| Facility Name (Alias/Former Names) | City, State, Country | Program Years |
| ACV Enviro (Cycle Chem; Clean Venture) | Elizabeth, NJ, USA | |2021| |2020| |2018| |2017| |2014| |2010| |2007| |2004| |1995| |
| ACV Enviro (Cycle Chem; Clean Venture) | Lewisberry, PA, USA | |2023| |2019| |2018| |2015| |2010| |2007| |2004| |
| AERC Recycling Solutions (Com-Cycle) | Richmond, VA, USA | |2020| |
| Agua Moss LLC (Crouch Mesa Facility) | Aztec, NM, USA | |2017| |
| Ames Goldsmith (Catalyst Refiners) | Glens Falls, NY, USA | |2002| |
| Brickkiln Waste Ltd. (Creevagh Waste Transfer Site) | Derry, County Londonderry, United Kingdom (Northern Ireland) | |2014| |
| Burlington Environmental, LLC (Clean Earth; Stericycle Environmental; PSC) | Tacoma, WA, USA | |2021| |2019| |2017| |2014| |2005| |
| 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| |
| C&I Electronics | Evansville, IN, USA | |2020| |2017| |
| Cactus Reclamation | Wilmer, TX, USA | |2022| |
| Cal Chem Metals | Globe, AZ, USA | |2007| |
| CalCorp Resources Inc. | Houston, TX, USA | |2017| |
| Calgon Carbon Corporation | Blue Lake, CA, USA | |2005| |2002| |
| 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| |
| Calgon Carbon Corporation (Waterlink; Barnebey-Sutcliffe) | Columbus, OH, USA | |2005| |2001| |
| Calgon Carbon Corporation | Pittsburgh, PA, USA | |2023| |2021| |2019| |2015| |2011| |2008| |2007| |2006| |2005| |2004| |2001| |1999| |1998| |
| Cali Resources SA de CV | Tijuana, Baja California, Mexico | |2019| |
| California Electronic Asset Recovery, Inc. (CEAR) | Mather, CA, USA | |2019| |
| California Pipe Recycling, Inc. (CPR) | Bakersfield, CA, USA | |2011| |
| California Portland Cement | Colton, CA, USA | |2005| |
| Campine NV | Beerse, Antwerp, Belgium | |2015| |
| Camrose Regional Landfill | Camrose, AB, Canada | |2024| |
| Canadian Liquids Processors | Hamilton, ON, Canada | |2024| |
| Canakkale Port Management, Inc. | Canakkale, Canakkale, Turkey | |2017| |
| Capanoglu Varil Ticaret | Cayirova, Kocaeli, Turkey | |2013| |
| Cardinal Container Service | Lexington, NC, USA | |2010| |
| Cascade Asset Management | Madison, WI, USA | |2022| |
| Cascade Eco Minerals (Dlubak Glass Ohio) | Upper Sandusky, OH, USA | |2013| |2008| |
| Cascade Eco Minerals (Dlubak Glass) | Natrona Heights, PA, USA | |2012| |
| Cascade Eco Minerals (Dlubak Glass Texas) | Waxahachie, TX, USA | |2012| |
| Casella Hyland Facility Associates LF | Angelica, NY, USA | |2012| |
| Casella Waste Systems Chemung County LF (Operated by Casella Waste Systems) | Elmira, NY, USA | |2012| |
| Casella Waste Systems Hakes C&D LF | Painted Post, NY, USA | |2012| |
| Casella Waste Systems McKean County LF (Rustick LLC; McKean County LF) | Kane, PA, USA | |2012| |
| Casings, Inc. (Casing, Inc. Tire Recycling) | Catskill, NY, USA | |2017| |
| Castle Hill Recycling | Bronx, NY, USA | |2024| |2021| |2018| |
| Catalyst Refiners Incorporated | Nitro, WV, USA | |2019| |
| Catalytic Innovations, LLC (LEMetrix Solutions, LLC) | Rolla, MO, USA | |2012| |2006| |
| CBSL Transportation Services | Chicago, IL, USA | |2018| |2013| |
| CCR Technologies Ltd | Brooks, AB, Canada | |2020| |
| CCS Southern Oregon Operations | Eugene, OR, USA | |2012| |
| Cedar Avenue Recycling and Transfer Station (CARTS; Industrial Waste and Salvage; IWS) | Fresno, CA, USA | |2016| |
| Cedar Hills Regional Landfill | Maple Valley, WA, USA | |2012| |
| Cedar Marine Terminals | Baytown, TX, USA | |2021| |2017| |
| Cedilor (SARPI) | Malancourt-la-Montagne, Grand Est, France | |2004| |
| Celuloide S.A. (Triex) | Montevideo, Montevideo, Uruguay | |2024| |
| Cemento Polpaico S.A. Coactiva Platform (Polpaico Coactiva) | Til-Til, Chacabuco, Chile | |2017| |
| CEMEX Inc. (Rinker Materials, CSR; CS Rinker) | Miami, FL, USA | |2009| |2000| |
| CEMEX Mexico S.A.B. de C.V. (Planta Tamuin) | Tamuin, San Luis Potosi, Mexico | |2022| |
| CEMTECH, LP (Medusa) | Wampum, PA, USA | |1997| |
| Central Ohio Oil, Inc. (Heartland Petroleum) | Columbus, OH, USA | |2021| |2016| |2013| |2009| |2005| |2001| |
| Chang-Xin Environment Engineering Ltd | Tongxiao, Miaoli, Taiwan | |2019| |
| Changzhou Annaide Industrial Waste Disposal Co. Ltd | Changzhou, Jiangsu Province, China | |2009| |
| Changzhou Dingxin Recycling Containers Ltd. | Changzhou, Jiangsu Province, China | |2009| |
| Chemical Analytics | Romulus, MI, USA | |2011| |2002| |
| Chemical Reclamation Services (Philip Services Corporation; CRS) | Avalon, TX, USA | |2023| |2019| |2017| |2015| |2012| |2011| |2008| |2005| |2003| |2001| |1999| |
| Chemical Solvents, Inc. (CSI) | Cleveland, OH, USA | |2009| |2005| |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| |
| Chemical Waste Management | Fort Wayne, IN, USA | |1996| |
| 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| |
| Chemical Waste Management | Arlington, OR, USA | |2024| |2023| |2020| |2019| |2017| |2016| |2014| |2013| |2011| |2010| |2007| |2006| |2004| |2001| |1998| |
| 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| |
| Chemogas NV | Grimbergen, Flanders, Belgium | |2016| |
| Chem-Solv Technologies Pte., Ltd. | Tuas, Singapore | |2022| |2017| |2013| |2008| |2001| |
| Chemtrade Refinery Services (Peak Chemical) | Beaumont, TX, USA | |2007| |
| Chemtron Corporation (Plant 1) | Avon, OH, USA | |2022| |2019| |2017| |2016| |2013| |2008| |2004| |2001| |
| Chemviron Midwest, Inc. (Hydrocarbon Recovery Services, Inc) | Wooster, OH, USA | |2015| |
| Chemwaste Industries | Woolston, Canterbury, New Zealand | |2017| |2008| |
| Chemwaste Onehunga | Onehunga, Auckland, New Zealand | |2017| |
| Chengdu Shuguang Petrochemical Co | Chengdu, Sichuan, China | |2011| |
| Chengdu Xingrong Hazardous Waste Disposal Co. Ltd | Chengdu, Sichuan, China | |2018| |
| Cherry Island Landfill | Wilmington, DE, USA | |2016| |2010| |
| Chief Waste Treatment | Ripon, WI, USA | |2007| |
| Chigusa Clean Center | Ichihara, Chiba, Japan | |2023| |
| Chimet | Badia al Pino, Tuscany, Italy | |2022| |2011| |
| Chimirec Avrasya | Gebze, Kocaeli, Turkey | |2018| |
| Chimney Butte Environmental | Fairfield, ND, USA | |2014| |
| Chittenden Solid Waste District (CSWD) | South Burlington, VT, USA | |2019| |
| Chord Swiss Technology Co. Ltd. | Taoyuan City, Taoyuan, Taiwan | |2023| |
| Cinelli Iron & Metal Corp. (Warehouse) | Hackensack , NJ, USA | |2017| |
| Cinkanlar Kimyevi Mad. Tic. ve San. A.S. | Kemalpasa, Izmir, Turkey | |2022| |
| Cirba Service Solutions of US, Inc. (Retriev Technologies; Toxco) | Lancaster, OH, USA | |2023| |2021| |2018| |2016| |2015| |2013| |2011| |2007| |
| Cirba Solutions (Toxco; Retriev Technologies) | Trail, BC, Canada | |2023| |2018| |2015| |2013| |2011| |2008| |
| Cirba Solutions (Battery Solutions, Inc.) | Wixom, MI, USA | |2022| |2021| |2019| |
| Cirba Solutions (Retriev Technologies, Toxco Inc.) | Baltimore, OH, USA | |2024| |2020| |2015| |2014| |2011| |
| Citiraya Industries | Singapore, Singapore | |2004| |
| City Environmental Services Landfill (CESW; Waters Landfill) | Frederic, MI, USA | |2017| |2013| |
| City of Brownwood Landfill | Brownwood, TX, USA | |2020| |
| City of Casper Landfill | Casper, WY, USA | |2023| |2018| |2015| |2012| |
| City of Charleston Landfill | Charleston, WV, USA | |2017| |
| City of Midland Sanitary Landfill | Midland, MI, USA | |2022| |2017| |
| City of Spokane Waste to Energy | Spokane, WA, USA | |2022| |
| City of Unalaska Landfill | Unalaska, AK, USA | |2012| |
| City Paper & Metals | Long Beach, CA, USA | |2008| |
| Clark Environmental Inc | Mulberry, FL, USA | |2022| |2016| |2014| |2010| |2007| |
| Clean As New | Baytown, TX, USA | |2020| |
| Clean Earth (EWS Alabama; C-MAC Environmental Group; Fisher Industrial Services) | Glencoe, AL, USA | |2024| |2022| |2016| |2010| |2005| |2001| |1998| |
| Clean Earth Dredging Technologies (CEDTI, Claremont Dredged Material Recycling Facility ) | Jersey City, NJ, USA | |2023| |2020| |2017| |
| Clean Earth Environmental Solutions (Stericycle Environmental Solutions; PSC; General Environmental Management; American Environmental) | Rancho Cordova, CA, USA | |2021| |2016| |2013| |
| Clean Earth Environmental Solutions (Stericycle Environmental Solutions; PSC Recovery Systems; National Waste; Allwaste) | Dallas, TX, USA | |2021| |2018| |2013| |2010| |2002| |1998| |
| Clean Earth of Carteret (Carteret Biocycle) | Carteret, NJ, USA | |2020| |2017| |2013| |2009| |2006| |
| Clean Earth of Greater Washington LLC | Upper Marlboro, MD, USA | |2015| |
| Clean Earth of Maryland, LLC | Hagerstown, MD, USA | |2023| |2020| |2017| |2015| |2012| |2009| |2005| |
| Clean Earth of New Castle, LLC | New Castle, DE, USA | |2024| |2021| |2018| |2017| |2015| |2010| |2006| |
| Clean Earth of North Jersey (S & W Waste, Inc.) | Kearny, NJ, USA | |2023| |2022| |2018| |2017| |2015| |2014| |2011| |2010| |2007| |2005| |1998| |
| Clean Earth of Philadelphia (Division of Allied Environmental) | Philadelphia, PA, USA | |2024| |2019| |2017| |2014| |2011| |2009| |2005| |
| Clean Earth of South East PA, LLC | Morrisville, PA, USA | |2023| |2020| |2017| |2012| |
| Clean Earth Specialty Waste Solutions (Stericycle Environmental Solutions; PSC) | Pomona, CA, USA | |2013| |
| Clean Earth Specialty Waste Solutions (Special Waste Disposal; Stericycle Specialty Waste) | Blaine, MN, USA | |2005| |
| Clean Earth Specialty Waste Solutions (Stericycle Environmental Solutions; Allwaste; 21st Century Environmental Management) | Woods Cross, UT, USA | |2013| |
| Clean Harbors (Sellers Oilfield Services Ltd.) | Calmar, AB, Canada | |2018| |
| Clean Harbors (Newalta; Laidlaw) | Ryley, AB, Canada | |2019| |2017| |2014| |2010| |2005| |
| 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| |
| Clean Harbors (Safety-Kleen Corporation) | Mississauga, ON, Canada | |2022| |2019| |2018| |2017| |2016| |2015| |2013| |2010| |2009| |2007| |2004| |2000| |
| Clean Harbors (Les Services; Safety-Kleen) | Mercier, QC, Canada | |2011| |2010| |2008| |2006| |2003| |2001| |
| Clean Harbors (Safety-Kleen Corporation Lte.) | Thurso, QC, Canada | |2012| |2009| |2006| |2005| |2003| |2001| |
| Clean Harbors (Safety-Kleen Services (Quebec) Ltd.) | Ville Ste-Catherine, QC, Canada | |2012| |
| 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| |
| Clean Harbors | Phoenix, AZ, USA | |2024| |2022| |2021| |2019| |2018| |2016| |2015| |2013| |2011| |2010| |2007| |2005| |2004| |
| 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| |
| 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| |
| 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| |
| 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| |
| 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| |
| Clean Harbors (Safety-Kleen; Laidlaw) | Bartow, FL, USA | |2023| |2021| |2019| |2017| |2014| |2011| |2008| |2006| |2005| |2003| |2002| |1998| |
| 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| |
| Clean Harbors (Safety-Kleen; Laidlaw) | Pecatonica, IL, USA | |2013| |2008| |2004| |2001| |1998| |
| Clean Harbors (Safety-Kleen; USPCI; Laidlaw; Rollins) | Wichita, KS, USA | |2018| |2015| |2001| |1997| |
| Clean Harbors (Wichita Oil Refinery) | Wichita, KS, USA | |2019| |
| Clean Harbors (Wichita Wastewater Treatment Facility) | Wichita, KS, USA | |2019| |
| 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| |
| Clean Harbors (Safety-Kleen) | Colfax, LA, USA | |2023| |2021| |2020| |2018| |2016| |2015| |2013| |2011| |2008| |
| Clean Harbors (Safety-Kleen Corporation) | White Castle, LA, USA | |2024| |2022| |2019| |2018| |2014| |2010| |2007| |2001| |
| Clean Harbors | Braintree, MA, USA | |2024| |2023| |2021| |2020| |2018| |2016| |2015| |2013| |2011| |2009| |2007| |2006| |2005| |2003| |2002| |2001| |1999| |1998| |
| 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| |
| Clean Harbors (Safety-Kleen) | Laurel, MD, USA | |2007| |2002| |1999| |
| Clean Harbors | South Portland, ME, USA | |2023| |2022| |2019| |2016| |2015| |2012| |2008| |2005| |2002| |
| Clean Harbors | Cannon Falls, MN, USA | |2006| |
| 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| |
| Clean Harbors (Sawyer Disposal Services, LLC; Safety-Kleen (Sawyer), Inc.) | Sawyer, ND, USA | |2024| |2017| |2013| |
| 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| |
| Clean Harbors (Bridgeport Disposal; Safety-Kleen Corporation; Laidlaw; Rollins) | Logan Township, NJ, USA | |2023| |2018| |2000| |1999| |1996| |
| Clean Harbors (Safety-Kleen (PPM), Inc.) | Ashtabula, OH, USA | |2008| |
| 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| |
| Clean Harbors | Cleveland, OH, USA | |2024| |2023| |2022| |2020| |2019| |2017| |2016| |2014| |2013| |2012| |2011| |2010| |2008| |2007| |2006| |2005| |2004| |2000| |
| 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| |
| 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| |
| Clean Harbors (Safety-Kleen; Laidlaw Environmental Services) | Roebuck, SC, USA | |1996| |
| 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| |
| Clean Harbors | Greenbrier, TN, USA | |2006| |2003| |
| Clean Harbors (Safety-Kleen) | Altair, TX, USA | |1999| |
| 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| |
| 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| |
| Clean Harbors (DuraTherm) | San Leon, TX, USA | |2024| |2021| |2019| |2017| |2015| |2013| |2011| |2010| |2008| |2006| |2005| |2004| |2003| |2000| |
| 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| |
| 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| |
| Clean Harbors Canada | Delta, BC, Canada | |2021| |2015| |2003| |
| Clean Harbors Canada | London, ON, Canada | |2007| |2005| |2002| |
| Clean Harbors Canada | Thorold, ON, Canada | |2007| |2005| |2002| |
| Clean Harbors Environmental Services, Inc. | Prince George, VA, USA | |2006| |
| Clean Water of New York | Staten Island, NY, USA | |2023| |2020| |2017| |
| Cleanaway (Nationwide Oil) | Bentley, Western Australia, Australia | |2019| |
| Cleanaway (Toxfree Solutions Ltd.; Barry Bros Specialised Services) | Kwinana, Western Australia, Australia | |2019| |2017| |
| Cleanaway (Toxfree; BCD Technologies; Thermal Treatment Solutions) | Narangba, Queensland, Australia | |2023| |
| Cleanaway Bohle (NQRR; North Queensland Resource Recovery) | Bohle, Queensland, Australia | |2022| |
| Cleanaway Daniels (SteriHealth) | Laverton North, Victoria, Australia | |2023| |2011| |
| Cleanaway Daniels (Daniels Health; SteriHealth) | Silverwater, New South Wales, Australia | |2019| |2010| |
| Cleanaway Kang Lien Company | Gangshan, Kaohsiung Hsien, Taiwan | |2010| |
| Cleanaway Laverton Technical Waste Services (Tox Free Australia; Chemsal) | Laverton North, Victoria, Australia | |2024| |2016| |2011| |
| Cleanaway Narangba Waste Oil Facility (Nationwide Oil; Transpacific Industries) | Narangba, Queensland, Australia | |2019| |2008| |
| Cleanaway Technical Services (Transpacific Industries, Kooragang Treatment Plant) | Kooragang Island, New South Wales, Australia | |2019| |
| Cleanaway Technical Services (Transpacific Technical Services) | Wingfield, South Australia, Australia | |2016| |2011| |
| Cleanaway Waste Management (Transwaste Technologies; Oily Water Facility; Nuplex Environmental) | Dandenong, Victoria, Australia | |2022| |2010| |2002| |
| Cleanaway Waste Management (Haztech Industries; ERS Australia) | Glendenning, New South Wales, Australia | |2024| |2017| |2002| |
| Cleanaway Waste Management (Lidcombe Liquid Waste Plant; Waste Service NSW) | Homebush Bay, New South Wales, Australia | |2022| |2017| |2002| |
| Clean-Co Systems | Channelview, TX, USA | |2016| |
| Cleanlites Recycling South, LLC (USA Lamp and Ballast Recycling, Inc. dba Cleanlites) | Spartanburg, SC, USA | |2024| |2021| |2016| |2012| |
| Cleanlites Recycling, Inc. (USA Lamp & Ballast Recycling, Inc.) | Mason, MI, USA | |2019| |2013| |2010| |2003| |
| Cleanlites Recycling, Inc. (USA Lamp & Ballast Recycling) | Cincinnati, OH, USA | |2023| |2020| |2016| |2011| |2006| |2003| |
| Cleansing Service Group (CSG Coventry Site) | Coventry, West Midlands, United Kingdom (England) | |2013| |
| Cleansing Service Group (CSG Pound Bottom) | Salisbury, Wiltshire, United Kingdom (England) | |2013| |
| Cleansing Service Group (CSG Botley Treatment Plant) | Southampton, Hampshire, United Kingdom (England) | |2013| |
| Cleansing Service Group Ltd (CSG) | Bristol, Avon, United Kingdom (England) | |2012| |
| Cleanway Environmental Management Solutions, Inc. | Silang, Cavite, Philippines | |2024| |2021| |
| Cliff Berry Inc. (CBI) | Miami, FL, USA | |2021| |2018| |2016| |2012| |2007| |2005| |
| Cliff Berry, Inc. | Jacksonville, FL, USA | |2013| |2009| |
| CloudBlue Technologies, Inc. | Indianapolis, IN, USA | |2011| |
| CMEG, Inc. (Clean Management Environmental Group) | Walterboro, SC, USA | |2015| |
| Coastal Chemical (Brenntag) | Abbeville, LA, USA | |2007| |
| Colt Refining | Merrimack, NH, USA | |2024| |2019| |
| Columbus Steel Drum | Blacklick, OH, USA | |2003| |
| Combined Resources Inc. (CRI of Illinois Inc.) | Addison, IL, USA | |2013| |
| Combined Resources Inc. (CRI of Tennessee Inc.) | Nashville, TN, USA | |2012| |
| Commercial Incineration Corporation | Carolina, PR, USA | |1999| |
| Commodity Resources and Environmental, Inc. | Mojave, CA, USA | |2010| |
| Communications Wireless Group (CWG; CMB Wireless Group) | Bohemia, NY, USA | |2009| |
| Complete Recycling Solutions | Fall River, MA, USA | |2024| |2021| |2017| |2013| |
| Conecsus, LLC (ECS Texas Refining) | Terrell, TX, USA | |2013| |2006| |
| Consolidated Container Company | Minneapolis, MN, USA | |2021| |2014| |
| Container Corporation | Cleveland, OH, USA | |2000| |
| Container Life Cycle Management LLC (Drumco; Memphis Drum Service) | Arkadelphia, AR, USA | |2021| |2016| |
| Container Lifecycle Management LLC (Indianapolis Drum Service) | Indianapolis, IN, USA | |2017| |2005| |
| Container Management Services (Western Drum) | Hayward, CA, USA | |2023| |2019| |2014| |2000| |
| Container Management Services, LLC (CMS) | Portland, OR, USA | |2019| |
| Container Reconditioning Services Pty Ltd (CRS; Pat the Drum Man) | Dry Creek, South Australia, Australia | |2011| |
| Cooper Recycling | Brooklyn, NY, USA | |2023| |
| Cory Environmental Resource Management (Hempstead Landfill Site) | Gloucester, Gloucestershire, United Kingdom (England) | |2013| |
| Coyne Textile Services (CTS) | Cleveland, OH, USA | |2007| |
| Cramoil Singapore Pte. Ltd. | Tuas, Singapore | |2019| |
| Creative Recycling Systems, Inc. (CRS I) | Tampa, FL, USA | |2013| |2010| |
| CRI Environment Inc | Coteau-du-Lac, QC, Canada | |2024| |2011| |
| Cridec S.A. | Eclepens, Vaud, Switzerland | |2023| |
| CRI-MET (Amax Metals Recovery) | Braithwaite, LA, USA | |1998| |
| Crosby & Overton | Long Beach, CA, USA | |2023| |2022| |2021| |2018| |2017| |2013| |2011| |2008| |2006| |2004| |2002| |1997| |
| Crowsnest/Pincher Creek Landfill | Pincher Creek, AB, Canada | |2020| |
| CS Metals of Louisiana, LLC | Convent, LA, USA | |2002| |2000| |
| CSG Lanstar (CSG Lanstar Cadishead) | Cadishead, Manchester, United Kingdom (England) | |2022| |2018| |2013| |
| Cumberland County Solid Waste Landfill | Millville, NJ, USA | |2016| |
| Cummings Environmental (Cummings Marine Transportation) | Memphis, TN, USA | |2006| |
| 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| |
| 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| |
| Cyanokem (Cyano Corporation) | Detroit, MI, USA | |1995| |
| Cyn Environmental Services | Stoughton, MA, USA | |2021| |2019| |2007| |1999| |
| DuPont Secure Environmental Treatment Plant (Chambers Works) | Deepwater, NJ, USA | |2011| |2010| |2009| |2008| |2007| |2006| |2005| |2004| |2003| |2002| |2000| |1997| |
| 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 | |2023| |2020| |2018| |2017| |2014| |2011| |2007| |2004| |
| EnergySolutions (Chem-Nuclear Systems; Duratek; DSSI) | Barnwell, SC, USA | |2016| |2012| |2007| |2006| |2005| |2004| |2003| |2002| |2000| |1998| |
| Environmental Soil Management, Inc. (Clean Earth; ESMI) | Fort Edward, NY, USA | |2023| |2020| |2017| |
| Evonik (Catalyst Recovery of Louisiana; CRLA; Porocel) | Lafayette, LA, USA | |2024| |2022| |2019| |2017| |2014| |2013| |2011| |2009| |2008| |2005| |2002| |1999| |1997| |
| Fortech Microabrasivos S.A. (Cartago Industrial Park Facility; Metals Plant) | Cartago, Cartago, Costa Rica | |2008| |
| Geocycle El Salvador S.A. de C.V. (Cementos CESSA; Planta El Ronco Metapan) | Metapan, Santa Ana, El Salvador | |2023| |
| Heritage-Crystal Clean (Chicago North Branch) | Elgin, IL, USA | |2024| |2020| |
| Heritage-Crystal Clean (Chicago AF Branch) | Wood Dale, IL, USA | |2018| |
| Heritage-Crystal Clean (Cincinnati Branch) | Cincinnati, OH, USA | |2021| |2018| |
| Heritage-Crystal Clean (Cleveland Branch) | North Royalton, OH, USA | |2018| |
| IBC Recon Services (Container Technology Inc) | Rialto, CA, USA | |2024| |
| Industrial Container Services (Columbus Drum Reclaimers; ICS) | Gahanna, OH, USA | |2022| |2017| |2013| |
| K. B. Recycling (Canby Disposal) | Canby, OR, USA | |2012| |
| Laidlaw Environmental Services de Mexico (Clean Harbors) | Ciudad Juarez, Chihuahua, Mexico | |2004| |
| Little Forks Landfill (Cumberland Joint Services Management Authority) | Spring Hill, NS, Canada | |2007| |
| Perma-Fix of Michigan (Chem-Met Services) | Brownstown, MI, USA | |2002| |1999| |1995| |
| Petro-Chem (Clean Earth Environmental Solutions) | Detroit, MI, USA | |2022| |2019| |2016| |2013| |2010| |2007| |2003| |2001| |2000| |1998| |
| Philip Reclamation Services (Clean Earth Environmental Solutions; Stericycle Environmental Solutions; Eltex Chemical) | Houston, TX, USA | |2023| |2020| |2018| |2016| |2015| |2012| |2008| |2005| |2002| |
| Porocel (Criterion Catalyst & Technologies; Catalyst Recovery, Inc.) | Medicine Hat, AB, Canada | |2019| |2014| |2001| |
| PreZero Gestion de Residuos (CESPA Gestion De Residuos) | San Sebastian de los Reyes, Madrid, Spain | |2023| |
| Pure Earth Recycling (Casie Protank; Casie Ecology Oil Salvage) | Vineland, NJ, USA | |2009| |2006| |2002| |
| R360 Environmental Solutions (Controlled Recovery Inc; CRI) | Halfway, NM, USA | |2020| |2016| |2011| |
| Renewi (CCD; AVR-Van Gansewinkel Central Chemical Depot) | Moerdijk, Noord-Brabant, Netherlands | |2022| |2007| |
| Renova Tratamento de Residuos Ltda. (Coprocessamento Facility) | Ijaci, Minas Gerais, Brazil | |2024| |
| 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| |
| 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 Advanced Processing (Circon Environmental; Intergulf) | La Porte, TX, USA | |2024| |2021| |2017| |2016| |2012| |
| 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| |
| 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 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| |
| Rinchem Company, Inc. (Compaņia Rinquim S.A. de C.V) | Ciudad Juarez, Chihuahua, Mexico | |2005| |
| Safety-Kleen Systems, Inc. (Charlotte Oil Terminal; First Recovery) | Charlotte, NC, USA | |2023| |2013| |
| Schuetz Container Systems, Inc. (Cardinal Container) | Pasadena, TX, USA | |2024| |2019| |
| Secure Northern Rockies Landfill (CCS; Tervita) | Fort Nelson, BC, Canada | |2023| |
| SIAVED (CIDEME) | Douchy-les-Mines, Hauts-de-France, France | |2013| |
| Sichuan Jinfuhua Environmental Engineering Co. Ltd. (Chengdu Shuangliu Env Engineering Co) | Chengdu, Sichuan Province, China | |2009| |
| Somers Sanitation (City Carting Corp; Bria Carting Corp) | Somers, NY, USA | |2020| |2017| |
| SUEZ R&R Wallonia Jumet (Centre de Regroupement Dechets Dangereux) | Charleroi, Wallonia, Belgium | |2022| |2016| |
| Tervita (CCS Energy Services; Lindbergh Cavern Facility) | Lindbergh, AB, Canada | |2007| |
| Tervita Ft. St. John / Boundary Lake TRD (CCS) | Fort St. John, BC, Canada | |2014| |
| Tervita Willesden Green LF (CCS) | Rocky Mountain House, AB, Canada | |2019| |2014| |
| Transpacific Industries (Cleanaway) | Tullamarine, Victoria, Australia | |2002| |
| Triumvirate Environmental (Canada), Inc. (ChemTECH Environment Inc) | Contrecoeur, QC, Canada | |2023| |2019| |
| Umicore Specialty Materials Recycling, LLC (CP Chemical Group) | Wickliffe, OH, USA | |2014| |
| Valicor Environmental Services (Clean Water Environmental; Perma-Fix of Dayton) | Dayton, OH, USA | |2023| |2020| |2017| |2015| |2012| |2008| |2002| |1999| |1995| |
| Veolia Environmental Services (Catalyst Environmental Solutions) | Bibra Lake, Western Australia, Australia | |2023| |2019| |
| Veolia Environmental Services Pty Ltd (Collex Powerclean) | Camellia, New South Wales, Australia | |2002| |
| Veolia ES (UK) Ltd. (Cleanaway) | Ellesmere Port, Cheshire, United Kingdom (England) | |2020| |2017| |2013| |2011| |2008| |
| Veolia Rainham Landfill Site (Cleanway) | Rainham, Essex, United Kingdom (England) | |2013| |
| Votorantim Cimentos (Cimento Poty) | Sobral, Ceara, Brazil | |2007| |
| WCI White Oaks Landfill (Consolidated Waste Ind White Oaks LF) | Monroe, LA, USA | |2013| |
| WM Mesquite Creek Landfill (Comal County Landfill) | New Braunfels, TX, USA | |2017| |
| WM Monarch Hill Landfill (Central Disposal, Mt. Trashmore) | Pompano Beach, FL, USA | |2020| |2017| |2012| |
| WM Monroeville Landfill (Chambers Development Co.) | Monroeville, PA, USA | |2022| |2012| |
| WM Oakridge Landfill (Chambers) | Dorchester, SC, USA | |2022| |2013| |2011| |
| WM Recycle America, L.L.C. (Clay Road MRF; Gulf Coast Recycling) | Houston, TX, USA | |2012| |
| WM Vickery Environmental (CWM; Chem Waste) | Vickery, OH, USA | |2024| |2021| |2018| |2004| |2000| |
| WM Western Waste Reclamation No. 7 (Conroe 7 Industrial Waste Landfill) | Conroe, TX, USA | |2018| |2012| |
