| GDP Tuning LLC and Custom Auto of Rexburg LLC | | | air pollution violation | 2023 | $1,000,000 |
| Prince William Sound Aquaculture Corporation | | | hazardous waste violation | 2023 | $1,000,000 |
| HOVNANIAN ENTERPRISES, INC | Hovnanian Enterprises | construction and engineering | 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. $1,000,000 |
| FMC CORPORATION | FMC Corp. | chemicals | environmental violation | 2017 | $1,000,000 |
| LOCKHEED MARTIN CORP (PADUCAH GASEOUS & DIFFUSION PLANT | Lockheed Martin | aerospace and military contracting | hazardous waste 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. $1,000,000 |
| CHEVRON U.S.A., INC. | Chevron | oil and gas | air pollution violation | 2005 | $1,000,000 |
| LOUISVILLE & JEFFERSON COUNTY METROPOLITAN SEWER | | | water pollution violation | 2009 | $1,000,000 |
| GENERAL IRON INDUSTRIES, INC. | | | air pollution violation | 2006 | $1,000,000 |
| KEMLITE COMPANY | Crane Co. | industrial equipment | air pollution violation | 2008 | $1,000,000 |
| Southern MN Beet Sugar Coop | | | water pollution violation | 2016 | $1,000,000 |
| UTICA RESOURCE OPERATING LLC | | | air pollution violation | 2023 | $1,000,000 |
| WAL-MART STORES, INC. # 259 | Walmart | retailing | water pollution violation | 2001 | $1,000,000 |
| Cemex, Inc. | Cemex | 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. $1,000,000 |
| KP KAUFFMAN COMPANY INC | | | air pollution violation | 2020 | $1,000,000 |
| Noble Energy Midstream Services, LLC | Chevron | oil and gas | water pollution violation | 2021 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $1,000,000 |
| Republic Industries | | | hazardous waste violation | 2008 | $1,000,000 |
| H&S Performance, LLC (SB) | | | air pollution violation | 2015 | $1,000,000 |
| Sid Richardson Carbon Ltd | Tokai Carbon | chemicals | air pollution violation | 2018 | $999,000 |
| Eagle US 2 LLC | Westlake Chemical | chemicals | air pollution violation | 2015 | $996,992 |
| ESSROC San Juan, Inc. | Summit Materials | building materials | water pollution violation | 2010 | $995,924 |
| Electron Hydro | | | water pollution violation | 2023 | $995,000 |
| Sunoco Pipeline, L.P. | Energy Transfer | pipelines | water pollution violation | 2017 | $990,000 |
| Republic Steel | Industrias CH | metals | air pollution violation | 2022 | $990,000 |
| American Seafoods Company LLC | American Seafoods | food products | water pollution violation | 2023 | $990,000 |
| Sunoco LP | Energy Transfer | pipelines | water 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. $990,000 |
| REPUBLIC STEEL | Industrias CH | metals | air pollution violation | 2023 | $990,000 |
| UNITED AIRLINES | United Airlines Holdings | airlines | air pollution violation | 2002 | $990,000 |
| Colorado Interstate Gas Company | Kinder Morgan | pipelines | 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. $987,757 |
| Ascend Performance Materials | SK Capital Partners | private equity (including portfolio companies) | hazardous waste violation | 2019 | $976,707 |
| Pfizer Inc. | Pfizer | pharmaceuticals | air pollution violation | 2008 | $975,000 |
| PFIZER GLOBAL MANUFACTURING | Pfizer | pharmaceuticals | air pollution violation | 2008 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $975,000 |
| DUKE ENERGY CORP. | Duke Energy | utilities and power generation | air pollution violation | 2015 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $975,000 |
| CONOCOPHILLIPS COMPANY | ConocoPhillips | oil and gas | air pollution violation | 2019 | $975,000 |
| Cabot Corporation | Cabot Corp. | chemicals | air pollution violation | 2018 | $975,000 |
| Blessings, Inc. | | | environmental violation | 2018 | $973,490 |
| SOLUTIA INCORPORATED | Eastman Chemical | chemicals | 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. $970,000 |
| TATE & LYLE | Tate & Lyle | agribusiness | air pollution violation | 2015 | $970,000 |
| MACALLOY CORP. | | | water pollution violation | 2001 | $960,000 |
| ARCHER DANIEL MIDLAND COMPANY | Archer Daniels Midland | agribusiness | air pollution violation | 2015 | $953,629 |
| WILLIAMS FIELD SERVICES | Williams Companies | oil and gas | air pollution violation | 2002 | $951,139 |
| Griffin Pipe Products LLC | Quikrete | building materials | air pollution violation | 2014 | $950,000 |
| Doorae Shipping Co. | | | oil spill | 2016 | $950,000 |
| Harcros Chemicals Inc. | Harcros Chemicals | chemicals | air pollution violation | 2017 | $950,000 |
| Infineum USA L.P. | Infineum | oil and gas | environmental violation | 2006 | $950,000 |
| STONE CONTAINER CORP | WestRock | paper and packaging | air pollution violation | 2004 | $950,000 |
| HOOSIER ENERGY REC. - MEROM GENERAT | Hoosier Energy | utilities and power generation | 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. $950,000 |
| DAIRYLAND POWER COOP | Dairyland Power Cooperative | utilities and power generation | 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. $950,000 |
| GRIFFIN PIPE PRODUCTS COMPANY, INC | Quikrete | building materials | 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. $950,000 |
| Yamaha Motor Corp., USA | Yamaha Motor | motor vehicles | air pollution violation | 2015 | $950,000 |
| SAFETY-KLEEN CORPORATION | Clean Harbors Inc. | waste management and environmental services | hazardous waste violation | 2002 | $945,018 |
| POLYONE CORP. | Avient Corporation | chemicals | air pollution violation | 2014 | $940,000 |
| SHEETZ, INC | Sheetz | retailing | hazardous waste violation | 2005 | $932,188 |
| U.S. OIL & REFINING | Par Pacific Holdings | oil and gas | air pollution violation | 2011 | $925,287 |
| Beazer Homes USA Inc. | Beazer Homes USA | construction and engineering | water pollution violation | 2010 | $925,000 |
| Indianapolis Power & Light Company | AES Corp. | utilities and power generation | air pollution violation | 2020 | $925,000 |
| Public Service Company of Colorado | Xcel Energy | utilities and power generation | environmental violation | 2022 | $925,000 |
| Jersey City Municipal Utilities Authority | | | water pollution violation | 2022 | $925,000 |
| GALLATIN STEEL COMPANY | Nucor | metals | air pollution violation | 2002 | $925,000 |
| PSCO Comanche Station | | | hazardous waste violation | 2022 | $925,000 |
| MOBIL OIL - M70 PIPELINE | | | water pollution violation | 2002 | $925,000 |
| Imperial Irrigation District | | | environmental violation | 2015 | $922,580 |
| HONEYWELL INTERNATIONAL, INC | Honeywell International | diversified | air pollution violation | 2002 | $922,000 |
| ALERIS INTERNATIONAL, INC., ET. AL. (3 FACILITIES) (NATIONAL CASE) | Aditya Birla Group | diversified | 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. $920,000 |
| HARCROS CHEMICALS | Harcros Chemicals | chemicals | 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. $919,670 |
| CamWest Inc. | | | environmental violation | 2005 | $916,973 |
| Owens Brockway Glass Containers | O-I Glass | paper and packaging | 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. $913,111 |
| Arkansas Midland Railroad Company | Brookfield Corporation | diversified | hazardous waste violation | 2024 | $910,985 |
| PERMA-FIX | Perma-Fix Environmental Services | waste management and environmental services | air pollution violation | 2008 | $910,043 |
| North American Green | | | pesticide violation | 2012 | $910,000 |
| Nedjet Yetim et al. | | | underground storage tank violation | 2017 | $910,000 |
| HAVILAND ENTERPRISES, INC. | | | water pollution violation | 2020 | $906,110 |
| Zep Inc. | New Mountain Capital | private equity (including portfolio companies) | environmental violation | 2014 | $905,000 |
| ZEP, INC. | New Mountain Capital | private equity (including portfolio companies) | 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. $905,000 |
| Equilon Enterprises | Shell PLC | oil and gas | air pollution violation | 2015 | $900,000 |
| Freedom Industries, Inc. | | | environmental violation | 2016 | $900,000 |
| A&L Cesspool Service Corporation | | | water pollution violation | 2016 | $900,000 |
| Trident Seafoods Corporation | Trident Seafoods | food products | environmental violation | 2019 | $900,000 |
| Marine Managers Ltd | | | environmental violation | 2014 | $900,000 |
| Chartworld Shipping Corporation | | | environmental violation | 2019 | $900,000 |
| Nederland Shipping Corporation | | | environmental violation | 2019 | $900,000 |
| WEYERHAEUSER CO (A/K/A WILLIANETTE INDUSTRIES) | Weyerhaeuser | building materials | air pollution violation | 2004 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $900,000 |
| MERIDIAN INDUSTRIES, INC. | | | hazardous waste violation | 2010 | $900,000 |
| BOEHRINGER INGELHEIM VETMEDICA, INC | Eli Lilly | pharmaceuticals | air pollution violation | 2011 | $900,000 |
| Frontier Refining | HF Sinclair Corporation | oil and gas | hazardous waste 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. $900,000 |
| ARCO TERMINAL SERVICES | | | air pollution violation | 2005 | $900,000 |
| Evergreen Pulp Inc. | | | air pollution violation | 2008 | $900,000 |
| ICICLE SEAFOODS INC - M/V NORTHERN VICTOR (USCG NO. 248959) | Cooke Inc. | food products | water pollution violation | 2007 | $900,000 |
| Shell (Equilon, Motiva and Deer Park Refining) | Shell PLC | oil and gas | air pollution violation | 2015 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $900,000 |
| BP Products North America Inc. | BP | oil and gas | air pollution violation | 2006 | $900,000 |
| Pulte Homes | PulteGroup | construction and engineering | water pollution violation | 2008 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $897,256 |
| KERRY INC. | Kerry Group | food products | air pollution violation | 2008 | $897,133 |
| EQUISTAR CHEMICALS, LP | LyondellBasell Industries | chemicals | air pollution violation | 2008 | $892,800 |
| LAFARGE NORTH AMERICA, INC. (NATIONAL CASE) (ARGOS CEMENT LLC) | Holcim Group | building materials | air pollution violation | 2010 | $891,192 |
| Suzuki Motor | Suzuki Motor | motor vehicles | air pollution violation | 2012 | $885,000 |
| KEYSTONE STEEL & WIRE CO. | | | air pollution violation | 2016 | $885,000 |
| MERIT ENERGY - KALKASKA | Merit Energy | oil and gas | air pollution violation | 2015 | $885,000 |
| SUZUKI CORPORATION OF AMERICA | Suzuki Motor | motor vehicles | air pollution violation | 2012 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $885,000 |
| NovaGold Resources Inc. | | | environmental violation | 2009 | $883,628 |
| ALASKA GOLD COMPANY, ROCK CREEK MINE | | | water pollution violation | 2009 | $883,628 |
| KIN BUC INCORPORATED LANDFILL | | | environmental violation | 2005 | $882,997 |
| BUCKEYE EGG FARM (3) | | | animal feeding operation violation | 2004 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $880,598 |
