| Facility Name (Alias/Former Names) | City, State, Country | Program Years |
| Abington Reldan Metals, LLC (Reldan Metals) | Fairless Hills, PA, USA | |2023| |2019| |2016| |2014| |2011| |
| Casella Waste Systems McKean County LF (Rustick LLC; McKean County LF) | Kane, PA, USA | |2012| |
| CEMEX Inc. (Rinker Materials, CSR; CS Rinker) | Miami, FL, USA | |2009| |2000| |
| Cirba Service Solutions of US, Inc. (Retriev Technologies; Toxco) | Lancaster, OH, USA | |2023| |2021| |2018| |2016| |2015| |2013| |2011| |2007| |
| Cirba Solutions (Retriev Technologies, Toxco Inc.) | Baltimore, OH, USA | |2024| |2020| |2015| |2014| |2011| |
| 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| |
| Ecobat Resources (Revere Smelting & Refining; RSR-Quemetco) | Middletown, NY, USA | |2024| |2018| |2013| |2005| |
| Economy Boat Store (Radcliff/Economy) | Memphis, TN, USA | |2006| |
| Elemental Environmental Solutions (Reynolds Metals; Alcoa Gum Springs Plant) | Arkadelphia, AR, USA | |2023| |2022| |2020| |2017| |
| Enva Ireland (Rilta Environmental) | Rathcoole, Ireland | |2024| |2017| |2013| |2009| |
| General Environmental Management (Research Oil; Pure Tech) | Cleveland, OH, USA | |2008| |2005| |2003| |2001| |1998| |
| Liquid Environmental Solutions (Resource Recovery Techniques of Arizona) | Phoenix, AZ, USA | |2022| |2019| |2013| |
| Mauser Packaging Solutions (Recycle Inc. East; National Container Group) | South Plainfield, NJ, USA | |2023| |2020| |2016| |2010| |2006| |2000| |
| Mumbai Waste Management (Ramky-Mumbai Waste Management; MWML) | Taloja, Maharashtra, India | |2024| |2013| |
| Parkans International (RCRA Facility) | Houston, TX, USA | |1997| |
| PolyCom Industries, LLC (RS Industrial, Inc.) | Dalton, GA, USA | |2012| |
| R360 Bateman Island (US Liquids of Louisiana; Campbell Wells) | Morgan City, LA, USA | |2017| |2012| |1999| |
| R360 Environmental Solutions (US Liquids; Campbell Wells) | Bourg, LA, USA | |2022| |2001| |
| R360 Environmental Solutions (Prairie Disposal; PDI Facility) | Tioga, ND, USA | |2018| |2013| |
| R360 Environmental Solutions (Controlled Recovery Inc; CRI) | Halfway, NM, USA | |2020| |2016| |2011| |
| R360 Environmental Solutions (J. Scott Mud Disposal) | El Reno, OK, USA | |2015| |
| R360 Environmental Solutions (US Liquids of Louisiana) | Bustamante, TX, USA | |2023| |2016| |2012| |2000| |
| R360 Environmental Solutions LLC | Orla, TX, USA | |2020| |
| R360 Environmental Solutions of LA (US Liquids of LA, ERP Environmental Services, Campbell Wells) | Elm Grove, LA, USA | |2022| |2014| |2012| |2009| |2005| |1999| |
| R360 Mermentau Processing Facility (US Liquids of LA; ERP Environmental Services; Campbell Wells) | Jennings, LA, USA | |2023| |2019| |2008| |2006| |2000| |
| R360 Port Fourchon Transfer Station (US Liquids of Louisiana) | Port Fourchon, LA, USA | |2020| |2012| |
| R360 Silverberry Landfill (Secure Energy; Tervita) | Fort St. John, BC, Canada | |2024| |
| Radius Recycling (Schnitzer Steel; Oakland Metals Recycling Yard & Port) | Oakland, CA, USA | |2020| |2013| |
| Raider Environmental Services Inc. | Opa-locka, FL, USA | |2014| |
| Ramky Enviro Engineers Ltd. (Hyderabad Waste Management Project) | Quthbullapur, Telangana, India | |2016| |
| Rapier Energy Ltd | Billingham, Stockton-on-Tees, United Kingdom (England) | |2013| |
| Raw Materials Company (RMC) | Port Colborne, ON, Canada | |2018| |2014| |2003| |
| RBS Metals, LLC (Recupyl Battery Solutions; Battery Solutions Inc.) | Brighton, MI, USA | |2015| |2004| |
| RCM Abfallbehandlung GmbH (REMEX CONMIN) | Mannheim, Baden-Wuerttemberg, Germany | |2013| |
| RCR Ambiental | Taboao da Serra, Sao Paulo, Brazil | |2020| |2017| |
| RCS, Inc. (Port Fourchon Dockside Service Center; CCS Midstream Services) | Port Fourchon, LA, USA | |2008| |
| Re Sustainability Ltd. (Ramky Enviro Engineers Ltd) | Dera Bassi, Punjab, India | |2024| |
| Re Sustainability Ltd. (Ramky West Bengal Waste Management Limited ) | East Medinipur, West Bengal, India | |2024| |2021| |
| Real Comercio e Reciclagem Ltda. (Royal Trade and Recycling) | Guarulhos, Sao Paulo, Brazil | |2022| |
| ReCellular | Dexter, MI, USA | |2005| |
| ReCellular | Fort Worth, TX, USA | |2005| |
| Recicladora Temarry (Temarry Recycling) | Tecate, Baja California, Mexico | |2023| |2017| |
| Recintec Tecnologias Ambientais | Jambeiro, Sao Paulo, Brazil | |2021| |
| Reclaimed Energy Division | Connersville, IN, USA | |2020| |2005| |2002| |
| Reco Biotechnology (Aqua Clean Environmental; USA Waste) | Richmond, VA, USA | |2016| |2001| |
| Recology Hay Road Landfill (Norcal Waste System Hay Road LF; B&J Sanitary LF) | Vacaville, CA, USA | |2022| |2018| |2012| |
| Recovering S.A. | Campana, Buenos Aires, Argentina | |2016| |
| Recyc Oil | Wielsbeke, Flanders, Belgium | |2022| |2016| |
| Recycalyst Technologies (Parkans International) | Jacinto City, TX, USA | |2000| |1998| |
| Recycle Aerosol L.L.C. (Returns Distribution Specialists L.L.C.) | Bells, TN, USA | |2017| |
| Recycle Energy, Inc. (Eco Planning Co. Ltd.) | Ranzan, Saitama, Japan | |2016| |
| Recycle Technologies, Inc. | Waukesha, WI, USA | |2002| |
| Recycle, Inc. | DeQuincy, LA, USA | |2000| |
| Recycling Coordinators | Akron, OH, USA | |2005| |
| Recycling Solution Pvt. Ltd. (RSPL) | Panoli, Gujarat, India | |2024| |
| Recyfuel | Engis, Wallonia, Belgium | |2022| |
| Red Giant Oils (Tri-State Recycling Services) | Newcastle, WY, USA | |2015| |2011| |
| RED Industries (Envirosol; Environmental Resource Group; ERG) | Brownhills, West Midlands, United Kingdom (England) | |2013| |
| Redemtech | Hilliard, OH, USA | |2006| |
| Redvale Sanitary Landfill | Dairy Flat, Auckland, New Zealand | |2011| |
| Regain Services Pty Ltd (Regain SPL Processing Facility) | Tomago, New South Wales, Australia | |2023| |
| Rehab Recycle | Tallaght, County Dublin, Ireland | |2019| |2009| |
| Reind Quimica, S.A. de C.V. | Chicoloapan, Mexico, Mexico | |2005| |
| Reldan Metals Inc. (Abington Metals Refining) | Philadelphia, PA, USA | |2004| |
| Remondis Industrial Services Dechets | Herstal, Liege, Wallonia, Belgium | |2024| |
| REMONDIS Industrie Service GmbH & Co. KG | Bramsche, Lower Saxony, Germany | |2021| |2017| |2013| |
| REMONDIS Industrie Service GmbH & Co. KG (Blum GmbH) | Melle, Lower Saxony, Germany | |2017| |2013| |
| REMONDIS Industrie Service GmbH & Co. KG | Uetze, Lower Saxony, Germany | |2012| |
| REMONDIS Medison GmbH | Lunen, North Rhine-Westphalia, Germany | |2021| |
| REMONDIS SAVA GmbH | Brunsbuttel, Schleswig-Holstein, Germany | |2024| |2021| |
| Remondis Sp. z o.o. | Warsaw, Masovian, Poland | |2020| |2015| |
| Renewi (Shanks Vlaanderen) | Roeselare, Flanders, Belgium | |2020| |2016| |
| Renewi (CCD; AVR-Van Gansewinkel Central Chemical Depot) | Moerdijk, Noord-Brabant, Netherlands | |2022| |2007| |
| Renewi - ATM (ATM - Afvalstoffen Terminal Moerdijk BV) | Moerdijk, Noord-Brabant, Netherlands | |2024| |2021| |2017| |2012| |
| Renewi Nieuwegein (Van Vliet Group) | Nieuwegein, Utrecht, Netherlands | |2021| |2017| |
| Renewi NV (Van Gansewinkel Chemie) | Mol, Flanders, Belgium | |2018| |
| RENOR AS Avd Cement Kiln (NORCEM; HeidelbergCement AG) | Brevik, Telemark, Norway | |2006| |
| Renova Beneficiamento de Resiudo Industriais (Renova Ambiental) | Aruja, Sao Paulo, Brazil | |2019| |
| Renova Tratamento de Residuos Ltda | Aruja, Sao Paulo, Brazil | |2022| |
| Renova Tratamento de Residuos Ltda. (Coprocessamento Facility) | Ijaci, Minas Gerais, Brazil | |2024| |
| Republic Abilene Regional LF (Allied Waste; BFI) | Abilene, TX, USA | |2024| |2017| |2012| |
| Republic Apache Junction Landfill | Apache Junction, AZ, USA | |2022| |2019| |
| Republic Cactus Waste Systems LF | Florence, AZ, USA | |2024| |2018| |
| Republic Carbon Limestone Landfill (BFI; Allied Waste) | Lowellville, OH, USA | |2022| |2017| |2013| |2002| |
| Republic Carleton Farms Landfill | New Boston, MI, USA | |2004| |
| Republic Charlotte Motor Speedway LF | Concord, NC, USA | |2017| |2011| |2007| |2004| |
| Republic Charter Waste Management | Odessa, TX, USA | |2022| |2017| |2014| |2013| |2006| |
| Republic Cherokee Run LF | Bellefontaine, OH, USA | |2016| |2011| |2004| |
| Republic Copper Mountain LF | Wellton, AZ, USA | |2023| |2012| |
| Republic Courtney Ridge Landfill (Allied Waste; BFI) | Sugar Creek, MO, USA | |2021| |2016| |2013| |2009| |
| Republic CSC Landfill | Avalon, TX, USA | |2000| |
| 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| |
| Republic Environtech Landfill (AWI) | Morris, IL, USA | |2015| |2012| |
| Republic Fall River LF (Allied Waste; BFI; Northern Disposal) | Fall River, MA, USA | |2011| |2007| |
| Republic Golden Triangle Landfill (Allied Waste; BFI Waste Services of Beaumont) | Beaumont, TX, USA | |2023| |2016| |2015| |2011| |2008| |2005| |
| Republic Harland Sanitary LF (Manistee County Landfill; Shoreline Waste Services) | Manistee, MI, USA | |2017| |2007| |
| Republic High Plains Landfill (MT Waste Systems Inc.) | Floweree, MT, USA | |2021| |
| Republic King and Queen LF | Little Plymouth, VA, USA | |2017| |
| Republic Little Dixie Landfill | Ridgeland, MS, USA | |2023| |2017| |2008| |
| Republic McCarty Road Landfill (Allied Waste; BFI McCarty Road) | Houston, TX, USA | |2022| |2020| |2017| |2013| |2010| |2008| |2006| |2004| |1998| |
| Republic Missoula Landfill (AW Systems of Montana; Allied Waste) | Missoula, MT, USA | |2017| |2011| |
| Republic Modern Landfill | York, PA, USA | |2022| |2017| |2014| |2009| |
| Republic Morris Farm Landfill (BFI; Allied Waste) | Hillsboro, AL, USA | |2022| |2019| |2014| |2010| |
| Republic National Serv-All Landfill | Fort Wayne, IN, USA | |2022| |
| Republic North Shelby Landfill (Allied Waste North Shelby Landfill) | Millington, TN, USA | |2022| |2015| |2004| |
| Republic Pinehill Landfill (Allied Waste) | Longview, TX, USA | |2022| |2018| |2014| |2009| |
| Republic Pineview Landfill (Allied Waste Pine View Landfill; BFI Pineview Landfill) | Dora, AL, USA | |2015| |
| Republic Resource Recovery Landfill | Cherryvale, KS, USA | |2022| |2013| |2009| |
| Republic Roxana Landfill | Edwardsville, IL, USA | |2021| |2016| |2012| |
| Republic Services Alderson LF (Pittsburg County Landfill) | Alderson, OK, USA | |2024| |2013| |
| Republic Services Apex Landfill (Environmental Technologies of Nevada) | Las Vegas, NV, USA | |2018| |2000| |
| Republic Services Big River Landfill (BFI Waste Systems, Allied Waste) | Leland, MS, USA | |2018| |2009| |
| Republic Services Blue Ridge LF (Blue Ridge Landfill) | Fresno, TX, USA | |2020| |2016| |2013| |
| Republic Services Colonial Landfill (BFI Colonial Landfill) | Sorrento, LA, USA | |2024| |2019| |2017| |2015| |2012| |2010| |2004| |2002| |1999| |
| Republic Services Conestoga LF (Allied Waste; BFI; New Morgan Landfill Company) | Morgantown, PA, USA | |2023| |2018| |2017| |2015| |2010| |
| Republic Services Countywide Landfill | East Sparta, OH, USA | |2016| |2003| |
| Republic Services El Centro Landfill (Allied Waste; BFI) | Robstown, TX, USA | |2024| |2018| |2014| |2010| |
| Republic Services Forward, Inc. | Manteca, CA, USA | |2023| |2018| |2014| |2011| |2005| |2002| |
| 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| |
| Republic Services Imperial Landfill (Allied Waste; BFI) | Imperial, PA, USA | |2012| |
| Republic Services Itasca Landfill (BFI Itasca Landfill) | Itasca, TX, USA | |2021| |2016| |2013| |2010| |2007| |2004| |1998| |
| Republic Services Jefferson Davis Landfill (BFI Jefferson Davis Landfill) | Welsh, LA, USA | |2019| |2016| |2015| |2014| |2011| |2007| |2004| |2000| |
| Republic Services Keller Canyon Landfill | Pittsburg, CA, USA | |2024| |2019| |2015| |2011| |2010| |2006| |
| Republic Services La Gloria Landfill | Edinburg, TX, USA | |2023| |
| Republic Services La Paz County Landfill | Parker, AZ, USA | |2019| |2011| |
| Republic Services LandComp LF | Ottawa, IL, USA | |2016| |
| Republic Services Lee County LF | Bishopville, SC, USA | |2010| |
| Republic Services Middle Point LF (Allied Waste; BFI) | Murfreesboro, TN, USA | |2015| |2010| |
| Republic Services Newton County Landfill | Brook, IN, USA | |2019| |2013| |2008| |
| Republic Services of Indiana (Hoosier Disposal and Transfer Station) | Bloomington, IN, USA | |2013| |
| Republic Services of Mount Laurel | Mount Laurel, NJ, USA | |2013| |
| Republic Services Old Dominion LF | Richmond, VA, USA | |2010| |
| Republic Services Pine Avenue Landfill (Niagara Falls Landfill) | Niagara Falls, NY, USA | |2024| |2019| |2015| |
| Republic Services Pine Grove Landfill | Amanda, OH, USA | |2003| |
| Republic Services Pine Ridge Landfill | Griffin, GA, USA | |2014| |2008| |
| Republic Services Pleasant Oaks Landfill | Mount Pleasant, TX, USA | |2019| |2011| |
| Republic Services Richland Creek LF (Allied Waste; BFI) | Buford, GA, USA | |2006| |2003| |
| Republic Services Rio Grande Valley LF | Donna, TX, USA | |2011| |
| Republic Services Roosevelt Regional Landfill | Roosevelt, WA, USA | |2020| |2019| |2015| |2007| |
| Republic Services Saline County Landfill | Bauxite, AR, USA | |2019| |2015| |
| Republic Services Southwest Regional LF | Buckeye, AZ, USA | |2016| |2007| |
| Republic Services Sycamore Landfill (San Diego Landfill System) | Santee, CA, USA | |2023| |
| Republic Services Tessman Road LF (Allied Waste; BFI) | San Antonio, TX, USA | |2020| |2016| |2011| |
| Republic Services Tower Road Landfill | Commerce City, CO, USA | |2019| |
| Republic Services TRD and Landfill | Pecos, TX, USA | |2020| |
| Republic Services Upper Piedmont Environmental and LF | Rougemont, NC, USA | |2011| |
| Republic Services Uwharrie Landfill | Mt. Gilead, NC, USA | |2019| |2013| |
| Republic Services Valley View Landfill | Sulphur, KY, USA | |2007| |
| Republic Services Vasco Road Landfill | Livermore, CA, USA | |2022| |2012| |2004| |2002| |
| Republic Southwest Landfill (BFI; Southwest LF) | Canyon, TX, USA | |2022| |2017| |2013| |2007| |
| Republic Sycamore Ridge Landfill | Pimento, IN, USA | |2005| |
| Republic Timberlands Landfill (BFI Timberlands Landfill) | Brewton, AL, USA | |2015| |2000| |
| Republic Upstate Regional Landfill | Enoree, SC, USA | |2019| |
| Republic Vienna Junction Landfill (Allied Waste) | Erie, MI, USA | |2020| |2013| |2009| |2005| |
| Republic Wasatch Region LF | North Skull Valley, UT, USA | |2010| |
| Republic Whitefeather Landfill | Pinconning, MI, USA | |2022| |
| Reserved Environmental Services (RES) | Mount Pleasant, PA, USA | |2016| |
| Residuous Industriales Multiquim SA (RIMSA) (RIMSA) | Ecatepec de Morelos, Mexico, Mexico | |2012| |
| Resolve | Braunschweig, Lower Saxony, Germany | |2024| |
| Retrofit Environmental | Little Canada, MN, USA | |2022| |
| Retura TRV AS | Heimdal, Sør-Trøndelag, Norway | |2012| |
| Revatech Engis | Engis, Wallonia, Belgium | |2020| |2016| |
| Revatech Monsin | Liege, Wallonia, Belgium | |2023| |2020| |2016| |
| Revolution Recovery | New Castle, DE, USA | |2017| |
| Revolution VSC (Terrapure, Newalta, Nova Pb Inc.) | Ville Ste-Catherine, QC, Canada | |2021| |2016| |2014| |2012| |2009| |2006| |2003| |
| Reworld (Covanta; Advanced Waste Services) | Cedar Rapids, IA, USA | |2024| |2019| |
| Reworld (Covanta; Advanced Waste Services; Future Environmental; Chem Works) | Portage, IN, USA | |2021| |2019| |2015| |2012| |
| Reworld (Covanta; GARCO) | Asheboro, NC, USA | |2022| |2019| |
| Reworld (Covanta; Environment & Industrial Contracting; Green Environment) | Niagara Falls, NY, USA | |2020| |
| Reworld (Covanta; Industrial Oil Tank Service Corporation) | Oriskany, NY, USA | |2020| |2016| |
| Reworld (Covanta Waste Recovery Solutions) | Myerstown, PA, USA | |2023| |2021| |2018| |2015| |
| Reworld (Covanta; Advanced Waste Services) | New Castle, PA, USA | |2023| |
| Reworld (Covanta; RecOil) | York, PA, USA | |2017| |
| Reworld (Covanta) | Alexandria, VA, USA | |2016| |
| Reworld (Covanta; Advanced Waste Services) | Milwaukee, WI, USA | |2023| |2020| |2018| |
| Reworld (Covanta; ChemWorks; Advanced Waste Services) | Milwaukee, WI, USA | |2005| |
| Reworld (Covanta) | Oshkosh, WI, USA | |2020| |
| Reworld (Covanta; Chief Liquid Waste) | Winneconne, WI, USA | |2015| |2012| |
| Reworld Bay Park TSDF (Circon; Intergulf; Lonestar Ecology) | Pasadena, TX, USA | |2024| |2021| |2017| |
| Reworld Bayport MPF (Circon Environmental; Intergulf Corporation) | Pasadena, TX, USA | |2024| |2023| |2021| |2020| |2018| |2016| |2015| |2013| |2010| |2007| |
| Reworld Chesapeake Waste Solutions (Covanta) | Manheim, PA, USA | |2018| |2013| |
| Reworld Delaware Valley (Covanta) | Chester, PA, USA | |2022| |2017| |2013| |
| Reworld Fairfax (Covanta; Ogden-Martin) | Lorton, VA, USA | |2024| |
| Reworld Haverhill, Inc. (Covanta) | Haverhill, MA, USA | |2021| |2016| |2012| |
| Reworld Hempstead Resource Recovery (Covanta; American Ref-Fuel) | Westbury, NY, USA | |2023| |2020| |2016| |2002| |
| Reworld Houston HRF (Circon Environmental; Intergulf) | La Porte, TX, USA | |2024| |2021| |2017| |2016| |2012| |
| Reworld Huntington (Covanta) | East Northport, NY, USA | |2023| |2020| |2017| |2013| |
| Reworld Huntsville (Covanta) | Huntsville, AL, USA | |2023| |2020| |2018| |2015| |2013| |2010| |2004| |
| 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| |
| Reworld Kitchener MPF (Covanta; Quantex Environmental) | Kitchener, ON, Canada | |2024| |2015| |2007| |
| Reworld Lake II, Inc. (Covanta; Ogden Waste Treatment; Lake County Facility) | Okahumpka, FL, USA | |2021| |2015| |2010| |2005| |1999| |
| Reworld Long Beach Renewable Energy (Covanta) | Long Beach, CA, USA | |2022| |2014| |
| Reworld Marion (Covanta) | Brooks, OR, USA | |2022| |2019| |
| Reworld Niagara (Covanta; American Ref-Fuel) | Niagara Falls, NY, USA | |2023| |2021| |2019| |2018| |2017| |2016| |2014| |2011| |2009| |2006| |2004| |
| Reworld Plymouth Renewable Energy (Covanta) | Conshohocken, PA, USA | |2021| |2017| |2016| |
| Reworld Secure Services (Covanta; American Ref-Fuel) | Crows Landing, CA, USA | |2023| |2020| |2015| |
| Reworld SEMASS Facility (Covanta) | West Wareham, MA, USA | |2016| |
| 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| |
| Reworld Union County Resource Recovery (Covanta) | Rahway, NJ, USA | |2021| |2016| |2014| |2010| |2004| |
| Rho Chem (Stericycle Environmental Solutions; PSC) | Inglewood, CA, USA | |2019| |2013| |2008| |2001| |
| Richmond Recycling | Staten Island, NY, USA | |2023| |2020| |2017| |
| Rinchem Company, Inc. (Compañia Rinquim S.A. de C.V) | Ciudad Juarez, Chihuahua, Mexico | |2005| |
| 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| |
| River Birch, LLC (River Birch Landfill) | Avondale, LA, USA | |2024| |2020| |2015| |2011| |2008| |2004| |
| RJ Recycling | Parkersburg, WV, USA | |2013| |2008| |
| RNI Dalbo, Inc. (RNI Bluebell Facility Evaporation Ponds) | Roosevelt, UT, USA | |2012| |
| RNI Dalbo, Inc. (Glen Bench Disposal Facility) | Uintah County, UT, USA | |2012| |
| RNI Dalbo, Inc. (Ace Oilfield Disposal, Inc.) | Vernal, UT, USA | |2012| |
| Rocky Mountain Regional Landfill | Rocky Mountain House, AB, Canada | |2014| |
| Rogers Iron & Metal Corp. (RIMCO) | Rogers, AR, USA | |2011| |
| Romic Environmental Technologies (ERP Environmental Services; US Liquids) | East Palo Alto, CA, USA | |2006| |2005| |2003| |2001| |1998| |1995| |
| Romic Environmental Technologies Corp. (US Liquids) | Chandler, AZ, USA | |2006| |2004| |2002| |1999| |
| 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| |
| Round2 Inc. | Austin, TX, USA | |2011| |
| Round2 Inc. | Coppell, TX, USA | |2011| |
| RS Used Oil | Monee, IL, USA | |2009| |
| RSI Environmental (Recupere Sol Inc.; Bennett Environmental Inc.) | Saint-Ambroise, QC, Canada | |2019| |2013| |2006| |
| RSR Corporation | City of Industry, CA, USA | |2019| |2014| |2008| |2005| |
| RTD Environmental | Derrimut, Victoria, Australia | |2024| |
| Rumpke - Bartholomew County | Columbus, IN, USA | |2005| |
| Rumpke Beech Hollow Landfill | Wellston, OH, USA | |2018| |2015| |2010| |
| Rumpke Industrial Landfill | Cincinnati, OH, USA | |2024| |2021| |2016| |2011| |2006| |
| Rumpke Mt. Sterling Landfill | Jeffersonville, KY, USA | |2006| |
| Rumpke Recycling | Cincinnati, OH, USA | |2009| |2004| |
| RWM Utah | Salt Lake City, UT, USA | |2013| |
| SKB Environmental, Inc. (Rosemount Industrial Waste Facility) | Rosemount, MN, USA | |2022| |2019| |2010| |2006| |
| Studsvik Processing Facility Memphis, LLC (Race LLC) | Memphis, TN, USA | |2011| |2004| |
| Veolia Environmental Solutions (Redbourn Treatment Plant) | St. Albans, Hertfordshire, United Kingdom (England) | |2020| |2017| |2014| |2011| |
| Veolia Soluciones Industriales (Residuous Industriales Multiquim SA Landfill; RIMSA) | Mina, Nuevo Leon, Mexico | |2023| |2020| |2017| |2014| |2011| |2008| |2006| |2004| |2001| |1998| |
| Victoria Landfill TX, LP (Republic Services; Allied Waste) | Victoria, TX, USA | |2018| |2010| |2005| |
| WM Lockwood Regional Landfill (Refuse Inc.) | Sparks, NV, USA | |2022| |2017| |2012| |
