| 1 | Tag Operating Company, Inc. | Houston, TX 77092 | Oil & Gas Operator | Nov 2024 |
| 2 | Tanos Exploration II, LLC | Tyler, TX 75701 | Oil & Gas Operator | Sep 2023 |
| 3 | TDX Energy, LLC | Shreveport, LA 71101 | Oil & Gas Operator | Jul 2024 |
| 4 | Teco Operating Company | Athens, TX 75751 | Oil & Gas Operator | Jun 2001 |
| 5 | Tejas Petroleum Resources, LLC | Aubrey, TX 76227 | Oil & Gas Operator | Nov 2024 |
| 6 | Tensas Delta Explo. Co., LLC | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2011 |
| 7 | Texas Crude, Inc. | Houston, TX 77256 | Oil & Gas Operator | Oct 1995 |
| 8 | Texlan Oil Company, Inc. | Tyler, TX 75701 | Oil & Gas Operator | Nov 1994 |
| 9 | Texlan Oil Company, L.C. | Tyler, TX 75711 | Oil & Gas Operator | Aug 2003 |
| 10 | TGNR East Texas II LLC | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
| 11 | Tide West Oil Company | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2021 |
| 12 | Tracy Production | Lindale, TX 75771 | Oil & Gas Operator | Nov 2024 |
| 13 | Trans-Texas Resources, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Feb 1993 |
| 14 | Triad Energy Corporation | Houston, TX 77057 | Oil & Gas Operator | Oct 2011 |
| 15 | Triple J Investments Inc | Longview, TX 75606 | Oil & Gas Operator | Feb 2023 |
| 16 | TX Lone Star Operating Co, LLC | Sulphur SPGS, TX 75483 | Oil & Gas Operator | Nov 2024 |
| 17 | Ty-Tex Exploration, Inc. | Tyler, TX 75711 | Oil Operator | Dec 2000 |