| CITGO PETROLEUM CORPORATION | PDVSA (Petroleos de Venezuela S.A.) | oil and gas | air pollution violation | 2005 | EPA | $7,288,700 |
| Shintech, Inc. | Shin-Etsu Chemical | chemicals | hazardous waste violation | 2009 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $7,285,004 |
| Cyprus Amax Minerals Co. and Missouri Lead Smelting Co. | Freeport-McMoRan | mining and minerals | environmental violation | 2014 | MO-AG | $7,284,677 |
| ConocoPhillips | Phillips 66 | oil and gas | environmental violation | 2010 | EPA | $7,250,000 |
| Sasol North America | Sasol | chemicals | environmental violation | 2010 | EPA | $7,250,000 |
| National Navigation Company | | | oil spill | 2008 | USCG | $7,250,000 |
| Interstate Power and Light, a subsidiary of Alliant Energy | Alliant Energy | utilities and power generation | environmental violation | 2015 | EPA | $7,100,000 |
| Freedom Performance, LLC. | | | air pollution violation | 2020 | EPA | $7,058,647 |
| Freedom Performance, LLC | | | air pollution violation | 2020 | EPA | $7,058,000 |
| The Ohio Valley Coal Company | American Consolidated Natural Resources Inc. | mining and minerals | water pollution violation | 2012 | USAO | $7,050,000 |
| Jenn Feng Industrial Company and MTD Products | | | air pollution violation | 2008 | EPA | $7,000,000 |
| Chevron USA | Chevron | oil and gas | air pollution violation | 2000 | EPA | $7,000,000 |
| Airgas Doral Inc. | Air Liquide | industrial services | hazardous waste violation | 2016 | USAO | $7,000,000 |
| George H. Johnson Companies | | | environmental violation | 2007 | AZ-DEQ | $7,000,000 |
| Exxon Mobil | Exxon Mobil | oil and gas | MTBE violation | 2012 | private lawsuit-state | $7,000,000 |
| Home Depot USA Inc | Home Depot | retailing | air pollution violation | 2019 | CA-SCAQMD | $7,000,000 |
| DOE RUN RESOURCES CORPORATION | Renco | diversified | hazardous waste violation | 2011 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $7,000,000 |
| CHEVRON U.S.A., INC. | Chevron | oil and gas | 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. $7,000,000 |
| American Honda Motor Co., Inc. | Honda | motor vehicles | air pollution violation | 2021 | CA-ARB | $6,994,517 |
| Electrolux Home Products, Inc. | Electrolux | housewares and home furnishings | environmental violation | 2020 | EPA | $6,991,400 |
| Electrolux Home Products, Inc. | Electrolux | housewares and home furnishings | environmental violation | 2020 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $6,991,400 |
| Sunoco | Energy Transfer | pipelines | 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. $6,900,000 |
| Republic Services, Inc. | Republic Services | waste management and environmental services | environmental violation | 2014 | private lawsuit-federal | $6,886,500 |
| Daimler | Mercedes-Benz Group | motor vehicles | fuel economy (CAFE) violation | 2009 | NHTSA | $6,870,435 |
| Duke Energy Carolinas, LLC | Duke Energy | utilities and power generation | environmental violation | 2016 | NC-ENV | $6,831,005 |
| Freeport-McMoRan Corporation | Freeport-McMoRan | mining and minerals | mining environmental violation | 2012 | DOJ | $6,800,000 |
| Enbridge Energy | Enbridge | pipelines | environmental violation | 2020 | EPA | $6,772,150 |
| MASSEY ENERGY CO. & SUBSIDIARIES (NATIONAL CASE) | Alpha Metallurgical Resources | mining and minerals | water pollution violation | 2008 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $6,700,000 |
| Columbus Manufacturing Inc., a wholly owned subsidiary of Columbus Foods LLC | Hormel Foods | food products | air pollution violation | 2012 | EPA | $6,685,446 |
| Baldwin & Sons | | | environmental violation | 2022 | CA-WAT | $6,600,000 |
| Intercontinental Terminals Company LLC | | | environmental violation | 2024 | EPA | $6,600,000 |
| International Terminals Company, LLC | | | environmental violation | 2024 | TX-AG | $6,600,000 |
| VALERO REFINING COMPANY (LEAD) (National Case) | Valero Energy | oil and gas | air pollution violation | 2005 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $6,592,308 |
| StarKist Co. | Dongwon Group | food products | water pollution violation | 2018 | EPA | $6,588,000 |
| Derive Systems | | | environmental violation | 2018 | EPA | $6,550,000 |
| LACEY AND HOLLIS PETROLEUM INC | | | environmental violation | 2002 | TX-ENV | $6,514,042 |
| Patriot Coal Corporation | | | water pollution violation | 2009 | EPA | $6,500,000 |
| Wallenius Ship Management Pte. Ltd. | Wallenius Wilhelmsen Logistics | freight and logistics | environmental violation | 2006 | USAO | $6,500,000 |
| Lyondell Chemical Company | LyondellBasell Industries | chemicals | environmental violation | 2008 | TX-AG | $6,500,000 |
| MOEX Offshore 2007, LLC | Mitsui | diversified | environmental violation | 2012 | TX-AG | $6,500,000 |
| Waters Technologies Corp. | Waters Corporation | miscellaneous manufacturing | air pollution violation | 2003 | MA-AG | $6,500,000 |
| MOEX Offshore 2007 LLC | Mitsui | diversified | environmental violation | 2012 | LA-ENV | $6,500,000 |
| Shell Chemical | Shell PLC | oil and gas | environmental violation | 2007 | LA-ENV | $6,500,000 |
| Bullseye Glass Co. | | | air pollution violation | 2019 | private lawsuit-state | $6,500,000 |
| Chevron Products Co. | Chevron | oil and gas | air pollution violation | 2006 | CA-SCAQMD | $6,500,000 |
| MPLX LP | MPLX LP | oil and gas | environmental violation | 2023 | EPA | $6,500,000 |
| PATRIOT COAL CORP (5 FACILITIES) | | | water pollution violation | 2009 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $6,500,000 |
| PBS COALS, ET. AL. (29 FACILITIES) | Corsa Coal | mining and minerals | water pollution violation | 2016 | EPA | $6,500,000 |
| North Slope Borough | | | hazardous waste violation | 2022 | EPA | $6,500,000 |
| Porsche Cars North America, Inc. et al. | Volkswagen | motor vehicles | air pollution violation | 2022 | CA-ARB | $6,421,897 |
| Fiat Powertrain Technologies Industrial S.p.A. | Stellantis | motor vehicles | air pollution violation | 2019 | CA-ARB | $6,415,000 |
| Helmerich & Payne International Drilling Company | Helmerich & Payne | oilfield services and supplies | oil or gas drilling violation | 2013 | USAO | $6,400,000 |
| Sonoma Luxury Resort LLC | | | water pollution violation | 2020 | CA-WAT | $6,400,000 |
| StarKist Co. | Dongwon Group | food products | environmental violation | 2017 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $6,388,000 |
| Targa Midstream Services, LLC | Targa Resources | pipelines | environmental violation | 2018 | NM-ENV | $6,384,375 |
| Hyundai Kia | Hyundai Motor | motor vehicles | air pollution violation | 2015 | CA-ARB | $6,343,400 |
| Lennar Corp. | Lennar | construction and engineering | environmental violation | 2022 | private lawsuit-federal | $6,300,000 |
| Premcor Refining Group, Inc. | Valero Energy | oil and gas | water pollution violation | 2002 | EPA | $6,250,000 |
| SANTEE COOPER (SOUTH CAROLINA PUBLIC SERVICE AUTHORITY) - WINYAH & CROSS PLANTS | | | air pollution violation | 2004 | EPA | $6,250,000 |
| CLARK REFINING & MARKETING, INC. | | | air pollution violation | 2002 | EPA | $6,250,000 |
| Premcor Refining Group, Inc. | Valero Energy | oil and gas | air pollution violation | 2007 | DE-ENV | $6,225,000 |
| AMERICAN ELECTRIC POWER CO (NATIONAL CASE) | American Electric Power | utilities and power generation | air pollution violation | 2007 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $6,225,000 |
| Marine Shale Processors Inc. and Recycling Park Inc. | | | environmental violation | 2006 | EPA | $6,200,000 |
| ExxonMobil Pipeline Company | Exxon Mobil | oil and gas | water pollution violation | 2008 | USAO | $6,179,634 |
| ExxonMobil | Exxon Mobil | oil and gas | air pollution violation | 2005 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $6,155,902 |
| SITHE NEW ENGLAND | | | air pollution violation | 2012 | EPA | $6,129,385 |
| Wal-mart Stores, Inc. | Walmart | retailing | hazardous waste violation | 2013 | EPA | $6,116,000 |
| ExxonMobil | Exxon Mobil | oil and gas | air pollution violation | 2008 | EPA | $6,100,000 |
| Erie Coke | | | air pollution violation | 2008 | PA-ENV | $6,100,000 |
| Merck and Company | Merck | pharmaceuticals | water pollution violation | 2008 | EPA | $6,075,000 |
| SUNOCO, INC, PHILADELPHIA, MARCUS HOOK (NATIONAL CASE)(LEAD) | Energy Transfer | pipelines | air pollution violation | 2013 | EPA | $6,050,000 |
| Bouchard Transportation Co. | Bouchard Transportation | miscellaneous services | environmental violation | 2010 | DOJ | $6,000,000 |
| Exelon Mystic LLC | Constellation Energy Corporation | utilities and power generation | air pollution violation | 2004 | EPA | $6,000,000 |
| Emery Worldwide Airlines, Inc. | XPO Logistics | freight and logistics | environmental violation | 2003 | EPA | $6,000,000 |
| Vehicle Safety Systems Inc. | | | hazardous waste violation | 2001 | EPA | $6,000,000 |
| Bouchard Transportation Co. | Bouchard Transportation | miscellaneous services | water pollution violation | 2010 | 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. $6,000,000 |
| Honeywell International Inc. | Honeywell International | diversified | environmental violation | 2008 | AZ-AG | $6,000,000 |
| MCM Construction | | | environmental violation | 2008 | CA-AG | $6,000,000 |
| Kohler Co. | Kohler | building materials | air pollution violation | 2020 | CA-ARB | $6,000,000 |
| Water Gremlin Co | | | air pollution violation | 2019 | MN-ENV | $6,000,000 |
| Erie Coke | | | air pollution violation | 2010 | PA-ENV | $6,000,000 |
| Chevron Products Co. | Chevron | oil and gas | air pollution violation | 2014 | CA-SCAQMD | $6,000,000 |
| Exxon Mobil | Exxon Mobil | oil and gas | MTBE violation | 2023 | RI-AG | $6,000,000 |
| DALTON UTIL | | | water pollution violation | 2001 | EPA | $6,000,000 |
| Hoosier Energy Rural Electric Cooperative Inc. | Hoosier Energy | utilities and power generation | air pollution violation | 2010 | EPA | $5,950,000 |
| The 3M Company | 3M Company | miscellaneous manufacturing | PFAS violation | 2021 | private lawsuit-federal | $5,950,000 |
| Georgia-Pacific LLC | Koch Industries | diversified | PFAS violation | 2021 | private lawsuit-federal | $5,950,000 |
| Plains All American Pipeline L.P. and Plains Pipeline L.P. | Plains GP Holdings | pipelines | pipeline safety violation | 2020 | EPA | $5,925,000 |
| Marathon Petroleum Corporation | Marathon Petroleum | oil and gas | air pollution violation | 2015 | EPA | $5,900,000 |
| Southern Coal Corporation | | | environmental violation | 2016 | EPA | $5,900,000 |
| Pacific Gas and Electric Company | PG&E Corp. | utilities and power generation | environmental violation | 2021 | CA-WAT | $5,900,000 |
| AT&T | AT&T | telecommunications | hazardous waste violation | 2022 | CA-MULTI | $5,900,000 |
| F. Porsche AG & Porsche Cars NA | Volkswagen | motor vehicles | air pollution violation | 2019 | CA-ARB | $5,876,338 |
| Chevron Puerto Rico LLC | Chevron | oil and gas | underground storage tank violation | 2011 | EPA | $5,800,000 |
| South Carolina Public Service Authority (Santee Cooper) | | | air pollution violation | 2004 | EPA | $5,800,000 |
| Shell Oil Company | Shell PLC | oil and gas | air pollution violation | 2009 | private lawsuit-federal | $5,800,000 |
| Fred D. Thebes & Sons Inc. and Dynamite Disposal Inc. | | | environmental violation | 2007 | PA-ENV | $5,700,000 |
| TRW Vehicle Safety Systems Inc | ZF Friedrichshafen | automotive parts | environmental violation | 2001 | AZ-DEQ | $5,670,000 |
| Bayer CropScience LP | Bayer | chemicals | environmental violation | 2016 | EPA | $5,654,000 |
| MarkWest Liberty Midstream Resources, LLC and Ohio Gathering Company, LLC | MPLX LP | oil and gas | environmental violation | 2018 | EPA | $5,610,000 |
| Fiat Chrysler Automobiles N.V., FCA US LLC | Stellantis | motor vehicles | air pollution violation | 2022 | CA-ARB | $5,601,090 |
