| SEQUOIA ENERGY LLC | | | mining environmental violation | 2011 | KY-ENV | $75,000 |
| EAST KENTUCKY POWER COOPERATIVE | East Kentucky Power Cooperative | utilities and power generation | air pollution violation | 2011 | KY-ENV | $75,000 |
| AEP KENTUCKY POW ER / BIG SANDY PLANT | American Electric Power | utilities and power generation | air pollution violation | 2010 | KY-ENV | $75,000 |
| O&K MATERIALS INC | | | solid waste violation | 2005 | KY-ENV | $75,000 |
| CARMEUSE LIME & STONE,INC. D/B/A DRAVO LIME, INC. | Carmeuse | mining and minerals | air pollution violation | 2005 | KY-ENV | $75,000 |
| NOVEON, INC | Berkshire Hathaway | diversified | air pollution violation | 2004 | KY-ENV | $75,000 |
| Vertex Refining LA, LLC | | | environmental violation | 2017 | LA-ENV | $75,000 |
| Honeywell International, Inc. | Honeywell International | diversified | environmental violation | 2016 | LA-ENV | $75,000 |
| TESTA CORPORATION | | | environmental violation | 2006 | MA-ENV | $75,000 |
| JAMES G GRANT COMPANY INC | | | environmental violation | 2006 | MA-ENV | $75,000 |
| RAVENBROOK FARMS DEMOLITION LANDFILL | | | environmental violation | 2001 | MA-ENV | $75,000 |
| Griffith Energy Services, Inc. | | | underground storage tank violation | 2020 | MD-ENV | $75,000 |
| GenOn Chalk Point | NRG Energy | utilities and power generation | air pollution violation | 2020 | MD-ENV | $75,000 |
| Harwood Landfill, Inc. | | | water pollution violation | 2013 | MD-ENV | $75,000 |
| W.M. Davis Inc. | | | environmental violation | 2012 | MD-ENV | $75,000 |
| SCHMIDT BAKING COMPANY | | | air pollution violation | 2010 | MD-ENV | $75,000 |
| MIRANT-CHALK POINT | | | air pollution violation | 2006 | MD-ENV | $75,000 |
| MIRANT-DICKERSON | | | air pollution violation | 2002 | MD-ENV | $75,000 |
| William T. Gardner & Sons, Inc. | | | environmental violation | 2012 | ME-ENV | $75,000 |
| Turner Realty, LLC | | | underground storage tank violation | 2012 | ME-ENV | $75,000 |
| Mesabi Nugget Delaware LLC | Steel Dynamics Inc. | metals | air pollution violation | 2017 | MN-ENV | $75,000 |
| Progressive Rail Inc | | | hazardous waste violation | 2011 | MN-ENV | $75,000 |
| Progressive Rail Inc | | | environmental violation | 2008 | MN-ENV | $75,000 |
| Continental Cement Company LLC | Summit Materials | building materials | air pollution violation | 2016 | MO-ENV | $75,000 |
| Gulf South Pipeline Company, LLC | Loews Corp. | diversified | environmental violation | 2019 | MS-ENV | $75,000 |
| Crown Cork and Seal USA Inc. | Crown Holdings Inc. | paper and packaging | environmental violation | 2016 | MS-ENV | $75,000 |
| BFI Waste Systems of Mississippi LLC, Little Dixie Landfill | Republic Services | waste management and environmental services | environmental violation | 2016 | MS-ENV | $75,000 |
| Signal Peak Energy LLC | Global Mining Holding | mining and minerals | mining environmental violation | 2020 | MT-ENV | $75,000 |
| Crow Butte Resources, Inc. | | | water pollution violation | 2008 | NE-ENV | $75,000 |
| Roads Corporation | | | environmental violation | 2002 | NH-ENV | $75,000 |
| RICH PRODUCTS | Rich Products | food products | water pollution violation | 2018 | NJ-ENV | $75,000 |
| WILENTA FEED INC | | | solid waste violation | 2007 | NJ-ENV | $75,000 |
| SADDLE MOUNTAIN LLP | | | air pollution violation | 2002 | NJ-ENV | $75,000 |
| Frontier Field Services, LLC | | | environmental violation | 2017 | NM-ENV | $75,000 |
| OXY USA WTP LP | Occidental Petroleum | oil and gas | environmental violation | 2011 | NM-ENV | $75,000 |
| American Auto Body & Recovery Inc. | | | environmental violation | 2018 | NY-ENV | $75,000 |
| Mezzacappa Brothers, Inc. | | | environmental violation | 2010 | NY-ENV | $75,000 |
| Parmar Brothers Inc. | | | environmental violation | 2010 | NY-ENV | $75,000 |
| 134-15 Rock Management Corp. and S & H Auto Repairs, Inc., dba Punjab Auto Repairs | | | environmental violation | 2008 | NY-ENV | $75,000 |
| Linden Latimer Holdings, LLC | | | environmental violation | 2008 | NY-ENV | $75,000 |
| Gasco-Merrick Road Gas Corp. | | | environmental violation | 2008 | NY-ENV | $75,000 |
| 125 Broadway, LLC | | | environmental violation | 2006 | NY-ENV | $75,000 |
| Blue Racer Midstream, LLC | | | environmental violation | 2020 | OH-ENV | $75,000 |
| XTO Energy Inc. | Exxon Mobil | oil and gas | environmental violation | 2018 | OH-ENV | $75,000 |
| RAAW, LLC | | | environmental violation | 2016 | OH-ENV | $75,000 |
| Oglebay Norton Industrial Sands, Inc. | | | environmental violation | 2010 | OH-ENV | $75,000 |
| Hercules Polishing & Plating, Inc. | | | environmental violation | 2008 | OH-ENV | $75,000 |
| Columbus Steel Castings Co. | Protostar Partners | private equity (including portfolio companies) | environmental violation | 2007 | OH-ENV | $75,000 |
| JGR Properties, Inc. | | | environmental violation | 2007 | OH-ENV | $75,000 |
| USG Interiors, Inc. and American Metals Corp., Westlake | | | environmental violation | 2004 | OH-ENV | $75,000 |
| REI Consultants, Inc. | | | environmental violation | 2015 | PA-ENV | $75,000 |
| Joao and Bradley Construction Company and Steckbeck Engineering and Surveying, Inc. | | | environmental violation | 2014 | PA-ENV | $75,000 |
| Range Resources-Appalachia LLC | Range Resources | oil and gas | environmental violation | 2014 | PA-ENV | $75,000 |
| Westmoreland Waste, LLC | | | environmental violation | 2005 | PA-ENV | $75,000 |
| CHESTER WOOD PRODUCTS LLC | | | air pollution violation | 2011 | SC-ENV | $75,000 |
| Flash Market #159 | | | underground storage tank violation | 2018 | TN-ENV | $75,000 |
| The Chemours Company FC LLC | Chemours | chemicals | air pollution violation | 2015 | TN-ENV | $75,000 |
| SA Recycling LLC | | | water pollution violation | 2010 | TN-ENV | $75,000 |
| ExxonMobil Oil Corporation | Exxon Mobil | oil and gas | environmental violation | 2016 | TX-ENV | $75,000 |
| Shell Chemical LP | Shell PLC | oil and gas | environmental violation | 2016 | TX-ENV | $75,000 |
| Exxon Mobil Corporation | Exxon Mobil | oil and gas | environmental violation | 2007 | TX-ENV | $75,000 |
| H.H.J., Inc. | | | environmental violation | 2005 | TX-ENV | $75,000 |
| Osborn Stone Company, Inc. | | | environmental violation | 2005 | TX-ENV | $75,000 |
| Marathon Ashland Petroleum LLC | Marathon Petroleum | oil and gas | environmental violation | 2003 | TX-ENV | $75,000 |
| Nuverra Environmental | Nuverra Environmental Solutions | oilfield services and supplies | environmental violation | 2016 | UT-ENV | $75,000 |
| Dynamic Aviation Group, Inc. | | | environmental violation | 2018 | VA-ENV | $75,000 |
| Nop Brothers and Sons | | | environmental violation | 2021 | VT-AG | $75,000 |
| Apogee Wausau Group, Inc., Linetec | | | air pollution violation | 2018 | WI-ENV | $75,000 |
| WILLIAMS OHIO VALLEY MIDSTREAM LLC | Williams Companies | oil and gas | air pollution violation | 2016 | WV-ENV | $75,000 |
| HEP SHALEWATER SOLUTIONS, LLC | | | air pollution violation | 2016 | WV-ENV | $75,000 |
| EQT PRODUCTION COMPANY | EQT Corp. | oil and gas | air pollution violation | 2015 | WV-ENV | $75,000 |
| VITRUVIAN EXPLORATION, LLC | | | air pollution violation | 2012 | WV-ENV | $75,000 |
| Mountain Gas Resources, LLC | | | air pollution violation | 2009 | WY-ENV | $75,000 |
| Mountain Gas Resources, Inc. | | | air pollution violation | 2007 | WY-ENV | $75,000 |
| Pinnacle Gas Resources, Inc. | | | water pollution violation | 2006 | WY-ENV | $75,000 |
| Midwest Truck Products LLC | | | air pollution violation | 2021 | EPA | $75,000 |
| Atlantic County Utilities Authority | | | air pollution violation | 2021 | EPA | $75,000 |
| Sun Air Jets, LLC | | | environmental violation | 2021 | CA-VCDA | $75,000 |
| Holcim, Inc. | Holcim Group | building materials | environmental violation | 2021 | AL-ENV | $75,000 |
| APlus Truck Sales, Inc. | | | air pollution violation | 2021 | EPA | $75,000 |
| Bowman Plating Co Inc | | | air pollution violation | 2021 | CA-SCAQMD | $75,000 |
| Carlton Forge Works | Berkshire Hathaway | diversified | air pollution violation | 2018 | CA-SCAQMD | $75,000 |
| Farmer Bros Co | Farmer Brothers Co. | food products | air pollution violation | 2017 | CA-SCAQMD | $75,000 |
| ConocoPhillips Company | ConocoPhillips | oil and gas | air pollution violation | 2005 | CA-SCAQMD | $75,000 |
| SFPP, L. P. | Kinder Morgan | pipelines | air pollution violation | 2005 | CA-SCAQMD | $75,000 |
| Nicholson Vertex LP | | | air pollution violation | 2003 | CA-SCAQMD | $75,000 |
| Costco Wholesales | Costco | retailing | air pollution violation | 2000 | CA-SCAQMD | $75,000 |
| Road Ranger, L.L.C. | | | environmental violation | 2020 | TX-ENV | $75,000 |
| Alabama Power Co. | Southern Company | utilities and power generation | environmental violation | 2022 | AL-ENV | $75,000 |
| EverGreen Bio Recycling, LLC | | | environmental violation | 2022 | GA-ENV | $75,000 |
| Wisconsin Veneer and Plywood, Inc. | | | environmental violation | 2022 | WI-AG | $75,000 |
| Gannett Kentucky L.P. | Gannett | media | air pollution violation | 2005 | KY-LMAPCD | $75,000 |
| Tesoro Refining & Marketing Co. LLC | Marathon Petroleum | oil and gas | air pollution violation | 2014 | WA-NCAA | $75,000 |
| National Salvage & Service Corporation | | | environmental violation | 2022 | AL-ENV | $75,000 |
| Home Depot U.S.A., Inc. | Home Depot | retailing | air pollution violation | 2022 | CA-ARB | $75,000 |
| Cornerstone Chemical Co. | Littlejohn & Co. | private equity (including portfolio companies) | environmental violation | 2022 | LA-ENV | $75,000 |
| Gramercy Holdings I LLC | | | environmental violation | 2022 | LA-ENV | $75,000 |
| CNX Gas Company LLC | CNX Resources | oil and gas | environmental violation | 2022 | PA-ENV | $75,000 |
| International Flavors & Fragrances | International Flavors & Fragrances | chemicals | environmental violation | 2023 | DE-ENV | $75,000 |
| Asahi Kasei Plastics North America, Inc. | Asahi Kasei | chemicals | environmental violation | 2023 | MI-AG | $75,000 |
| American Scrap Iron and Metal, LLC | | | environmental violation | 2023 | SC-ENV | $75,000 |
