| 1 | T & S Mud Disposal LLC | Lindsay, OK 73052-0754 | Oil Operator | Mar 2013 |
| 2 | T & W Ward Oil LLC | Blackwell, OK 74631 | Oil Operator | Jan 2024 |
| 3 | T And L Oil Inc | Tonkawa, OK 74653-4530 | Oil & Gas Operator | Jan 2024 |
| 4 | Taber Oil Co | | Oil Operator | Sep 2018 |
| 5 | Tapoil Inc | Elmore City, OK 73433-9077 | Oil & Gas Operator | Jul 2021 |
| 6 | Tarka Energy LLC | | Oil & Gas Operator | Mar 2022 |
| 7 | Te-Ray Resources, LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | May 2024 |
| 8 | Templar Operating LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Jan 2024 |
| 9 | Territory Resources LLC | Stillwater, OK 74074-1869 | Oil & Gas Operator | Feb 2024 |
| 10 | Terry John Trust | Aurora, CO 80012-5112 | Oil & Gas Operator | May 2016 |
| 11 | Terry Production Co | Stroud, OK 74079-0475 | Oil & Gas Operator | Aug 2008 |
| 12 | Tessera Energy LLC | | Oil & Gas Operator | Jan 2024 |
| 13 | Texaco Expl. And Prod. Inc. | Houston, TX 77236 | Oil & Gas Operator | Jan 2024 |
| 14 | Texaco Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Dec 2017 |
| 15 | Texcel Exploration, Inc. | Colorado SPGS, CO 80960 | Oil & Gas Operator | May 2024 |
| 16 | The Warren Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2016 |
| 17 | Thomas J L Engineering Inc | Edmond, OK 73003-0026 | Oil & Gas Operator | Jul 2016 |
| 18 | Three Sands Oil Inc | Perry, OK 73077-0853 | Oil & Gas Operator | May 2023 |
| 19 | Tickel Jim & Cindy | Blackwell, OK 74631-6015 | Oil Operator | Jan 2013 |
| 20 | Tidewater Operating Co Inc | Tulsa, OK 74136-6308 | Oil & Gas Operator | Jan 2024 |
| 21 | Tiger Trucks Inc | Seminole, OK 74868 | Oil & Gas Operator | Feb 2024 |
| 22 | Tonkawa Saltwater Disposal LLC | | Oil Operator | Dec 2015 |
| 23 | Tonys Crude Oil Reclaiming Plant Inc | | Oil Operator | Jan 2024 |
| 24 | Torch Operating Company | Houston, TX 77010 | Oil & Gas Operator | Mar 2015 |
| 25 | Total Petroleum Inc | Denver, CO 80201-0500 | Oil & Gas Operator | Nov 2006 |
| 26 | Trek Resources, Inc. | Dallas, TX 75207 | Oil & Gas Operator | May 2024 |
| 27 | Trey Resources Inc. | Midland, TX 79710 | Oil & Gas Operator | Jan 2024 |
| 28 | Triple C Properties Inc | Seminole, OK 74818-0481 | Oil & Gas Operator | Jun 2023 |
| 29 | Triple Diamond Energy Operating LLC | Dallas, TX 75254-8352 | Oil & Gas Operator | Jun 2014 |
| 30 | Triple L Management Co Inc | Edmond, OK 73025-2908 | Oil & Gas Operator | Apr 2018 |
| 31 | Tripower Resources, Inc. | Ardmore, OK 73402 | Oil & Gas Operator | Mar 2020 |
| 32 | Trivestco Energy Company | Ponca City, OK 74601 | Oil & Gas Operator | Feb 2024 |
| 33 | Trout Disposal Well Inc | Hammon, OK 73650-0292 | Oil & Gas Operator | Jul 2016 |
| 34 | Truevine Operating LLC | Ada, OK 74821-1422 | Oil & Gas Operator | Jan 2024 |
| 35 | Turntable Energy Inc | | Oil & Gas Operator | Jan 2024 |
| 36 | Twisted Oak Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2024 |