| Double D Distribution | | | environmental violation | 2011 | EPA | $10,000 |
| Tuleview Holsteins | | | environmental violation | 2011 | EPA | $10,000 |
| RIM Operating | | | environmental violation | 2011 | EPA | $10,000 |
| Dockmaster, Inc. | | | environmental violation | 2012 | EPA | $10,000 |
| Farmers New Holland | | | environmental violation | 2011 | EPA | $10,000 |
| STOCKTON OIL | | | environmental violation | 2016 | EPA | $10,000 |
| Suncor Energy (USA) Inc - Commerce City Refinery | Suncor Energy | oil and gas | environmental violation | 2019 | EPA | $10,000 |
| DAILY'S PREMIUM MEATS | | | environmental violation | 2019 | EPA | $10,000 |
| Mann Oil Company, LLC | | | environmental violation | 2021 | EPA | $10,000 |
| PAUL REINER | | | environmental violation | 2000 | EPA | $10,000 |
| PRESERVE INCORPORATED | | | environmental violation | 2000 | EPA | $10,000 |
| TREFFERS PRECISION | | | environmental violation | 2001 | EPA | $10,000 |
| PRECISION SPECIALTY METALS | Worthington Industries | metals | environmental violation | 2001 | EPA | $10,000 |
| TEXACO EXPLORATION AND PRODUCTION, INC. | Chevron | oil and gas | environmental violation | 2001 | EPA | $10,000 |
| Sav-On Plating of Arizona Inc. | | | environmental violation | 2003 | EPA | $10,000 |
| Andrew Saied d/b/a Hart Oil and Gas | | | environmental violation | 2005 | EPA | $10,000 |
| Alchemist Transport Inc. (SB) | | | environmental violation | 2004 | EPA | $10,000 |
| Rizing Sun (SB) | | | environmental violation | 2007 | EPA | $10,000 |
| Linder & Associates (SB) | | | environmental violation | 2007 | EPA | $10,000 |
| Union Pacific Railroad Company | Union Pacific | railroads | environmental violation | 2005 | EPA | $10,000 |
| Angela Langkilde d/b/a Langkilde Service Station | | | environmental violation | 2006 | EPA | $10,000 |
| Hayward Ford | | | environmental violation | 2006 | EPA | $10,000 |
| Richard H. Lee (RHS Lee Inc.) | | | environmental violation | 2007 | EPA | $10,000 |
| Fine Custom Painting Inc. (Evan Auchard) (SB) | | | environmental violation | 2009 | EPA | $10,000 |
| University of Guam | | | environmental violation | 2008 | EPA | $10,000 |
| Triumph Precision Casting | | | environmental violation | 2008 | EPA | $10,000 |
| ESPARZA'S WELDING & MACHINE SHOP (DBA EW CORP) | | | environmental violation | 2010 | EPA | $10,000 |
| Esco Marine | | | environmental violation | 2012 | EPA | $10,000 |
| YAMAZUKI INC. | | | environmental violation | 2013 | EPA | $10,000 |
| Jack Noble | | | environmental violation | 2018 | EPA | $10,000 |
| Samirian Chemicals, Inc | | | environmental violation | 2017 | EPA | $10,000 |
| BMS Motorsports, Inc. | | | environmental violation | 2018 | EPA | $10,000 |
| JAMO Performance Exhaust, LLC | | | environmental violation | 2019 | EPA | $10,000 |
| Gear Box Z | | | environmental violation | 2021 | EPA | $10,000 |
| Motor HQ, Inc | | | environmental violation | 2020 | EPA | $10,000 |
| Hawaiian Rock Products RMC5 | | | environmental violation | 2020 | EPA | $10,000 |
| BLACK HORSE RACING | | | environmental violation | 2021 | EPA | $10,000 |
| Don Chapin Company | | | environmental violation | 2020 | EPA | $10,000 |
| Kreative Paintworks | | | environmental violation | 2023 | EPA | $10,000 |
| BOYDSTUN METAL WORKS, INC. | | | environmental violation | 2002 | EPA | $10,000 |
| Quantum Inc. | | | environmental violation | 2003 | EPA | $10,000 |
| Landsing Development Group LLC (SB) | | | environmental violation | 2006 | EPA | $10,000 |
| THE PETERSON GROUP (SB) | | | environmental violation | 2006 | EPA | $10,000 |
| PANELTECH INTERNATIONAL, LLC | | | environmental violation | 2007 | EPA | $10,000 |
| PACIFIC TOPSOILS INC - RHODE-A-ZALEA SITE | | | environmental violation | 2007 | EPA | $10,000 |
| DILA DAIRY INC | | | environmental violation | 2012 | EPA | $10,000 |
| American Property Management Corporation | | | environmental violation | 2012 | EPA | $10,000 |
| J.R. Simplot Company | J.R. Simplot | agribusiness | environmental violation | 2013 | EPA | $10,000 |
| Governor's House (VanPool Painting, Inc) | | | environmental violation | 2013 | EPA | $10,000 |
| Gateway Parks LLC | | | environmental violation | 2016 | EPA | $10,000 |
| Big State Logistics Inc | | | environmental violation | 2017 | EPA | $10,000 |
| Larry's Auto and Truck Parts Inc | | | environmental violation | 2017 | EPA | $10,000 |
| Snake River Performance | | | environmental violation | 2020 | EPA | $10,000 |
| Brian Gallagher | | | environmental violation | 2023 | EPA | $10,000 |
| RYAN SMITH - ALASKA CONSTRUCTION COMPANY | | | environmental violation | 2024 | EPA | $10,000 |
| AJ Wholesale Distributors, Inc. | | | environmental violation | 2004 | EPA | $10,000 |
| BCS America, LLC and BCS Ferrari Tractor, Inc. | | | environmental violation | 2003 | EPA | $10,000 |
| Bechtel Equipment Operations, Inc. | Bechtel | construction and engineering | environmental violation | 2003 | EPA | $10,000 |
| Isuzu Motors America, Inc. | Isuzu Motors | motor vehicles | environmental violation | 2004 | EPA | $10,000 |
| Tools & Hardware, LLC (SB) | | | environmental violation | 2006 | EPA | $10,000 |
| Hercules Tire Company of Canada dba Treadway Expor | | | environmental violation | 2007 | EPA | $10,000 |
| Kymco USA dba STR Motorsports, Inc. (SB) | | | environmental violation | 2008 | EPA | $10,000 |
| Galaxy Powersports LLC (SB) | | | environmental violation | 2009 | EPA | $10,000 |
| Griffith Energy, Inc. | | | environmental violation | 2010 | EPA | $10,000 |
| Carroll Independent Fuel Company | | | environmental violation | 2010 | EPA | $10,000 |
| Atlantic States Cast Iron Pipe Company | McWane | miscellaneous manufacturing | environmental violation | 2011 | EPA | $10,000 |
| Sullivan Fuel Company | | | environmental violation | 2011 | EPA | $10,000 |
| Shell Chemicals LP | Shell PLC | oil and gas | environmental violation | 2012 | EPA | $10,000 |
| Irbit Motorworks of America, Inc. (SB) | | | environmental violation | 2011 | EPA | $10,000 |
| Carter Brothers Mfg. Co., Inc. (SB) | | | environmental violation | 2012 | EPA | $10,000 |
| APACHE POWER INDUSTRIAL | | | environmental violation | 2013 | EPA | $10,000 |
| ENI Trading & Shipping Inc. | | | environmental violation | 2015 | EPA | $10,000 |
| TECHINT, INC | Techint | diversified | environmental violation | 2001 | EPA | $10,000 |
| FINA OIL & CHEMICAL CO | Arkema | chemicals | environmental violation | 2001 | EPA | $10,000 |
| PLACID REFINING CO | Petro-Hunt | oil and gas | environmental violation | 2002 | EPA | $10,000 |
| CROWN CENTRAL PETROLEUM CORPORATION | Crown Central | oil and gas | environmental violation | 2001 | EPA | $10,000 |
| UNITED RENTALS, INC. | United Rentals | miscellaneous services | environmental violation | 2001 | EPA | $10,000 |
| MITSUBISHI ENGINE NORTH AMERICA, INC. | Mitsubishi Heavy Industries | diversified | environmental violation | 2002 | EPA | $10,000 |
| Alumax Mill Products, Inc. | Apollo Global Management | private equity (including portfolio companies) | environmental violation | 2004 | EPA | $10,000 |
| Fortune Brands, Inc. | Fortune Brands Home & Security | housewares and home furnishings | environmental violation | 2004 | EPA | $10,000 |
| Metl-Span I, Ltd. | Nucor | metals | environmental violation | 2004 | EPA | $10,000 |
| Meyer Tool Inc | | | environmental violation | 2004 | EPA | $10,000 |
| Nalco Company | Ecolab | chemicals | environmental violation | 2004 | EPA | $10,000 |
| Egg Innovations, LLC | | | environmental violation | 2006 | EPA | $10,000 |
| Kansas-Smith Farms, LLC | | | environmental violation | 2006 | EPA | $10,000 |
| MFA Incorporated | | | environmental violation | 2006 | EPA | $10,000 |
| TRInternational, Inc. | | | environmental violation | 2017 | EPA | $10,000 |
| Ardisam, Inc. | | | environmental violation | 2004 | EPA | $10,000 |
| Eton America, LLC (SB) | | | environmental violation | 2007 | EPA | $10,000 |
| White's Diesel Performance, Inc. | | | air pollution violation | 2025 | EPA | $10,000 |
| POET Biorefining - Glenville | Poet LLC | miscellaneous energy products and systems | environmental violation | 2008 | MN-ENV | $9,999 |
| Aries Building Systems, LLC | | | environmental violation | 2015 | MS-ENV | $9,999 |
| MARC WEISS COMPANIES, INC. | | | environmental violation | 2000 | EPA | $9,999 |
| WASTE MANAGEMENT OF NEBRASKA, INC | Waste Management Inc. | waste management and environmental services | environmental violation | 2003 | EPA | $9,999 |
| LEHIGH COAL & NAVIGATION CO | | | environmental violation | 2008 | PA-ENV | $9,995 |
| HERITAGE ENVIRONMENTAL SVCS LLC | | | hazardous waste violation | 2003 | IN-ENV | $9,995 |
| Tamarac, LLC | | | solid waste violation | 2017 | NC-ENV | $9,995 |
| E.T. Five, Inc. | | | solid waste violation | 2002 | NC-ENV | $9,992 |
| GLOBAL MONTELLO GROUP #3441 | | | environmental violation | 2022 | NJ-ENV | $9,992 |
| Equistar Chemicals, LP | LyondellBasell Industries | chemicals | environmental violation | 2020 | TX-ENV | $9,991 |
| HJTV, Inc. | | | environmental violation | 2013 | TX-ENV | $9,991 |
