| Cotter Corp. | | | environmental violation | 2008 | $30,000 |
| Tamarack Resort | | | environmental violation | 2008 | $185,000 |
| Aspen Petroleum Products | | | environmental violation | 2007 | $25,000 |
| Meridian Resource & Exploration LLC and Louisiana Onshore Properties LLC | | | environmental violation | 2007 | $504,000 |
| Kassian Maritime Navigation Agency Ltd. | | | environmental violation | 2007 | $1,300,000 |
| J.H. Berra Construction | | | environmental violation | 2007 | $590,000 |
| Casper's Electronics | | | environmental 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. $74,000 |
| Greg Street Plating Inc. | | | environmental violation | 2007 | $30,000 |
| M.G. Waldbaum Company | | | environmental violation | 2007 | $1,050,000 |
| Marine Shale Processors Inc. and Recycling Park Inc. | | | environmental violation | 2006 | $6,200,000 |
| Southern Wood Piedmont | | | environmental violation | 2006 | $200,000 |
| Newly Weds Foods, Inc. | | | environmental violation | 2006 | $125,000 |
| Timber Industries, Inc. | | | environmental violation | 2006 | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $225,000 |
| Scarsella Brothers, Inc. | | | environmental violation | 2006 | $400,000 |
| K.S., Inc. | | | environmental violation | 2006 | $52,000 |
| Air Power Enterprises, Inc. | | | environmental violation | 2006 | $500,000 |
| Elkem Metals Company L.P and Eramet Marietta Inc. | | | environmental violation | 2006 | $3,250,000 |
| MBK Partnership | | | environmental violation | 2006 | $11,000,000 |
| Newdunn Associates LLP | | | environmental violation | 2005 | $100,000 |
| Cosmed Group, Inc. | | | environmental violation | 2005 | $1,500,000 |
| Golden Triangle Energy, LLC | | | environmental violation | 2005 | $2,030,000 |
| Evergreen International | | | environmental violation | 2005 | $25,000,000 |
| U.S. Energy Partners LLC | | | environmental violation | 2005 | $2,030,000 |
| True Manufacturing Co | | | environmental violation | 2004 | $3,400,000 |
| South Carolina Public Service Authority (Santee Cooper) | | | environmental violation | 2004 | $5,800,000 |
| Buckeye Egg Farm, L.P. | | | environmental violation | 2004 | $2,480,598 |
| Certus Inc. | | | environmental violation | 2003 | $3,800,000 |
| Olympic Pipe Line Company | | | environmental violation | 2003 | $17,500,000 |
| Tanknology-NDE, International, Inc. | | | environmental violation | 2002 | $2,290,000 |
| Torch Energy Company, Nuevo Energy Company and Black Hawk Oil & Gas Company | | | environmental violation | 2002 | $3,000,300 |
| Guide Corp. | | | environmental violation | 2001 | $14,100,000 |
| Caleb Brett U.S.A., Inc., | | | environmental violation | 2001 | $1,000,000 |
| Vehicle Safety Systems Inc. | | | environmental violation | 2001 | $6,000,000 |
| Vehicle Safety Systems Inc. | | | environmental violation | 2001 | $9,800,000 |
| Meyer's Bakery | | | environmental violation | 2000 | $3,500,000 |
| HS Resources | | | environmental violation | 2000 | $1,200,000 |
| Lloyd Manufacturing Corp. | | | environmental violation | 2000 | $488,000 |
| Sparton Technology, Inc. | | | environmental violation | 2000 | $1,675,000 |
| Johnson Properties Inc. | | | environmental violation | 2000 | $4,525,000 |
| Southern Coal Corporation | | | environmental violation | 2016 | $5,900,000 |
| KTX Limited and KTX Properties Inc. | | | environmental violation | 2016 | $3,500,000 |
| Slawson Exploration Company Inc. | | | environmental violation | 2016 | $8,200,000 |
| Oceanfleet Shipping Limited and Oceanic Illsabe Limited | | | environmental violation | 2017 | $2,700,000 |
| Meadowvale Dairy, LLC | | | environmental violation | 2017 | $160,000 |
| Bandit Industries Inc. | | | environmental violation | 2017 | $3,000,000 |
| SCP Management LLC | | | environmental violation | 2017 | $400,000 |
| Sheffield Pharmaceuticals | | | environmental violation | 2016 | $1,000,000 |
| A&L Cesspool Service Corporation | | | environmental violation | 2016 | $900,000 |
| Gallia Graeca Shipping Ltd. | | | environmental violation | 2016 | $1,300,000 |
| KMTEX Ltd et al. | | | environmental violation | 2016 | $3,500,000 |
| Kevin P. Mason Builder, LLC | | | environmental violation | 2016 | $15,000 |
| International Petroleum Corporation | | | environmental violation | 2017 | $3,500,000 |
| MAB Environmental Services, Inc. | | | environmental violation | 2017 | $50,000 |
| W. Bockstiegel Reederei GmBH & CO. KG and W. Bockstiegel GmBH & Co. Reederei KG MS NILS B | | | environmental violation | 2016 | $750,000 |
| Mahoney's Auto Mall, Inc. | | | environmental violation | 2017 | $157,449 |
| Rocky Mountain Bottle Company, LLC | | | environmental violation | 2017 | $475,000 |
| Crowell Farms, Inc | | | environmental violation | 2017 | $40,000 |
| AIREKO Construction Company | | | environmental violation | 2017 | $1,500,000 |
| Duarte Nursery Inc. | | | environmental violation | 2017 | $1,100,000 |
| Accolade Construction Group, Inc. | | | environmental violation | 2017 | $58,000 |
| Pike International, LLC, et al. | | | environmental violation | 2017 | $121,385 |
| Haven Homes, Inc. | | | environmental violation | 2017 | $148,618 |
| Cityside Management Corp. | | | environmental violation | 2017 | $145,346 |
| 5 MF Holding LLC | | | environmental violation | 2017 | $73,000 |
| Brady Sullivan Millworks II, LLC, et al. | | | environmental violation | 2017 | $90,461 |
| Smithium & Friend, Inc., d/b/a Powerstar Home Energy Solutions | | | environmental violation | 2017 | $45,717 |
| KGN Asset Management, LLC, KGN Asset Management, Inc., and Restoration Realty, Inc. | | | environmental violation | 2017 | $30,000 |
| Best Value Home Improvements | | | environmental violation | 2017 | $38,990 |
| Husqvarna AB | | | environmental violation | 2017 | $2,850,000 |
| Bunker Hill Mining Corp. (on behalf of Placer Mining Corporation) | | | environmental violation | 2018 | $20,000,000 |
| Premier Aviation | | | environmental violation | 2017 | $40,000 |
| Owell Precast, LLC | | | environmental violation | 2017 | $117,398 |
| Prestige Pest Management dba Terminix | | | environmental violation | 2018 | $25,000 |
| Sea World Management & Trading, Inc. | | | environmental violation | 2018 | $2,250,000 |
| Lodge/Abbott Investments Associates LLC | | | environmental violation | 2018 | $350,000 |
| Magnolia Valley Planation, LLC et al. | | | environmental violation | 2018 | $45,000 |
| Comprehensive Employee Management | | | environmental violation | 2018 | $25,000 |
| MFA Incorporated and MFA Enterprises | | | 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. $850,000 |
| Decostar Industries, 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. $3,077,900 |
| Magnolia Waco Properties, LLC | | | 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. $40,000 |
| Fuel Bio One LLC | | | environmental violation | 2018 | $100,000 |
| Triple Dragon, LLC | | | environmental violation | 2018 | $15,000 |
| Capt. Millions III, LLC | | | environmental violation | 2018 | $10,000 |
| Nitta Kisen Kaisha Ltd. | | | environmental violation | 2018 | $1,000,000 |
| Challenge Fisheries LLC et al. | | | environmental violation | 2018 | $414,000 |
| Wheeler Rock Products | | | environmental violation | 2018 | $40,000 |
| Connell Development Company | | | environmental violation | 2018 | $68,000 |
| Chapman Windows and Doors | | | environmental violation | 2018 | $17,500 |
| Finicky Pet Food, Inc. | | | environmental violation | 2018 | $189,140 |
| Twenty-Five Commerce, Inc | | | environmental violation | 2018 | $27,095 |
| Guida-Seibert Dairy Company | | | environmental violation | 2018 | $157,214 |
| The Maine Wild Blueberry Company | | | environmental violation | 2018 | $53,000 |
| New England Sports Management Corporation | | | environmental violation | 2018 | $24,263 |
| High Liner Foods (USA), Inc. | | | environmental violation | 2018 | $7,200 |
| Cross Marine Projects, Inc. | | | environmental violation | 2018 | $150,000 |
| Yoshimura Research and Development of America, Inc. | | | environmental violation | 2018 | $225,000 |
| Modbargins.com, Inc. | | | environmental violation | 2018 | $7,000 |
| Two Brothers Racing, Inc. | | | environmental violation | 2018 | $90,000 |
| Vivid Distributing | | | environmental violation | 2018 | $200,000 |
| American Cooling, Inc. | | | environmental violation | 2018 | $28,900 |
| Evangeline Enterprises LLC | | | environmental violation | 2018 | $300,000 |
