| 1 | T & S Mud Disposal LLC | Lindsay, OK 73052-0754 | Oil Operator | Mar 2013 |
| 2 | T B K Energy Company | | Oil & Gas Operator | Feb 2024 |
| 3 | T Bar M Energy Resources LLC | | Oil & Gas Operator | Jan 2024 |
| 4 | T C M LLC | | Gas Operator | Jun 2009 |
| 5 | T D Energy Company Inc | Broken Arrow, OK 74011-3953 | Oil & Gas Operator | Feb 2015 |
| 6 | Taylor Production Company | Collinsville, OK 74021 | Oil Operator | Nov 1998 |
| 7 | Teale F William | Tulsa, OK 74136-1017 | Oil & Gas Operator | Jun 2000 |
| 8 | Tec Pipeline LLC | Tulsa, OK 74128 | Oil & Gas Operator | Mar 2015 |
| 9 | Tec Resources, L.L.C. | Tulsa, OK 74128 | Oil & Gas Operator | May 2013 |
| 10 | Texaco Expl. And Prod. Inc. | Houston, TX 77236 | Oil & Gas Operator | Jan 2024 |
| 11 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
| 12 | Texas United Petroleum Inc | Dallas, TX 75243 | Oil & Gas Operator | Jun 2003 |
| 13 | The William R Earnhardt Company | Bristow, OK 74010-1114 | Oil & Gas Operator | Jan 2024 |
| 14 | Thomas E L | Tulsa, OK 74136-6302 | Oil & Gas Operator | Feb 2015 |
| 15 | Thomas Exploration Company | Tulsa, OK 74136-6302 | Oil & Gas Operator | Feb 2024 |
| 16 | Threet David Allen | Sand Springs, OK 74063-4035 | Oil & Gas Operator | Jan 2024 |
| 17 | Thunder Petroleum LLC | | Oil Operator | Sep 2022 |
| 18 | Tiger Trucks Inc | Seminole, OK 74868 | Oil & Gas Operator | Feb 2024 |
| 19 | Tilley Matt Dba Tilley Oil Co | | Oil & Gas Operator | Jan 2024 |
| 20 | Tilley Oil & Gas, Inc. | Oklahoma City, OK 73172 | Oil & Gas Operator | May 2024 |
| 21 | TKL Oil Properties Inc | Konawa, OK 74849 | Oil & Gas Operator | Dec 2023 |
| 22 | Toklan Oil And Gas Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2024 |
| 23 | Tonys Crude Oil Reclaiming Plant Inc | | Oil Operator | Jan 2024 |
| 24 | Tower Energy Corporation | Sapulpa, OK 74067-0837 | Oil & Gas Operator | Mar 2015 |
| 25 | Transcoastal Operating LLC | Dallas, TX 75252-5646 | Oil & Gas Operator | Mar 2015 |
| 26 | Triad Resources Inc | Spring, TX 77389 | Oil & Gas Operator | Dec 2020 |
| 27 | Triple C Properties Inc | Seminole, OK 74818-0481 | Oil & Gas Operator | Jun 2023 |
| 28 | Triple S Drilling Company | Leonard, OK 74043 | Oil & Gas Operator | Feb 2012 |
| 29 | Trout Disposal Well Inc | Hammon, OK 73650-0292 | Oil & Gas Operator | Jul 2016 |
| 30 | Truckers Disposal Inc | Skiatook, OK 74070-0147 | Oil & Gas Operator | Feb 2024 |