| Motor HQ, Inc | | | environmental violation | 2020 | $10,000 |
| Hawaiian Rock Products RMC5 | | | environmental violation | 2020 | $10,000 |
| BLACK HORSE RACING | | | environmental violation | 2021 | $10,000 |
| Don Chapin Company | | | environmental violation | 2020 | $10,000 |
| Kreative Paintworks | | | environmental violation | 2023 | $10,000 |
| BOYDSTUN METAL WORKS, INC. | | | environmental violation | 2002 | $10,000 |
| Quantum Inc. | | | environmental violation | 2003 | $10,000 |
| Landsing Development Group LLC (SB) | | | environmental violation | 2006 | $10,000 |
| THE PETERSON GROUP (SB) | | | environmental violation | 2006 | $10,000 |
| PANELTECH INTERNATIONAL, LLC | | | environmental violation | 2007 | $10,000 |
| PACIFIC TOPSOILS INC - RHODE-A-ZALEA SITE | | | environmental violation | 2007 | $10,000 |
| DILA DAIRY INC | | | environmental violation | 2012 | $10,000 |
| American Property Management Corporation | | | environmental violation | 2012 | $10,000 |
| J.R. Simplot Company | J.R. Simplot | agribusiness | environmental violation | 2013 | $10,000 |
| Governor's House (VanPool Painting, Inc) | | | environmental violation | 2013 | $10,000 |
| Gateway Parks LLC | | | environmental violation | 2016 | $10,000 |
| Big State Logistics Inc | | | environmental violation | 2017 | $10,000 |
| Larry's Auto and Truck Parts Inc | | | environmental violation | 2017 | $10,000 |
| Snake River Performance | | | environmental violation | 2020 | $10,000 |
| Brian Gallagher | | | environmental violation | 2023 | $10,000 |
| RYAN SMITH - ALASKA CONSTRUCTION COMPANY | | | environmental violation | 2024 | $10,000 |
| AJ Wholesale Distributors, Inc. | | | environmental violation | 2004 | $10,000 |
| BCS America, LLC and BCS Ferrari Tractor, Inc. | | | environmental violation | 2003 | $10,000 |
| Bechtel Equipment Operations, Inc. | Bechtel | construction and engineering | environmental violation | 2003 | $10,000 |
| Isuzu Motors America, Inc. | Isuzu Motors | motor vehicles | environmental violation | 2004 | $10,000 |
| Tools & Hardware, LLC (SB) | | | environmental violation | 2006 | $10,000 |
| Hercules Tire Company of Canada dba Treadway Expor | | | environmental violation | 2007 | $10,000 |
| Kymco USA dba STR Motorsports, Inc. (SB) | | | environmental violation | 2008 | $10,000 |
| Galaxy Powersports LLC (SB) | | | environmental violation | 2009 | $10,000 |
| Griffith Energy, Inc. | | | environmental violation | 2010 | $10,000 |
| Carroll Independent Fuel Company | | | environmental violation | 2010 | $10,000 |
| Atlantic States Cast Iron Pipe Company | McWane | miscellaneous manufacturing | environmental violation | 2011 | $10,000 |
| Sullivan Fuel Company | | | environmental violation | 2011 | $10,000 |
| Shell Chemicals LP | Shell PLC | oil and gas | environmental violation | 2012 | $10,000 |
| Irbit Motorworks of America, Inc. (SB) | | | environmental violation | 2011 | $10,000 |
| Carter Brothers Mfg. Co., Inc. (SB) | | | environmental violation | 2012 | $10,000 |
| APACHE POWER INDUSTRIAL | | | environmental violation | 2013 | $10,000 |
| ENI Trading & Shipping Inc. | | | environmental violation | 2015 | $10,000 |
| TECHINT, INC | Techint | diversified | environmental violation | 2001 | $10,000 |
| FINA OIL & CHEMICAL CO | Arkema | chemicals | environmental violation | 2001 | $10,000 |
| PLACID REFINING CO | Petro-Hunt | oil and gas | environmental violation | 2002 | $10,000 |
| CROWN CENTRAL PETROLEUM CORPORATION | Crown Central | oil and gas | environmental violation | 2001 | $10,000 |
| UNITED RENTALS, INC. | United Rentals | miscellaneous services | environmental violation | 2001 | $10,000 |
| MITSUBISHI ENGINE NORTH AMERICA, INC. | Mitsubishi Heavy Industries | diversified | environmental violation | 2002 | $10,000 |
| Alumax Mill Products, Inc. | Apollo Global Management | private equity (including portfolio companies) | environmental violation | 2004 | $10,000 |
| Fortune Brands, Inc. | Fortune Brands Home & Security | housewares and home furnishings | environmental violation | 2004 | $10,000 |
| Metl-Span I, Ltd. | Nucor | metals | environmental violation | 2004 | $10,000 |
| Meyer Tool Inc | | | environmental violation | 2004 | $10,000 |
| Nalco Company | Ecolab | chemicals | environmental violation | 2004 | $10,000 |
| Egg Innovations, LLC | | | environmental violation | 2006 | $10,000 |
| Kansas-Smith Farms, LLC | | | environmental violation | 2006 | $10,000 |
| MFA Incorporated | | | environmental violation | 2006 | $10,000 |
| TRInternational, Inc. | | | environmental violation | 2017 | $10,000 |
| Ardisam, Inc. | | | environmental violation | 2004 | $10,000 |
| Eton America, LLC (SB) | | | environmental violation | 2007 | $10,000 |
| MARC WEISS COMPANIES, INC. | | | environmental violation | 2000 | $9,999 |
| WASTE MANAGEMENT OF NEBRASKA, INC | Waste Management Inc. | waste management and environmental services | environmental violation | 2003 | $9,999 |
| VEOLIA NORTH AMERICA REGENERATION SERVICES, LLC | Veolia Group | waste management and environmental services | environmental violation | 2019 | $9,990 |
| SEQUENTIA, INC. | Crane Co. | industrial equipment | environmental violation | 2005 | $9,990 |
| Southwest Jet Aviation/SJA L.L.C. | | | environmental violation | 2003 | $9,986 |
| Noble & Cantrell Exploration Co., Inc. | | | environmental violation | 2007 | $9,984 |
| AWARDCRAFT INC | | | environmental violation | 2005 | $9,980 |
| Onyx Environmental services, LLC | | | environmental violation | 2006 | $9,975 |
| Phillips Plastics Corporation | | | environmental violation | 2013 | $9,975 |
| TARGET ALUMINUM OF ST LOUIS D/B/A DALCO HOME REMOD | | | environmental violation | 2013 | $9,971 |
| LUKE PAPER COMPANY, INC | BillerudKorsnas | paper and packaging | environmental violation | 2014 | $9,967 |
| Watertech, Inc. | | | environmental violation | 2004 | $9,960 |
| EP Energy E&P Company Babcock 2-12 B4 Well | | | environmental violation | 2017 | $9,952 |
| KRAFT FOODS | Kraft Heinz | food products | environmental violation | 2006 | $9,950 |
| KELLYS' RIDGE PARTNERSHIP, LP | | | environmental violation | 2005 | $9,950 |
| M-I L.L.C. | Schlumberger | oilfield services and supplies | environmental violation | 2014 | $9,948 |
| M-I L.L.C. | Schlumberger | oilfield services and supplies | environmental violation | 2014 | $9,948 |
| M-I L.L.C. | Schlumberger | oilfield services and supplies | environmental violation | 2014 | $9,948 |
| SCHAEPERKOETTER STORE, INC. | | | environmental violation | 2000 | $9,947 |
| O & W HEAT TREAT INC (SB) | | | environmental violation | 2007 | $9,945 |
| Western Farm Service | | | environmental violation | 2008 | $9,945 |
| Consolidated Edison Company of New York Inc | Consolidated Edison | utilities and power generation | environmental violation | 2008 | $9,940 |
| KUSTOM US | | | environmental violation | 2015 | $9,940 |
| H&H FOOD SERVICES, LLC | | | environmental violation | 2015 | $9,940 |
| GOLD STAR RESTORATION, LLC | | | environmental violation | 2016 | $9,940 |
| PARADISE HOME IMPROVEMENT, LLC | | | environmental violation | 2016 | $9,940 |
| WALBERG (DEMO OF TACO BELL) | | | environmental violation | 2012 | $9,940 |
| BUTTE-GLENN COMMUNITY COLLEGE | | | environmental violation | 2011 | $9,940 |
| ROSEVILLE AM/PM MINI MART | | | environmental violation | 2011 | $9,940 |
| Port Marine Vacuum, Inc. | | | environmental violation | 2005 | $9,938 |
| TRADER JOE'S | Aldi | retailing | environmental violation | 2016 | $9,934 |
| NUPRO INDUSTRIES CORPORATION | | | environmental violation | 2017 | $9,930 |
| MMT TECHNOLOGY, INC | | | environmental violation | 2008 | $9,930 |
| WES COLOMBE | | | environmental violation | 2016 | $9,930 |
| UNITED PRAIRIE LLC | | | environmental violation | 2018 | $9,920 |
| T&M INTERNATIONAL TRADING, L | | | environmental violation | 2011 | $9,915 |
| FIRST CAPITAL INSULATION(SB) | | | environmental violation | 2010 | $9,914 |
| COMMUNICATION BUILDING OF AMERICA | | | environmental violation | 2000 | $9,912 |
| H.C. MCCOMAS FUEL COMPANY(SB) | | | environmental violation | 2010 | $9,910 |
| NUFARM AMERICAS, INC | Nufarm | chemicals | environmental violation | 2017 | $9,902 |
| Superior Fuel Oil Company | | | environmental violation | 2019 | $9,900 |
| Superior Fuel Inc | | | environmental 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. $9,900 |
| American Yacht Club | | | environmental violation | 2012 | $9,900 |
| Thatcher Company of New York | | | environmental violation | 2020 | $9,900 |
| GOALS COAL COMPANY | Alpha Metallurgical Resources | mining and minerals | environmental violation | 2000 | $9,900 |
| PENN TANK LINES, INC | | | environmental violation | 2005 | $9,900 |
