| Impaco, Inc. | | | environmental violation | 2011 | TX-ENV | $6,000 |
| Devon Gas Services, L.P. | Devon Energy | oil and gas | environmental violation | 2011 | TX-ENV | $6,000 |
| Carpenter Urethanes I, LLC | | | environmental violation | 2011 | TX-ENV | $6,000 |
| Citgo Refining and Chemicals Company L.P. | PDVSA (Petroleos de Venezuela S.A.) | oil and gas | environmental violation | 2010 | TX-ENV | $6,000 |
| Southern Tank Transport, Inc. | | | environmental violation | 2010 | TX-ENV | $6,000 |
| Asalah, Inc. | | | environmental violation | 2008 | TX-ENV | $6,000 |
| Mason Ready Mix, Inc. | | | environmental violation | 2008 | TX-ENV | $6,000 |
| MILO DRIVE, INC. | | | environmental violation | 2008 | TX-ENV | $6,000 |
| Leiusre Pools USA Trading, Inc. | | | environmental violation | 2008 | TX-ENV | $6,000 |
| KC MATERIALS, INC. | | | environmental violation | 2008 | TX-ENV | $6,000 |
| El Paso Press/Box, Inc. | | | environmental violation | 2007 | TX-ENV | $6,000 |
| Cross-Cut Hardwoods, Inc. | | | environmental violation | 2007 | TX-ENV | $6,000 |
| Duininck Bros, Inc. | | | environmental violation | 2007 | TX-ENV | $6,000 |
| Mansfield Sand & Select | | | environmental violation | 2007 | TX-ENV | $6,000 |
| Price Construction, Ltd. | | | environmental violation | 2007 | TX-ENV | $6,000 |
| P & S Stone, Inc. | | | environmental violation | 2007 | TX-ENV | $6,000 |
| D&M Excavating, Inc. | | | environmental violation | 2007 | TX-ENV | $6,000 |
| Goodspeed Sand Company, Inc. | | | environmental violation | 2006 | TX-ENV | $6,000 |
| Osburn Sand Co. | | | environmental violation | 2006 | TX-ENV | $6,000 |
| New Braunfels Aero Service, Inc. | | | environmental violation | 2006 | TX-ENV | $6,000 |
| Overseas Enterprises USA, Inc. | | | environmental violation | 2006 | TX-ENV | $6,000 |
| Mastec North America, Inc. | MasTec | construction and engineering | environmental violation | 2006 | TX-ENV | $6,000 |
| Metro Brick Company | | | environmental violation | 2006 | TX-ENV | $6,000 |
| Samuel Consulting Inc. | | | environmental violation | 2006 | TX-ENV | $6,000 |
| Texas Molecular Limited Partnership | | | environmental violation | 2006 | TX-ENV | $6,000 |
| Salado Quarry, Inc. | | | environmental violation | 2005 | TX-ENV | $6,000 |
| Real Estate Property Investments, L.L.C. | | | environmental violation | 2005 | TX-ENV | $6,000 |
| Highway Travel Centers, Inc. dba Roadrunner Travel Center | | | environmental violation | 2005 | TX-ENV | $6,000 |
| Summit Resort Developments, Inc. dba Summit Estates at Fischer TX Unit 1 | | | environmental violation | 2005 | TX-ENV | $6,000 |
| Highway Travel Centers, Inc. dba Roadrunner Travel Center | | | environmental violation | 2005 | TX-ENV | $6,000 |
| Acme Brick Company | Berkshire Hathaway | diversified | environmental violation | 2005 | TX-ENV | $6,000 |
| Frost Crushed Stone Company, Inc. | | | environmental violation | 2005 | TX-ENV | $6,000 |
| Southmost Aviation, Inc. | | | environmental violation | 2005 | TX-ENV | $6,000 |
| PWT Enterprises, Inc. dba King Kleen Car Wash | | | environmental violation | 2005 | TX-ENV | $6,000 |
| Fe-Ma Enterprises, Inc. | | | environmental violation | 2004 | TX-ENV | $6,000 |
| Lamar University | | | environmental violation | 2004 | TX-ENV | $6,000 |
| Eastern Trust, Ltd | | | environmental violation | 2004 | TX-ENV | $6,000 |
| Owens Corning | Owens Corning | building materials | environmental violation | 2004 | TX-ENV | $6,000 |
| H & H Meat Products, Inc. | | | environmental violation | 2004 | TX-ENV | $6,000 |
| Teppco Crude Oil, L.P. | | | environmental violation | 2004 | TX-ENV | $6,000 |
| COMPASS OPERATING LLC | | | environmental violation | 2003 | TX-ENV | $6,000 |
| Rowland Dusters | | | environmental violation | 2003 | TX-ENV | $6,000 |
| Spiritz | | | environmental violation | 2003 | TX-ENV | $6,000 |
| International Airport Square Investment Ltd. dba Rodeway Inn International Airport | | | environmental violation | 2003 | TX-ENV | $6,000 |
| Fast Fabricators, Inc. | | | environmental violation | 2003 | TX-ENV | $6,000 |
| Exxon Mobil Corp. | Exxon Mobil | oil and gas | environmental violation | 2003 | TX-ENV | $6,000 |
| Flores Trucking | | | environmental violation | 2003 | TX-ENV | $6,000 |
| MH Pyramid, Inc. | | | environmental violation | 2003 | TX-ENV | $6,000 |
| Worth I-10 Investments, L.P. | | | environmental violation | 2003 | TX-ENV | $6,000 |
| United Petroleum Transports, Inc. | | | environmental violation | 2003 | TX-ENV | $6,000 |
| Duke Energy Field Services, LP | Enbridge | pipelines | environmental violation | 2002 | TX-ENV | $6,000 |
| El Paso Energy Corporation | Kinder Morgan | pipelines | environmental violation | 2002 | TX-ENV | $6,000 |
| Mike's Country Store | | | environmental violation | 2002 | TX-ENV | $6,000 |
| Bridgestone/Firestone, Inc. | Bridgestone | automotive parts | environmental violation | 2002 | TX-ENV | $6,000 |
| MZSG Enterprises, Inc. dba Nutime Truck Stop | | | environmental violation | 2002 | TX-ENV | $6,000 |
| ENERVEST OPERATING LLC - HOBART BOOSTER | | | environmental violation | 2002 | TX-ENV | $6,000 |
| OASIS PIPE LINE COMPANY WAHA CS | | | environmental violation | 2002 | TX-ENV | $6,000 |
| PETRO SOURCE CARBON COMPANY - PUCKETT CS | | | environmental violation | 2002 | TX-ENV | $6,000 |
| DEW GATHERING SYSTEM | | | environmental violation | 2002 | TX-ENV | $6,000 |
| ARROW TRUCKING COMPANY | | | environmental violation | 2002 | TX-ENV | $6,000 |
| G-P GYPSUM CORP - ACME GYPSUM PLANT | | | environmental violation | 2002 | TX-ENV | $6,000 |
| BBB Fertilizer Company | | | environmental violation | 2002 | TX-ENV | $6,000 |
| BESSER APPCO | | | environmental violation | 2002 | TX-ENV | $6,000 |
| SHOP N GO | | | environmental violation | 2002 | TX-ENV | $6,000 |
| HANOVER COMPRESSION INC | | | environmental violation | 2001 | TX-ENV | $6,000 |
| AMERITECH ENVIRONMENTAL | | | environmental violation | 2001 | TX-ENV | $6,000 |
| DEAN-CHEM INC | | | environmental violation | 2001 | TX-ENV | $6,000 |
| ADVANCED AROMATICS LP | | | environmental violation | 2001 | TX-ENV | $6,000 |
| PETROLEUM WHOLESALE INCORPORATED | | | environmental violation | 2001 | TX-ENV | $6,000 |
| BIOTEX ENVIRONMENTAL CORP | | | environmental violation | 2001 | TX-ENV | $6,000 |
| BOWSER'S AUTO BODY | | | environmental violation | 2001 | TX-ENV | $6,000 |
| CREEKSIDE UTILITIES INCORPORATED | | | environmental violation | 2001 | TX-ENV | $6,000 |
| TEJAS GAS PIPELINE LP - CS NUMBER 2 | | | environmental violation | 2001 | TX-ENV | $6,000 |
| HOLNAM TEXAS LIMITED PARTNERSHIP | | | environmental violation | 2001 | TX-ENV | $6,000 |
| MOBIL #12-QDO | | | environmental violation | 2001 | TX-ENV | $6,000 |
| DAVIS GAS PROCESSING CO | West Texas Gas | miscellaneous energy products and systems | environmental violation | 2001 | TX-ENV | $6,000 |
| FIXTURE EXCHANGE CORPORATION | | | environmental violation | 2001 | TX-ENV | $6,000 |
| MAVERICK TUBE CORPORATION | Techint | diversified | environmental violation | 2001 | TX-ENV | $6,000 |
| NORTHLAND SHOPPING CENTER WWTF | | | environmental violation | 2001 | TX-ENV | $6,000 |
| QUINTANA PETROLEUM - LAKE PASTURE CS | | | environmental violation | 2001 | TX-ENV | $6,000 |
| UNION OIL COMPANY OF CA - DOLLARHIDE GP | Chevron | oil and gas | environmental violation | 2000 | TX-ENV | $6,000 |
| CONTINENTAL GRAIN COMPANY | Continental Grain | agribusiness | environmental violation | 2000 | TX-ENV | $6,000 |
| CARABAN MOTOR MOTEL | | | environmental violation | 2000 | TX-ENV | $6,000 |
| MANTI RESOURCES INC MAURBRO CS | | | environmental violation | 2000 | TX-ENV | $6,000 |
| KOCH MIDSTREAM SERVICES - PUTNAM TREATER | | | environmental violation | 2000 | TX-ENV | $6,000 |
| OASIS PIPE LINE COMPANY OZONA CS | | | environmental violation | 2000 | TX-ENV | $6,000 |
| GENERAL CABLE INDUSTRIES INCORPORATED | Prysmian Group | electrical and electronic equipment | environmental violation | 2000 | TX-ENV | $6,000 |
| Mobil Chemical Olefins & Aromatics Plant | Exxon Mobil | oil and gas | environmental violation | 2000 | TX-ENV | $6,000 |
| SOUTHEAST TEXAS INDUSTRIES INC | | | environmental violation | 2000 | TX-ENV | $6,000 |
| Sterling Oil & Gas | | | environmental violation | 2021 | TX-RRC | $6,000 |
| Ramtex Energy LLC | | | environmental violation | 2020 | TX-RRC | $6,000 |
| Reliance Gathering, LLC | | | environmental violation | 2019 | TX-RRC | $6,000 |
| Vortex Turn Key | | | environmental violation | 2019 | TX-RRC | $6,000 |
| Holloman Corp. | | | environmental violation | 2019 | TX-RRC | $6,000 |
| 7S Oil & Gas, LLC | | | environmental violation | 2019 | TX-RRC | $6,000 |
| Facilities Rehabilitation Inc. | | | environmental violation | 2019 | TX-RRC | $6,000 |
| Facilities Rehabilitation Inc. | | | environmental violation | 2019 | TX-RRC | $6,000 |
| Delek Crude Logistics, LLC | Delek | oil and gas | environmental violation | 2019 | TX-RRC | $6,000 |
| Oxy Ingleside Oil Pipeline, LLC | | | environmental violation | 2018 | TX-RRC | $6,000 |
| Sunbelt Services Group | | | environmental violation | 2018 | TX-RRC | $6,000 |
| Sunbelt Services Group | | | environmental violation | 2018 | TX-RRC | $6,000 |
