| Scotts Miracle-Gro Company | Scotts Miracle-Gro | chemicals | pesticide violation | 2012 | EPA | $12,000,000 |
| Pelican Refining Company LLC | Pelican Refining | oil and gas | air pollution violation | 2011 | EPA | $12,000,000 |
| Harley-Davidson | Harley-Davidson | motor vehicles | air pollution violation | 2016 | EPA | $12,000,000 |
| Honeywell International | Honeywell International | diversified | environmental violation | 2007 | USAO | $12,000,000 |
| ExxonMobil Pipeline Co. | Exxon Mobil | oil and gas | pipeline safety violation | 2016 | DOJ | $12,000,000 |
| ExxonMobil Pipeline Co. | Exxon Mobil | oil and gas | oil spill | 2016 | MT-AG | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $12,000,000 |
| Mattel, Inc. | Mattel | miscellaneous manufacturing | lead violation | 2008 | MULTI-AG | $12,000,000 |
| Hamilton Sundstrand Corporation | RTX Corporation | aerospace and military contracting | environmental violation | 2007 | USAO | $12,000,000 |
| Pacific Carriers Limited | | | environmental violation | 2020 | EPA | $12,000,000 |
| Hamilton Sundstrand Corporation | RTX Corporation | aerospace and military contracting | environmental violation | 2007 | CT-ENV | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $12,000,000 |
| Exxon Corporation | Exxon Mobil | oil and gas | MTBE violation | 2001 | private lawsuit-state | $12,000,000 |
| Monsanto Company | Bayer | chemicals | environmental violation | 2021 | USAO | $12,000,000 |
| 3M Co. | 3M Company | miscellaneous manufacturing | PFAS violation | 2022 | private lawsuit-federal | $12,000,000 |
| Harley-Davidson, Inc. | Harley-Davidson | motor vehicles | air pollution violation | 2020 | EPA | $12,000,000 |
| Tonawanda Coke Corp. | Tonawanda Coke | miscellaneous energy products and systems | air pollution violation | 2015 | EPA | $11,950,000 |
| Cemex Inc. | Cemex | building materials | air pollution violation | 2016 | EPA | $11,840,000 |
| Daimler | Mercedes-Benz Group | motor vehicles | fuel economy (CAFE) violation | 2011 | NHTSA | $11,838,365 |
| Honeywell International Inc. | Honeywell International | diversified | hazardous waste violation | 2011 | EPA | $11,800,000 |
| Coffeyville Resources Refining & Marketing | Icahn Enterprises | diversified | air pollution violation | 2012 | EPA | $11,720,000 |
| Tennessee Valley Authority | | | environmental violation | 2011 | MULTI-AG | $11,700,000 |
| ExxonMobil Oil Corporation | Exxon Mobil | oil and gas | air pollution violation | 2021 | EPA | $11,515,463 |
| Phillips 66 | Phillips 66 | oil and gas | environmental violation | 2015 | CA-AG | $11,500,000 |
| Titan International | Titan International | miscellaneous manufacturing | environmental violation | 2021 | EPA | $11,500,000 |
| DICO INC AND TITAN TIRE CORP | | | environmental violation | 2021 | EPA | $11,500,000 |
| Bouchard Transportation Co. Inc. | Bouchard Transportation | miscellaneous services | oil spill | 2010 | private lawsuit-federal | $11,450,000 |
| East Kentucky Power Cooperative | East Kentucky Power Cooperative | utilities and power generation | air pollution violation | 2007 | EPA | $11,400,000 |
| TRW VSSI INC. | ZF Friedrichshafen | automotive parts | hazardous waste violation | 2001 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $11,400,000 |
| MEMPHIS LIGHT, GAS AND WATER DIVISION | | | PCB violation | 2008 | EPA | $11,314,966 |
| WILLAMETTE INDUSTRIES, INC. | Weyerhaeuser | building materials | air pollution violation | 2000 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $11,231,181 |
| Exxon Mobil Corporation | Exxon Mobil | oil and gas | environmental violation | 2001 | EPA | $11,200,000 |
| Tennessee Valley Authority | | | environmental violation | 2011 | NC-AG | $11,200,000 |
| Willamette Industries | Weyerhaeuser | building materials | air pollution violation | 2000 | MULTI-AG | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $11,200,000 |
| MOBIL OIL CORPORATION | Exxon Mobil | oil and gas | hazardous waste violation | 2002 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $11,200,000 |
| Antero Resources Corporation | Antero Resources | oil and gas | water pollution violation | 2019 | EPA | $11,150,000 |
| 3m Company | 3M Company | miscellaneous manufacturing | PFAS violation | 2022 | private lawsuit-federal | $11,100,000 |
| MBK Partnership | | | environmental violation | 2006 | EPA | $11,000,000 |
| Olympic Pipeline Company | | | environmental violation | 2002 | USAO | $11,000,000 |
| AutoZone, Inc. | AutoZone | retailing | hazardous waste violation | 2019 | CA-AG | $11,000,000 |
| Valero | Valero Energy | oil and gas | environmental violation | 2005 | MULTI-AG | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $11,000,000 |
| AutoZone, Inc. | AutoZone | retailing | hazardous waste violation | 2019 | CA-MULTI | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $11,000,000 |
| Valero Refining-Texas, L.P. | Valero Energy | oil and gas | environmental violation | 2005 | TX-ENV | $11,000,000 |
| Enbridge Energy | Enbridge | pipelines | environmental violation | 2022 | MN-ENV | $11,000,000 |
| Nevada Power Company | Berkshire Hathaway | diversified | air pollution violation | 2007 | EPA | $10,810,000 |
| Exxon Mobil Corporation | Exxon Mobil | oil and gas | oil spill | 2016 | NY-AG | $10,750,000 |
| Equilon Enterprises, LLC dba Shell Oil | Shell PLC | oil and gas | environmental violation | 2005 | CA-MULTI | $10,750,000 |
| A & L Salvage, LLC | | | hazardous waste violation | 2011 | OH-ENV | $10,632,679 |
| Resurrection/Newmont USA, Ltd. | | | environmental violation | 2008 | CO-AG | $10,500,000 |
| Suncor | Suncor Energy | oil and gas | air pollution violation | 2024 | CO-DPHE | $10,500,000 |
| DIESEL OPS | | | air pollution violation | 2022 | EPA | $10,455,925 |
| Columbia Shipmanagement (Deutschland) GmbH and Columbia Shipmanagement Ltd. | Columbia Shipmanagement | freight and logistics | environmental violation | 2013 | USCG | $10,400,000 |
| Shell Chemical LP | Shell PLC | oil and gas | air pollution violation | 2018 | EPA | $10,350,000 |
| Consumers Energy | CMS Energy | utilities and power generation | environmental violation | 2014 | EPA | $10,250,000 |
| Sara Lee Corporation | Bimbo Group | food products | air pollution violation | 2003 | EPA | $10,250,000 |
| Mewbourne Oil Company | | | environmental violation | 2023 | EPA | $10,100,000 |
| Honeywell International Inc. | Honeywell International | diversified | environmental violation | 2016 | private lawsuit-federal | $10,017,000 |
| Honeywell International Inc. | Honeywell International | diversified | environmental violation | 2010 | EPA | $10,000,000 |
| Terminix International Company LP | Rentokil Initial PLC | miscellaneous services | environmental violation | 2016 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $10,000,000 |
| Fleet Management Ltd. | Fleet Management Ltd. | freight and logistics | oil spill | 2009 | USCG | $10,000,000 |
| IMC Shipping Co. Pte. Ltd. | | | environmental violation | 2007 | USCG | $10,000,000 |
| MSC Ship Management (Hong Kong) Limited | | | environmental violation | 2006 | USCG | $10,000,000 |
| Motiva Enterprises LLC | Saudi Arabian Oil Company (Saudi Aramco) | oil and gas | environmental violation | 2005 | EPA | $10,000,000 |
| Apex Oil Company Inc. | Apex Oil | oil and gas | environmental violation | 2016 | IL-AG | $10,000,000 |
| ASARCO | Grupo Mexico | mining and minerals | environmental violation | 2008 | CO-AG | $10,000,000 |
| BP Corporation | BP | oil and gas | air pollution violation | 2001 | MULTI-AG | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $10,000,000 |
| DuPont Co. | DuPont de Nemours | chemicals | lead violation | 2005 | RI-AG | $10,000,000 |
| Monsanto Company | Bayer | chemicals | pesticide violation | 2019 | USAO | $10,000,000 |
| Bouchard Transportation Co. | Bouchard Transportation | miscellaneous services | water pollution violation | 2004 | USAO | $10,000,000 |
| Republic Services of Ohio II, LLC dba Countywide Recycling and Disposal Facility | Republic Services | waste management and environmental services | environmental violation | 2009 | OH-ENV | $10,000,000 |
| Sunnyside Gold Corporation | | | mining environmental violation | 2021 | private lawsuit-federal | $10,000,000 |
| Frontier Oil Corp. | | | environmental violation | 2007 | private lawsuit-state | $10,000,000 |
| Met-Coil Systems Corporation and Mestek Inc. | | | environmental violation | 2002 | private lawsuit-federal | $10,000,000 |
| Chevron Corp. | Chevron | oil and gas | MTBE violation | 2001 | private lawsuit-state | $10,000,000 |
| KMCO, LLC | ALTIVIA | chemicals | environmental violation | 2020 | TX-ENV | $10,000,000 |
| DieselOps LLCandOrion Diesel LLC | | | environmental violation | 2022 | EPA | $10,000,000 |
| Sunoco Pipeline L.P., and ETC Northeast Pipeline LLC | Energy Transfer | pipelines | environmental violation | 2022 | PA-AG | $10,000,000 |
| AMOCO OIL COMPANY, ET. AL. | BP | oil and gas | air pollution violation | 2001 | EPA | $10,000,000 |
| BP EXPLORATION & OIL COMPANY - (NC) (8 Facilities) | BP | oil and gas | environmental violation | 2001 | EPA | $10,000,000 |
| BP PRODUCTS NORTH AMERICA | BP | oil and gas | air pollution violation | 2022 | EPA | $10,000,000 |
| KOCH INDUSTRIES, INC. | Koch Industries | diversified | water pollution violation | 2000 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $10,000,000 |
| BP AMOCO | BP | oil and gas | air pollution violation | 2001 | EPA | $10,000,000 |
| Shell Chemicals Appalachia, LLC | Shell PLC | oil and gas | environmental violation | 2023 | PA-ENV | $9,935,023 |
| Shell Chemicals Appalachia, LLC | Shell PLC | oil and gas | environmental violation | 2023 | PA-ENV | $9,935,023 |
| Home Depot | Home Depot | retailing | hazardous waste violation | 2007 | CA-MULTI | $9,900,000 |
| O'Reilly Auto Enterprises, LLC et al. | O'Reilly Automotive | retailing | environmental violation | 2016 | CA-MULTI | $9,870,000 |
| Safeway Inc. | Albertsons Companies | retailing | hazardous waste violation | 2015 | CA-MULTI | $9,870,000 |
| Jaguar Land Rover | Tata Group | diversified | fuel economy (CAFE) violation | 2013 | NHTSA | $9,819,002 |
| D. G. Yuengling and Son Inc. | D. G. Yuengling and Son | beverages | water pollution violation | 2016 | EPA | $9,800,000 |
| Vehicle Safety Systems Inc. | | | environmental violation | 2001 | EPA | $9,800,000 |
| Chesapeake Appalachia LLC | Chesapeake Energy | oil and gas | water pollution violation | 2013 | EPA | $9,700,000 |
| Tyco Printed Circuit Group LP | TTM Technologies | electrical and electronic equipment | water pollution violation | 2004 | USAO | $9,700,000 |
| The Home Depot | Home Depot | retailing | lead violation | 2021 | EPA | $9,609,000 |
| Home Depot, USA, Inc. | Home Depot | retailing | lead violation | 2021 | EPA | $9,609,000 |
| Shell Chemical L.P. and Shell Chemical Yabucoa | Shell PLC | oil and gas | environmental violation | 2010 | EPA | $9,500,000 |
| Wood Group PSN Inc. | Wood Group | oilfield services and supplies | oil or gas drilling violation | 2017 | EPA | $9,500,000 |
| DirecTV | AT&T | telecommunications | hazardous waste violation | 2017 | CA-AG | $9,500,000 |
| ExxonMobil | Exxon Mobil | oil and gas | PCB violation | 2022 | NJ-AG | $9,500,000 |
| Apache Corporation | APA Corporation | oil and gas | air pollution violation | 2024 | EPA | $9,500,000 |
| Apache Corp. | APA Corporation | oil and gas | air pollution violation | 2024 | NM-ENV | $9,500,000 |
| MOTIVA ENTERPRISES, LLC. | Saudi Arabian Oil Company (Saudi Aramco) | oil and gas | air pollution violation | 2001 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $9,500,000 |
| Huntsman Petrochemical Corp. | Huntsman Corp. | chemicals | air pollution violation | 2003 | TX-AG | $9,375,000 |
| IOWA BEEF PACKERS | Tyson Foods | food products | air pollution violation | 2009 | EPA | $9,350,000 |
