| Greystone Petroleum LLC | | | water pollution violation | 2004 | $5,000 |
| Progressive Brass Manufacturing Co | | | environmental violation | 2004 | $5,000 |
| Tyson East Feed Mill | Tyson Foods | food products | environmental violation | 2005 | $5,000 |
| Cargill Turkey Products | Cargill | agribusiness | environmental violation | 2005 | $5,000 |
| W.H. Braum, Inc. | | | water pollution violation | 2005 | $5,000 |
| La Jolla Desert Homes, Inc. (SB) | | | water pollution violation | 2005 | $5,000 |
| Buena Vista Partnership | | | water pollution violation | 2005 | $5,000 |
| Tiller Family, L.P. | | | water pollution violation | 2006 | $5,000 |
| Nucor-Yamato Steel | Nucor | metals | environmental violation | 2005 | $5,000 |
| Chesapeak Operating | | | water pollution violation | 2005 | $5,000 |
| Pontotoc Production, Inc. | | | water pollution violation | 2006 | $5,000 |
| SEM Pipe (Montgomery County, Texas) | | | water pollution violation | 2005 | $5,000 |
| Rexam Beverage Can Co. | Ball Corp. | paper and packaging | environmental violation | 2006 | $5,000 |
| Settoon Inc. | | | water pollution violation | 2007 | $5,000 |
| Ronnie W. Kelly | | | water pollution violation | 2007 | $5,000 |
| Amitech USA LLC | | | environmental violation | 2008 | $5,000 |
| Danny Davis and Frank Panhorst | | | water pollution violation | 2008 | $5,000 |
| Swift Chemical Company | | | air pollution violation | 2008 | $5,000 |
| Break Time, Inc. | | | hazardous waste violation | 2008 | $5,000 |
| Barksdale Lumber Company | | | environmental violation | 2009 | $5,000 |
| Lang's Standard Solutions, Inc. | | | hazardous waste violation | 2009 | $5,000 |
| Glenn Jones | | | water pollution violation | 2009 | $5,000 |
| Hollis Wood | | | water pollution violation | 2009 | $5,000 |
| CONLEY CORPORATION | | | environmental violation | 2010 | $5,000 |
| LBG OPERATING COMPANY | | | drinking water violation | 2011 | $5,000 |
| Ricky Bourg | | | water pollution violation | 2010 | $5,000 |
| Strata enterprises, LLC | | | air pollution violation | 2011 | $5,000 |
| Lee Ann Elsom | | | water pollution violation | 2010 | $5,000 |
| Cory Johnson | Hilcorp Energy | oil and gas | water pollution violation | 2010 | $5,000 |
| Mr. Mitch Danbert | | | water pollution violation | 2012 | $5,000 |
| matthew e. marra | Enterprise Products Partners | oil and gas | water pollution violation | 2012 | $5,000 |
| Douglas R. Frost | Exxon Mobil | oil and gas | water pollution violation | 2012 | $5,000 |
| Hensley Industries, Incorporated | | | environmental violation | 2015 | $5,000 |
| Sinclair Operating Company, LLC | HF Sinclair Corporation | oil and gas | water pollution violation | 2016 | $5,000 |
| Helm Agro US, Inc. | | | environmental violation | 2016 | $5,000 |
| The Green Project, Inc. | | | hazardous waste violation | 2017 | $5,000 |
| RJ Exploration, LLC | | | water pollution violation | 2018 | $5,000 |
| BENCHMARK OIL & GAS / MOSE GRANGER LEASE | | | water pollution violation | 2016 | $5,000 |
| CITATILON OIL AND GAS / 34.37075; -97.48653 | | | water pollution violation | 2016 | $5,000 |
| INDIGO MINERALS, LLC | | | water pollution violation | 2017 | $5,000 |
| Interline Brands, Inc. | Home Depot | retailing | hazardous waste violation | 2019 | $5,000 |
| Butkin Oil Company, LLC | | | water pollution violation | 2018 | $5,000 |
| Texas Westmoreland Coal Company | | | water pollution violation | 2018 | $5,000 |
| MID-CON ENERGY OPERATING, LLC / LYSU NORTH TANK BATTERY | | | water pollution violation | 2018 | $5,000 |
| SFPSU TANK BATTERY | | | water pollution violation | 2018 | $5,000 |
| Belva Oil L.L.C. | | | water pollution violation | 2019 | $5,000 |
| Perdue Commercial Disposal, LLC | | | water pollution violation | 2020 | $5,000 |
| DFW Waste Oil Services Inc. | | | hazardous waste violation | 2020 | $5,000 |
| Godfrey Oil | | | water pollution violation | 2020 | $5,000 |
| Leroy Tours Gerald WSC | | | drinking water violation | 2023 | $5,000 |
| MAGELLAN PIPELINE COMPANY | Oneok | pipelines | water pollution violation | 2021 | $5,000 |
| OCI Melamine Americas Inc. | OCI N.V. | chemicals | environmental violation | 2021 | $5,000 |
| Evander's Construction LLC | | | environmental violation | 2022 | $5,000 |
| Lighting Resources | | | environmental violation | 2023 | $5,000 |
| Nicholls State University | | | environmental violation | 2024 | $5,000 |
| Rineco Chemical Industries | Rineco Chemical | waste management and environmental services | environmental violation | 2024 | $5,000 |
| M. A. JABBAR MALIK | | | environmental violation | 2000 | $5,000 |
| DSI TRANSPORTS, INC. | | | water pollution violation | 2000 | $5,000 |
| ANODIZING INC AND EXTRUSIONS INC | | | environmental violation | 2000 | $5,000 |
| ROCKWELL COLLINS | RTX Corporation | aerospace and military contracting | environmental violation | 2000 | $5,000 |
| AIR CAPITOL PLATING | | | environmental violation | 2000 | $5,000 |
| MAYTAG APPLIANCES | Whirlpool Corp. | housewares and home furnishings | environmental violation | 2000 | $5,000 |
| SIEGEL-ROBERT PLATING CO | Koch Industries | diversified | environmental violation | 2000 | $5,000 |
| KIND & NOX GELATINE | | | environmental violation | 2000 | $5,000 |
| RAYTHEON AIRCRAFT COMPANY | RTX Corporation | aerospace and military contracting | environmental violation | 2000 | $5,000 |
| JOE PRINZ D/B/A JOE PRINZ FEEDLOT | | | water pollution violation | 2001 | $5,000 |
| HALDEX BRAKE CORP | | | environmental violation | 2000 | $5,000 |
| BIOKOWA | | | environmental violation | 2000 | $5,000 |
| EPSEN HILLMER GRAPHICS | | | air pollution violation | 2003 | $5,000 |
| NEBRASKS ENERGY, LLC | | | air pollution violation | 2004 | $5,000 |
| ACME BRASS & ALUMINUM FOUNDRY, INC | | | hazardous waste violation | 2004 | $5,000 |
| PHILLIPS MANUFACTURING, INC | | | environmental violation | 2004 | $5,000 |
| KOEHRING CRANES, INC | Terex | heavy equipment | environmental violation | 2004 | $5,000 |
| GKN ARMSTRONG WHEELS INC | Melrose Industries | miscellaneous manufacturing | environmental violation | 2004 | $5,000 |
| THRALL ENTERPRISES, INC | | | environmental violation | 2004 | $5,000 |
| CONTINENTAL CEMENT CO LLC | Summit Materials | building materials | environmental violation | 2004 | $5,000 |
| AQULIA, INC | | | environmental violation | 2004 | $5,000 |
| HOLCIM (US) INC | Holcim Group | building materials | environmental violation | 2004 | $5,000 |
| TRENTON MUNICIPAL UTILITIES WATER TREATMENT PLANT | | | air pollution violation | 2005 | $5,000 |
| P J MORGAN INVESTMENTS, INC | | | lead violation | 2006 | $5,000 |
| HARVEST BRANDS, INC | | | environmental violation | 2006 | $5,000 |
| TRIMARK CORPORATION | | | hazardous waste violation | 2012 | $5,000 |
| CONSUMERS COOPERATIVE SOCIETY | | | air pollution violation | 2013 | $5,000 |
| MID-AMERICA SAND | | | water pollution violation | 2014 | $5,000 |
| CEDAR COUNTY COOPERATIVE | | | water pollution violation | 2015 | $5,000 |
| CHEM SUPPLY COMPANY | | | environmental violation | 2015 | $5,000 |
| BAUMAN OIL BULK PLANT | | | water pollution violation | 2015 | $5,000 |
| DAVID COZAD, MICHAEL SCHUMACHER, BRAD PETERSON DBA | | | water pollution violation | 2015 | $5,000 |
| COMMUNITY OIL COMPANY DBA GLIDDEN OIL COMPANY | | | water pollution violation | 2016 | $5,000 |
| QUALITY FOOD PROCESSORS LLC | | | environmental violation | 2017 | $5,000 |
| SILVER OAK, INC DBA ALICE PATRICIA HOME RESIDENTIA | | | water pollution violation | 2017 | $5,000 |
| NATIONAL BEEF PACKING COMPANY | Marfrig | food products | air pollution violation | 2017 | $5,000 |
| LEFTY'S SOIL SERVICE INC | | | air pollution violation | 2017 | $5,000 |
| RUNNING FOXES PETROLEUM INC | | | water pollution violation | 2018 | $5,000 |
| WHITAKER AGGREGATES INC. | | | water pollution violation | 2018 | $5,000 |
| COOPERATIVE FARMERS ELEVATOR | | | environmental violation | 2019 | $5,000 |
| Moehl Millwork, Inc. | | | hazardous waste violation | 2022 | $5,000 |
| Window Nation LLC | | | environmental violation | 2022 | $5,000 |
| Arnold Motor Supply | | | hazardous waste violation | 2022 | $5,000 |
| Bertch Cabinet LLC-Jesu | | | hazardous waste violation | 2022 | $5,000 |
| Winfield Solutions, d/b/a Omnium | Land O'Lakes | food products | hazardous waste violation | 2023 | $5,000 |
