| Petro-Smith Operating LLC | | | environmental violation | 2020 | TX-RRC | $5,000 |
| Atmos Energy Corp. | Atmos Energy | utilities and power generation | environmental violation | 2020 | TX-RRC | $5,000 |
| Centurion Pipeline L.P. | | | environmental violation | 2020 | TX-RRC | $5,000 |
| Condor Pipeline Services | | | environmental violation | 2020 | TX-RRC | $5,000 |
| Texas Gas Service Co. | | | environmental violation | 2019 | TX-RRC | $5,000 |
| Winters Construction | | | environmental violation | 2019 | TX-RRC | $5,000 |
| ExxonMobil Pipeline Co. | Exxon Mobil | oil and gas | environmental violation | 2019 | TX-RRC | $5,000 |
| Houston Pipeline Company LP | | | environmental violation | 2019 | TX-RRC | $5,000 |
| Mimbela Contractors, Inc. | | | environmental violation | 2019 | TX-RRC | $5,000 |
| Modena Operating, LLC | | | environmental violation | 2019 | TX-RRC | $5,000 |
| Gulfex Energy IV, LP | | | environmental violation | 2019 | TX-RRC | $5,000 |
| DCP Operating Company, LP | Phillips 66 | oil and gas | environmental violation | 2019 | TX-RRC | $5,000 |
| Lopez Utilities Contractor, LLC | | | environmental violation | 2019 | TX-RRC | $5,000 |
| Lopez Utilities Contractor, LLC | | | environmental violation | 2019 | TX-RRC | $5,000 |
| Lopez Utilities Contractor, LLC | | | environmental violation | 2019 | TX-RRC | $5,000 |
| Sunoco Pipeline L.P. | Energy Transfer | pipelines | environmental violation | 2019 | TX-RRC | $5,000 |
| MKS Resources | | | environmental violation | 2019 | TX-RRC | $5,000 |
| REO Operating LLC | | | environmental violation | 2019 | TX-RRC | $5,000 |
| Finley Resources, Inc. | | | environmental violation | 2019 | TX-RRC | $5,000 |
| Laredo Petroleum | Laredo Petroleum | oil and gas | environmental violation | 2019 | TX-RRC | $5,000 |
| O.H.M. Operating | | | environmental violation | 2019 | TX-RRC | $5,000 |
| MCK Enterprises, L.L.C. | | | environmental violation | 2019 | TX-RRC | $5,000 |
| MMG Contractors, LLC | | | environmental violation | 2019 | TX-RRC | $5,000 |
| Terravista Partners Ltd. | | | environmental violation | 2019 | TX-RRC | $5,000 |
| M-C Production & Drilling Co., Inc. | | | environmental violation | 2018 | TX-RRC | $5,000 |
| Atmos Energy Corp. | Atmos Energy | utilities and power generation | environmental violation | 2018 | TX-RRC | $5,000 |
| Kaiser Plumbing, L.L.C. | | | environmental violation | 2018 | TX-RRC | $5,000 |
| Kaiser Plumbing, L.L.C. | | | environmental violation | 2018 | TX-RRC | $5,000 |
| Texas Shallow Oil & Gas, LLC | | | environmental violation | 2018 | TX-RRC | $5,000 |
| Oklahoma Petroleum Allies, LLC | | | environmental violation | 2018 | TX-RRC | $5,000 |
| Targa Midstream Services LLC | Targa Resources | pipelines | environmental violation | 2018 | TX-RRC | $5,000 |
| Armadillo Plumbing | | | environmental violation | 2018 | TX-RRC | $5,000 |
| Tervita LLC | Republic Services | waste management and environmental services | environmental violation | 2018 | TX-RRC | $5,000 |
| Unit Petroleum Co. | Unit Corporation | oil and gas | environmental violation | 2018 | TX-RRC | $5,000 |
| C.J. Hood Communications Inc. | | | environmental violation | 2018 | TX-RRC | $5,000 |
| Casa Operations | | | environmental violation | 2018 | TX-RRC | $5,000 |
| Casa Operations | | | environmental violation | 2018 | TX-RRC | $5,000 |
| K-T Production | | | environmental violation | 2018 | TX-RRC | $5,000 |
| 7711 Operating Company, LLC | | | environmental violation | 2018 | TX-RRC | $5,000 |
| Marathon Pipe Line LLC | Marathon Petroleum | oil and gas | environmental violation | 2017 | TX-RRC | $5,000 |
| Samson Lone Star, LLC | | | environmental violation | 2017 | TX-RRC | $5,000 |
| Lavaca River Operating Co., LLC | | | environmental violation | 2017 | TX-RRC | $5,000 |
| Kinder Morgan Production Co. LLC | Kinder Morgan | pipelines | environmental violation | 2017 | TX-RRC | $5,000 |
| Redmon Oil Company, Inc. | | | environmental violation | 2017 | TX-RRC | $5,000 |
| Tabula Rasa Energy | | | environmental violation | 2017 | TX-RRC | $5,000 |
| DCP Midstream, LP | Phillips 66 | oil and gas | environmental violation | 2017 | TX-RRC | $5,000 |
| Citation Oil & Gas Corp. | Citation Oil & Gas | oil and gas | environmental violation | 2017 | TX-RRC | $5,000 |
| Cleary Petroleum Corp. | | | environmental violation | 2017 | TX-RRC | $5,000 |
| AOFH Meadowcreek, LLC | | | environmental violation | 2017 | TX-RRC | $5,000 |
| Brazos Valley Services aka B.V.S. Construction, Inc. | | | environmental violation | 2017 | TX-RRC | $5,000 |
| KM Liquids Terminals LLC | Kinder Morgan | pipelines | environmental violation | 2017 | TX-RRC | $5,000 |
| Primrose Resources, LLC | | | environmental violation | 2016 | TX-RRC | $5,000 |
| Primrose Resources, LLC | | | environmental violation | 2016 | TX-RRC | $5,000 |
| TKP Petroleum, Inc. | | | environmental violation | 2016 | TX-RRC | $5,000 |
| Plains Pipeline L.P. | Plains GP Holdings | pipelines | environmental violation | 2016 | TX-RRC | $5,000 |
| Venados Plumbing, Inc. | | | environmental violation | 2016 | TX-RRC | $5,000 |
| Axis Energy Corp. | | | environmental violation | 2016 | TX-RRC | $5,000 |
| HPPC, Inc. | | | environmental violation | 2016 | TX-RRC | $5,000 |
| Talus Resources LLC | | | environmental violation | 2016 | TX-RRC | $5,000 |
| Blood Sweat & Tears Energy, LLC | | | environmental violation | 2016 | TX-RRC | $5,000 |
| Eratz Investments Inc. | | | environmental violation | 2016 | TX-RRC | $5,000 |
| Jagged Peak Energy LLC | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Starr County Gas System | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Chesapeake Petroleum, LLC | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Koch Pipeline Company, L.P. | Koch Industries | diversified | environmental violation | 2015 | TX-RRC | $5,000 |
| Blue River, Inc. | | | environmental violation | 2015 | TX-RRC | $5,000 |
| BBX Operating, L.L.C. | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Southcross CCNG Gathering, Ltd. | Southcross Energy Partners | utilities and power generation | environmental violation | 2015 | TX-RRC | $5,000 |
| Black Strata LLC | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Heckmann Water Resource (CVR) Inc. | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Texas Mississippi Energy, LLC | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Wichita Water LLC | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Slate Holdings, Inc. | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Dale Operating Co. | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Kinder Morgan Texas Pipeline LLC | Kinder Morgan | pipelines | environmental violation | 2015 | TX-RRC | $5,000 |
| PDH Enterprises | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Atmos Energy Corp. | Atmos Energy | utilities and power generation | environmental violation | 2015 | TX-RRC | $5,000 |
| Lone Tree SWD LLC | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Endure Exploration Company, Inc. | | | environmental violation | 2015 | TX-RRC | $5,000 |
| Aegis Fluids Management, LLC | | | environmental violation | 2014 | TX-RRC | $5,000 |
| Atmos Energy Corp. | Atmos Energy | utilities and power generation | environmental violation | 2014 | TX-RRC | $5,000 |
| Sydri Operating, LLC | | | environmental violation | 2014 | TX-RRC | $5,000 |
| DBO Oil, Inc. | | | environmental violation | 2014 | TX-RRC | $5,000 |
| Momentum Production Corp. | | | environmental violation | 2014 | TX-RRC | $5,000 |
| Williams Road Mobile Home Park | | | environmental violation | 2014 | TX-RRC | $5,000 |
| Pharaoh Oil & Gas, Inc. | | | environmental violation | 2014 | TX-RRC | $5,000 |
| Quantum Investments | | | environmental violation | 2013 | TX-RRC | $5,000 |
| STP Production, LLC | | | environmental violation | 2012 | TX-RRC | $5,000 |
| I.T. Properties | | | environmental violation | 2012 | TX-RRC | $5,000 |
| MJ Oil, Inc. | | | environmental violation | 2011 | TX-RRC | $5,000 |
| Rockland Oil Co. | | | environmental violation | 2009 | TX-RRC | $5,000 |
| Keystone Operating Co. | | | environmental violation | 2009 | TX-RRC | $5,000 |
| Red River Exploration, Inc. | | | environmental violation | 2008 | TX-RRC | $5,000 |
| Tristar Exploration, Inc. | | | environmental violation | 2008 | TX-RRC | $5,000 |
| Tristar Exploration, Inc. | | | environmental violation | 2008 | TX-RRC | $5,000 |
| Fort Worth Natural Gas, Inc. | | | environmental violation | 2007 | TX-RRC | $5,000 |
| D and B Oil | | | environmental violation | 2007 | TX-RRC | $5,000 |
| Jackson Tank Trucks | | | environmental violation | 2007 | TX-RRC | $5,000 |
| Raider Oil & Gas Co. | | | environmental violation | 2006 | TX-RRC | $5,000 |
| Bayridge Texas Corp. | | | environmental violation | 2004 | TX-RRC | $5,000 |
| Multipay Energy, Inc. | | | environmental violation | 2003 | TX-RRC | $5,000 |
