Taboao da Serra, Sao Paulo, Brazil | |2022| |2018| |2014| |2011| |2008| |
| ESTRE Ltda. (Empresa de Saneamento e Tratamento de Residuos Ltda.) | Paulinia, Sao Paulo, Brazil | |2022| |2016| |
| Eurecat, Inc. (Tricat, Inc.) | McAlester, OK, USA | |2022| |2018| |2015| |2012| |2009| |2005| |2002| |1999| |1997| |
| Eurecat, US Inc. | Pasadena, TX, USA | |2022| |2019| |2017| |2015| |2013| |2011| |2008| |2005| |2002| |
| Evans Houston (Evans Cooperage) | Houston, TX, USA | |1999| |
| Evergreen Recycling (Tully Environmental, Inc.) | Corona, NY, USA | |2024| |2020| |2017| |
| Everlights, Inc. | Roselle, IL, USA | |2021| |
| Evonik Corporation (Catalyst Recovery of LA; CRLA; Porocel) | Lafayette, LA, USA | |2025| |2024| |2022| |2019| |2017| |2014| |2013| |2011| |2009| |2008| |2005| |2002| |1999| |1997| |
| Evoqua Water Technologies (Siemens Water Technologies; US Filter) | South Windsor, CT, USA | |2017| |
| Evoqua Water Technologies (Siemens Water Technologies) | Fallsington, PA, USA | |2017| |
| Evoqua Water Technologies | Houston, TX, USA | |2020| |
| Evoqua Water Technologies, LLC (Siemens Hydrocarbon; US Filter Recovery Services) | Little Rock, AR, USA | |2007| |
| Evoqua Water Technologies, LLC (Evoqua; Siemens Water; US Filter; Westates Carbon; Northwestern Carbon) | Red Bluff, CA, USA | |2020| |2015| |2010| |2005| |
| Evoqua Water Technologies, LLC (Siemens; US Filter) | Roseville, MN, USA | |2025| |2023| |2022| |2019| |2017| |2014| |2013| |2010| |2006| |2004| |2000| |
| Evron Landfill | Evron, Northern District, Israel | |2017| |
| eWorks Electronics Services, Inc. | Elk Grove Village, IL, USA | |2020| |
| eWorks Electronics Services, Inc. | Freeport, NY, USA | |2020| |
| Excel TSD of Tennessee, L.L.C. | Memphis, TN, USA | |2023| |2010| |2004| |
| Exide Technologies | Vernon, CA, USA | |2012| |2009| |2005| |
| Exide Technologies (Schuykill Chemical) | Baton Rouge, LA, USA | |2004| |2002| |2000| |
| Exide Technologies | Reading, PA, USA | |2011| |2007| |2005| |2004| |2002| |2001| |1998| |
| Exide Technologies | Frisco, TX, USA | |2011| |2006| |2005| |2002| |
| Express Container Service, Inc. | Charlotte, NC, USA | |2010| |
| GE Water & Process Technologies (Ecolochem, Inc; General Electric Power & Electric Resin Regeneration Facility) | Norfolk, VA, USA | |2017| |
| Gem State Oil Recovery (EcoLube Recovery) | Boise, ID, USA | |2024| |
| Geocycle (Energis; Holcim; Holnam; Safety-Kleen) | Artesia, MS, USA | |2024| |2021| |2020| |2019| |2017| |2014| |2010| |2008| |2007| |2006| |2005| |2004| |2003| |
| 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| |
| Geocycle Mexico (Ecoltec; Holcim Mexico) | Ramos Arizpe, Coahuila, Mexico | |2024| |2016| |
| GFL Environmental (E.I.L. Environmental Services; Green For Life) | Onoway, AB, Canada | |2018| |
| Gopher Resource (EnviroFocus Technologies; Gulf Coast Recycling) | Tampa, FL, USA | |2025| |2021| |2015| |
| Grundon Waste Management Ltd (Ewelme Landfill No. 2) | Wallingford, Oxfordshire, United Kingdom (England) | |2022| |2017| |2012| |
| Gulf Coast Industrial Wells (Enviornmental Processing Systems) | Dayton, TX, USA | |2022| |
| Hidronor Chile S.A. (Empresa de Tratamientos de Residuos Copiulemu; Copiulemu) | Florida, Biobio, Chile | |2018| |2012| |
| Industrial Container Services (East Coast Container) | Matthews, NC, USA | |2020| |2016| |
| Intechra (ePC; Electronics Partners Corporation) | Los Angeles, CA, USA | |2005| |
| Lighting Resources Texas, LLC (Environmental Lamp Recyclers) | Fort Worth, TX, USA | |2023| |2022| |2019| |2016| |
| Miller Environmental Group (Environmental Products & Services of Vermont; EPSVT) | Syracuse, NY, USA | |2022| |2016| |2008| |
| Miller Environmental Services (Environmental Products & Services of Vermont) | Lancaster, NY, USA | |2025| |2020| |
| NRC Alaska (Emerald Alaska) | Kenai, AK, USA | |2017| |
| NRC Alaska (Emerald Services; Springer Facility) | Palmer, AK, USA | |2005| |
| Pacific Resource Recovery (Ellis Paints; PRRS) | Los Angeles, CA, USA | |2024| |2023| |2020| |2019| |2018| |2015| |2012| |2009| |2007| |2005| |2003| |
| Petrofuels Quality Marketing (EnviroSolutions) | Winnie, TX, USA | |2013| |
| R360 Environmental Solutions (Eagleford Reclamation) | Three Rivers, TX, USA | |2025| |
| Recycle Energy, Inc. (Eco Planning Co. Ltd.) | Ranzan, Saitama, Japan | |2016| |
| RED Industries (Envirosol; Environmental Resource Group; ERG) | Brownhills, West Midlands, United Kingdom (England) | |2013| |
| Republic Services Apex Landfill (Environmental Technologies of Nevada) | Las Vegas, NV, USA | |2018| |2000| |
| Romic Environmental Technologies (ERP Environmental Services; US Liquids) | East Palo Alto, CA, USA | |2006| |2005| |2003| |2001| |1998| |1995| |
| Safety-Kleen Systems, Inc. (Evergreen Oil) | Carson, CA, USA | |2007| |
| Safety-Kleen Systems, Inc. (Evergreen Recycling) | Fresno, CA, USA | |2023| |2020| |
| Safety-Kleen Systems, Inc. (Evergreen Oil, Inc.) | Newark, CA, USA | |2025| |2021| |2018| |2015| |2012| |2010| |2007| |2005| |2002| |1999| |1997| |
| SITA FD Agora Eco Hub (Ecopole Agora) | Noyelles-Godault, Hauts-de-France, France | |2012| |
| Solvi Essencis Ambientais S.A. (Essencis Solucoes Ambientais) | Mage, Rio de Janeiro, Brazil | |2024| |2016| |2011| |
| Thermika (Ecoresource; Ekoresurs) | Krasnoyarsk, Krasnoyarsk, Russia | |2015| |
| Thermo Fluids (E & E Enterprise) | Brownfield, TX, USA | |2014| |2011| |2004| |2002| |
| Tradebe Treatment & Recycling (Environmental Compliance Corp.; United Oil Recovery) | Stoughton, MA, USA | |2019| |2015| |2006| |2004| |
| US Ecology (EQ Illinois; Envirite) | Harvey, IL, USA | |2024| |2021| |2016| |2005| |
| US Ecology (EQ Oklahoma; Perma-Fix Environmental Services) | Tulsa, OK, USA | |2024| |2021| |2000| |
| US Ecology (EcoServ; Newpark Industrial Disposal; Big Hill Non-Hazardous Industrial Disposal Site) | Winnie, TX, USA | |2023| |2020| |2016| |2013| |2007| |
| US Ecology Idaho, Inc. (Envirosafe Services of Idaho) | Grand View, ID, USA | |2025| |2024| |2022| |2021| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2007| |2004| |2001| |
| US Ecology Michigan (EQ; Wayne Disposal Inc.; Michigan Disposal Waste Treatment Plant) | Belleville, MI, USA | |2025| |2024| |2023| |2022| |2021| |2020| |2019| |2018| |2017| |2016| |2015| |2014| |2013| |2012| |2011| |2010| |2009| |2008| |2007| |2005| |2004| |2003| |2001| |1999| |1995| |
| US Ecology Tampa (EQ Florida) | Tampa, FL, USA | |2025| |2021| |2018| |2016| |
| 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| |
| Valicor Environmental Services (EnviroSolids) | Dearborn, MI, USA | |2012| |
| Veolia Environmental Services UK (Empire Works Treatment and Transfer Facility) | Aldridge, Walsall, West Midlands, United Kingdom (England) | |2022| |2013| |
| VLS Lancaster (Environmental Recovery Corporation; Lancaster Oil Company) | Lancaster, PA, USA | |2025| |2024| |2023| |2022| |2019| |2018| |2016| |2013| |2011| |
| Vonco V (Engineers Realty Demolition Landfill Vonco 5) | Gary-New Duluth, MN, USA | |2016| |
| Waste Management LampTracker Inc (Earth Protection Services, Inc.) | Williamston, SC, USA | |2023| |2020| |2018| |2016| |2014| |2013| |2011| |2004| |
| WM LampTracker (Earth Protection Services, Inc.) | Glendale, AZ, USA | |2023| |2021| |2018| |2016| |2011| |