| J.R. Simplot Company | J.R. Simplot | agribusiness | hazardous waste violation | 2020 | $775,000 |
| Drummond Company | Drummond | mining and minerals | air pollution violation | 2021 | $775,000 |
| LEIMCO Development Co. & Lake Erie Iron & Metal, I | | | water pollution violation | 2005 | $775,000 |
| Simplot Phosphates, LLC | J.R. Simplot | agribusiness | hazardous waste violation | 2020 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $775,000 |
| TRACTOR SUPPLY CO OF TEXAS | Tractor Supply Co. | retailing | air pollution violation | 2016 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $775,000 |
| Harcros Chemicals, Inc. | Harcros Chemicals | chemicals | air pollution violation | 2017 | $771,415 |
| XTO Energy Inc. | Exxon Mobil | oil and gas | air pollution violation | 2018 | $770,000 |
| OTR PERFORMANCE, INC | | | air pollution violation | 2022 | $770,000 |
| VULCRAFT | | | hazardous waste violation | 2001 | $769,780 |
| ExxonMobil Oil Corporation | Exxon Mobil | oil and gas | air pollution violation | 2005 | $769,393 |
| MHC FINANCING LIMITED PARTNERSHIP | | | water pollution violation | 2000 | $765,000 |
| Suncor Energy (U.S.A.) Inc. | Suncor Energy | oil and gas | air pollution violation | 2023 | $760,660 |
| Suncor Energy (USA) Inc. | Suncor Energy | oil and gas | air pollution violation | 2023 | $760,660 |
| Manke Lumber Company | | | water pollution violation | 2020 | $760,483 |
| All Metals Processing | | | hazardous waste violation | 2008 | $754,964 |
| ARCHER DANIELS MIDLAND COMPANY - SOYBEAN PROCESSING PLANT (National Case) | Archer Daniels Midland | agribusiness | air pollution violation | 2003 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $754,661 |
| 99 Cents Only Stores LLC | Ares Management | private equity (including portfolio companies) | environmental violation | 2022 | $751,055 |
| 99 Cents Only Stores, LLC | Ares Management | private equity (including portfolio companies) | environmental violation | 2022 | $751,055 |
| KOPPERS INDUSTRIES | Koppers | chemicals | water pollution violation | 2008 | $750,676 |
| A.E. Nomikos Shipping Investments & Lounia Shipping Company | Lounia Shipping | freight and logistics | oil spill | 2011 | $750,000 |
| Philsynergy Maritime, Inc. | Philsynergy Maritime | freight and logistics | environmental violation | 2012 | $750,000 |
| Herm. Dauelsberg GrmbH & Co. KG | Herm. Dauelsberg | freight and logistics | environmental violation | 2015 | $750,000 |
| W. Bockstiegel Reederei GmBH & CO. KG and W. Bockstiegel GmBH & Co. Reederei KG MS NILS B | | | environmental violation | 2016 | $750,000 |
| Arbor Hills Energy LLC | | | air pollution violation | 2021 | $750,000 |
| Louisville Gas & Electric Company | PPL Corp. | utilities and power generation | environmental violation | 2021 | $750,000 |
| Edgeboro Disposal Inc. et al. | | | air pollution violation | 2010 | $750,000 |
| AMERICAN ELECTRIC POWER | American Electric Power | utilities and power generation | air pollution violation | 2007 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $750,000 |
| EAST KENTUCKY POWER COOPERATIVE | East Kentucky Power Cooperative | utilities and power generation | air pollution violation | 2007 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $750,000 |
| ROYSTER-CLARK NITROGEN | Nutrien Ltd. | chemicals | air pollution violation | 2007 | $750,000 |
| ARBOR HILLS - FORTISTAR | | | air pollution violation | 2022 | $750,000 |
| Williams Olefins LLC-Complaint-Stipulated Penalty Order-FY2019 | Mubadala Investment Company | diversified | air pollution violation | 2021 | $750,000 |
| WASHINGTON BEEF LLC | Agri Beef | food products | water pollution violation | 2010 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $750,000 |
| KLUBER LUBRICATION | | | environmental violation | 2000 | $750,000 |
| Westlake Chemicals (NC)(LEAD) | Westlake Chemical | chemicals | air pollution violation | 2022 | $750,000 |
| Diesel Freak, LLC | | | air pollution violation | 2024 | $750,000 |
| MarkWest Javelina | MPLX LP | oil and gas | air pollution violation | 2013 | $747,500 |
| Toll Brothers Inc. | Toll Brothers | construction and engineering | water pollution violation | 2012 | $741,000 |
| Harcros Chemicals Inc. | Harcros Chemicals | chemicals | environmental violation | 2019 | $739,745 |
| HARCROS CHEMICALS INC | Harcros Chemicals | chemicals | hazardous waste violation | 2019 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $739,745 |
| Liphatech, Inc. | De Sangosse | agribusiness | pesticide violation | 2014 | $738,000 |
| LIPHATECH | De Sangosse | agribusiness | environmental violation | 2014 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $738,000 |
| MORTON INTERNATIONAL | Stone Canyon Industries | diversified | hazardous waste violation | 2005 | $737,163 |
| Western Refining | Marathon Petroleum | oil and gas | environmental violation | 2010 | $737,008 |
| CITGO Petroleum Corp. | PDVSA (Petroleos de Venezuela S.A.) | oil and gas | air pollution violation | 2013 | $737,000 |
| CITGO Petroleum Corporation | PDVSA (Petroleos de Venezuela S.A.) | oil and gas | air pollution violation | 2013 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $737,000 |
| AG PROCESSORS, INC | | | water pollution violation | 2018 | $736,000 |
| Granite Construction Company | Granite Construction | construction and engineering | water pollution violation | 2013 | $735,000 |
| BHP HAWAII | | | air pollution violation | 2000 | $731,780 |
| 3V Sigma USA, Inc. | | | air pollution violation | 2023 | $731,250 |
| CARROLL INDEPENDENT FUEL CO. | | | hazardous waste violation | 2006 | $731,156 |
| First Chemical Corp. | Chemours | chemicals | air pollution violation | 2009 | $731,000 |
| FIRST CHEMICAL CORP. | Chemours | chemicals | air pollution violation | 2009 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $731,000 |
| WESTWARD SEAFOODS, INC. | Westward Seafoods | food products | air pollution violation | 2010 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $730,000 |
| BUZZI UNICEM - LONE STAR INDUSTRIES | Buzzi Unicem | building materials | air pollution violation | 2021 | $729,000 |
| Hempel USA and Jones-Blair Company LLC | | | hazardous waste violation | 2020 | $728,817 |
| Pfizer Pharmaceuticals LLC | Pfizer | pharmaceuticals | air pollution violation | 2014 | $728,000 |
| Pfizer Pharmaceuticals, LLC | Pfizer | pharmaceuticals | air pollution violation | 2014 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $728,000 |
| CFMOTO | CFMOTO | motor vehicles | air pollution violation | 2014 | $725,000 |
| LSB Industries Inc. | LSB Industries | chemicals | environmental violation | 2014 | $725,000 |
| LPG Land & Development Corporation | | | water pollution violation | 2021 | $725,000 |
| BASF CORPORATION | BASF | chemicals | air pollution violation | 2019 | $725,000 |
| Matson Terminals, Inc. | Matson | freight and logistics | water pollution violation | 2017 | $725,000 |
| CF MOTO POWERSPORTS INC | CFMOTO | motor vehicles | air pollution violation | 2014 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $725,000 |
| E.I. du Pont de Nemours & Co. | Chemours | chemicals | air pollution violation | 2015 | $724,000 |
| SPOKANE JUNKYARD/ASSOCIATED PROPERTIES | | | environmental violation | 2000 | $723,144 |
| WESTINGHOUSE ELECTRIC COMPANY, LLC | Brookfield Corporation | diversified | hazardous waste violation | 2022 | $721,576 |
| Tenaris Global Services, (USA) Corp. | Techint | diversified | environmental violation | 2011 | $717,324 |
| CHARTER STEEL | | | air pollution violation | 2012 | $715,459 |
| ORB Exploration LLC | | | environmental violation | 2016 | $715,000 |
| HERTEL LANDFILL | | | environmental violation | 2000 | $715,000 |
| ORB Exploration, LLC | | | water pollution violation | 2016 | $715,000 |
| State Industrial Products Corporation | | | environmental violation | 2022 | $714,880 |
| Hydro Extrusions USA | Norsk Hydro | metals | air pollution violation | 2023 | $713,000 |
| HEWLETT-PACKARD CO. | HP Inc. | electrical and electronic equipment | environmental violation | 2001 | $712,750 |
| Battery Recycling Company, Inc. | Battery Recycling Company | waste management and environmental services | hazardous waste violation | 2012 | $711,435 |
| Marisco Ltd. | Marisco Ltd. | miscellaneous services | water pollution violation | 2013 | $710,000 |
| Marisco Ltd. | Marisco Ltd. | miscellaneous services | water pollution violation | 2013 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $710,000 |
| Shell Gulf of Mexico, Inc - Discoverer Drillship & | Shell PLC | oil and gas | air pollution violation | 2013 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $710,000 |
| ASH GROVE CEMENT COMPANY | CRH PLC | building materials | air pollution violation | 2013 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $709,555 |
| Lion Oil Company | Delek | oil and gas | air pollution violation | 2003 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $708,000 |
| Columbia University | Columbia University | miscellaneous services | hazardous waste violation | 2003 | $706,166 |
| GEO Specialty Chemicals, Inc. | Arsenal Capital Partners | private equity (including portfolio companies) | environmental violation | 2011 | $700,000 |
| Ken-Dec, Inc. | Ken-Dec, Inc. | industrial services | environmental violation | 2010 | $700,000 |
| Tauber Oil Company | Tauber Oil | oil and gas | air pollution violation | 2017 | $700,000 |
| Stavis Seafoods, Inc. | | | environmental violation | 2018 | $700,000 |
| Ag Processing, Inc. | Ag Processing Inc. | agribusiness | water pollution violation | 2018 | $700,000 |
| Stavis Seafoods Inc | | | air pollution violation | 2018 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $700,000 |
| Virgin Islands Water and Power Authority | | | air pollution violation | 2014 | $700,000 |
| HOLCIM (US), INC. | Holcim Group | building materials | air pollution violation | 2013 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $700,000 |
| MEYER'S BAKERY | | | air pollution violation | 2000 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $700,000 |
| GASTON COPPER RECYCLING COMPANY | | | hazardous waste violation | 2002 | $700,000 |
| CF INDUSTRIES, INC. (MOSAIC FERTILIZER, LLC) | CF Industries | chemicals | environmental violation | 2014 | $700,000 |
| FRASURE CREEK (BNK) (TRINITY COAL, ET AL) | | | water pollution violation | 2014 | $700,000 |
| HS RESOURCES, INC. AND SOUTHTECH EXPLORATION, L.L.C. | | | water pollution violation | 2000 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $700,000 |
| MEYER'S BAKERIES, INC. | | | air pollution violation | 2000 | $700,000 |
| Kern Oil Refinery | Casey Company | oil and gas | air pollution violation | 2020 | $700,000 |
| American Seafoods Group LLC | | | air pollution violation | 2012 | $700,000 |
| Tauber Oil Company | Tauber Oil | oil and gas | air pollution violation | 2017 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $700,000 |
| Sunoco, Inc. | Energy Transfer | pipelines | air pollution violation | 2011 | $695,000 |
| Bombardier Recreational Products Inc. | | | air pollution violation | 2016 | $690,000 |
| PMC ORGANOMETALLIX, INC. | PMC Group | chemicals | environmental violation | 2023 | $689,900 |
