| Facility Name (Alias/Former Names) | City, State, Country | Program Years |
| All Waste Services, Inc. (Inchem Environmental Inc.) | Guiguinto, Bulacan, Philippines | |2010| |
| Container Lifecycle Management LLC (Indianapolis Drum Service) | Indianapolis, IN, USA | |2017| |2005| |
| Crystal Clean (International Petroleum Corporation; FCC Environmental USFilter; IPC; EarthCare) | Wilmington, DE, USA | |2013| |2011| |2010| |2008| |2006| |2003| |2001| |
| HEPACO (Industrial Marine Services) | Norfolk, VA, USA | |2026| |2021| |2012| |
| IAG (Ihlenberger Abfallentsorgungs-Gesellschaft mbH) | Selmsdorf, Mecklenburg-West Pomerania, Germany | |2010| |
| IBC Recon Services (Container Technology Inc) | Rialto, CA, USA | |2024| |
| Ichikawa Kankyo Engineering Co., Ltd. | Ichikawa, Chiba, Japan | |2025| |
| ICS Universal Drum Reconditioning (Industrial Container; ICS; All Tank) | Mississauga, ON, Canada | |2026| |2022| |2019| |2013| |
| IDM S.A. | San Lorenzo, Santa Fe, Argentina | |2016| |
| IESI Bethlehem Landfill | Bethlehem, PA, USA | |2013| |
| IFCO Recycling | Caguas, PR, USA | |2026| |2020| |2012| |
| IHD Solids Management, LLC (Indian Hills Waste Disposal) | Alexander, ND, USA | |2013| |
| IKOS Soil Mix | Pitres, Normandy, France | |2012| |
| Illini Environmental | Caseyville, IL, USA | |2023| |2018| |
| Illinois Recovery Group, Inc. | Braceville, IL, USA | |2018| |
| Impact Environnement Gabon (IEG) | Port-Gentil, Ogooue-Maritime, Gabon | |2011| |
| IMPACT Services, Inc. (Secure Support Facility) | Oak Ridge, TN, USA | |2010| |
| Incinera Tratamento de Residuos Ltda. | Senador Canedo, Goias, Brazil | |2023| |
| Indaver (Doel-Beveren Facility; SLECO) | Doel, Flanders, Belgium | |2020| |2016| |2011| |
| Indaver Industrial Waste Services B.V. (Indaver Gevaarlijk Afval) | Hoek, Zeeland, Netherlands | |2025| |
| Indaver NV | Antwerp, Flanders, Belgium | |2025| |2023| |2020| |2019| |2016| |2011| |2006| |
| Indaver Solvents (BIP Chemical Holdings) | Middlewich, Cheshire, United Kingdom (England) | |2024| |
| Indaver Transfer Station (Dublin Port Hazardous Waste Facility; Minchem) | Dublin, County Dublin, Ireland | |2021| |2017| |2013| |
| Indaver Waste to Energy | Duleek, County Meath, Ireland | |2025| |2021| |2017| |
| Indcom Ambiental Ltda | Anapolis, Goias, Brazil | |2023| |
| Indian Creek Landfill No. 2 | Hopedale, IL, USA | |2011| |
| Industria Ambiental S.A.S. (Grupo Orco; Oil Recovery Systems Co S.A.) | Cartagena, Bolivar, Colombia | |2023| |2011| |
| Industrial Container Services (IFCO; Waymire Drum; Palex) | Montebello, CA, USA | |2016| |2012| |2002| |
| Industrial Container Services | Zellwood, FL, USA | |2022| |2018| |2014| |
| Industrial Container Services (Next Day Container) | Delphi, IN, USA | |2022| |
| Industrial Container Services (East Coast Container) | Matthews, NC, USA | |2020| |2016| |
| Industrial Container Services (Columbus Drum Reclaimers; ICS) | Gahanna, OH, USA | |2022| |2017| |2013| |
| Industrial Container Services (ACN-Providence; American Container Net; Russell-Stanley) | Smithfield, RI, USA | |2010| |2006| |2004| |2001| |
| Industrial Container Services (Moore Drums, Inc.) | Charleston, SC, USA | |1998| |
| Industrial Container Services | Taylors, SC, USA | |2017| |
| Industrial Container Services (ACN-Burbank; Burbank Barrel) | Galena Park, TX, USA | |2022| |2018| |2015| |2012| |2007| |
| Industrial Container Services (ICS Seattle) | Seattle, WA, USA | |2018| |
| Industrial Resource Network (IRN) | Wilmington, DE, USA | |2005| |
| Industrial Scrap Metals, LLC | Golden Meadow, LA, USA | |2021| |
| Industrial Service Oil Company (Safety-Kleen Corporation) | Los Angeles, CA, USA | |2025| |2018| |
| INERTCO (DMC Electronics) | Hagerstown, MD, USA | |2002| |
| Ingenium | Milpitas, CA, USA | |2016| |
| Inland Products | Kilgore, TX, USA | |2011| |2007| |2000| |1997| |
| 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| |
| Innova Ambiental | Yumbo, Valle del Cauca, Colombia | |2023| |
| InStrat, Inc. | Rio Vista, CA, USA | |2014| |2002| |
| Intechra (ePC; Electronics Partners Corporation) | Los Angeles, CA, USA | |2005| |
| Intechra | Windsor, CT, USA | |2010| |
| Integrated Environmental Systems | Oakland, CA, USA | |1999| |
| Integrated Water Management (Uintah Basin Facility) | Duchesne, UT, USA | |2018| |
| Intercon Solutions | Chicago Heights, IL, USA | |2012| |
| International Scrap Iron & Metal Co., Inc. | Trainer, PA, USA | |2011| |
| IOSA CARLO s.r.l. | Terni, Umbria, Italy | |2013| |
| IPALLE s.c.r.l. | Thumaide, Wallonia, Belgium | |2016| |
| IPES S.A. (Ipes plant) | Bahia Blanca, Buenos Aires, Argentina | |2019| |
| Irish Lamp Disposal Company, Ltd. | Athy, County Kildare, Ireland | |2015| |
| Iron Mountain (ITRenew) | Olathe, KS, USA | |2023| |
| ISTAC A.S. (Istanbul Cevre Yonetimi Sanayi ve Tic. A.S.) | Eyup, Istanbul, Turkey | |2017| |
| Itelyum Purification S.p.a. | Landriano Pavia, Lombardy, Italy | |2023| |
| Izak Co., Ltd. (Ishizaki Industries Co.) | Toyama City, Toyama, Japan | |2019| |
| Izaydas Izmit Waste and Residue Treatment Incineration Inc. | Izmit, Kocaeli, Turkey | |2017| |2014| |2011| |
| Lambert Saltwater Disposal, Inc. (Indian Mounds Ranch SWD) | Lambert, MT, USA | |2011| |
| Liquid Environmental Solutions (Industrial Water Services) | Mobile, AL, USA | |2020| |2012| |
| Liquid Environmental Solutions (Industrial Water Service; IWS) | Jacksonville, FL, USA | |2024| |2013| |2002| |
| Liquid Environmental Solutions (Industrial Water Service; IWS) | Chicago, IL, USA | |2023| |2016| |2011| |2009| |2005| |
| Mauser Packaging Solutions (Industrial Container Services; Allied Drum) | Louisville, KY, USA | |2024| |2020| |2016| |2011| |
| Mauser Packaging Solutions (Industrial Container Services; Abbey Drum Co.) | Baltimore, MD, USA | |2024| |2011| |2007| |
| Mauser Packaging Solutions (Industrial Container Services; Belfer Drum) | Grand Rapids, MI, USA | |2026| |2022| |2018| |2012| |2006| |
| Mauser Packaging Solutions (Industrial Container Services; Twin City Container) | Cannon Falls, MN, USA | |2021| |
| Mauser Packaging Solutions (Industrial Container Services; Twin City Container) | Hastings, MN, USA | |2022| |
| Mauser Packaging Solutions (Industrial Container Services; IFCO Systems; Pal Ex Container Systems) | Charlotte, NC, USA | |2022| |2016| |
| Mauser Packaging Solutions (Industrial Container Services; ICS-Questar) | Cincinnati, OH, USA | |2024| |2020| |
| 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| |
| Nomura Kohsan Co. Ltd. (Itomuka Plant) | Kitami, Hokkaido, Japan | |2023| |2019| |2015| |
| Progressive Waste Solutions Buffalo Creek LF (IESI) | Iowa Park, TX, USA | |2013| |
| SepraMet, Ltd. (IBC Advanced Technologies) | Houston, TX, USA | |2007| |
| Triumvirate Environmental Pittsburgh, Inc. (Infectious & Chemotherapeutic Waste (ICW) Facility) | Jeannette, PA, USA | |2026| |2022| |2018| |2015| |
| Trussco (Intracoastal City ICY; NORM Facility) | Abbeville, LA, USA | |2022| |2018| |2012| |2004| |
| Waste Connections Turkey Creek Landfill (IESI) | Alvarado, TX, USA | |2020| |
| WM Cumberland County LF (Interstate Waste Services) | Newburg, PA, USA | |2022| |2018| |2012| |