| 1 | Tahiti PTRS Enrgy Solutions Corp | Long Beach, CA 90807 | Oil Operator | Oct 2025 |
| 2 | Tesuque Oil & Gas LLC | Rockdale, TX 76567 | Oil Operator | Oct 2025 |
| 3 | Texas Land & Trading Co, Inc. | Austin, TX 78734 | Oil & Gas Operator | Mar 2008 |
| 4 | Texas Onshore Energy, Inc. | Austin, TX 78704 | Oil & Gas Operator | Oct 2025 |
| 5 | Texas Royalty Corp. | Austin, TX 78746 | Oil & Gas Operator | Oct 2025 |
| 6 | Texas Secondary Oil Corporation | Devine, TX 78016 | Oil & Gas Operator | Oct 2025 |
| 7 | Three Forks Operating Co, LLC | Flatonia, TX 78941 | Oil & Gas Operator | Oct 2025 |
| 8 | Three-C Production Company | Temple, TX 76502 | Oil Operator | Oct 2025 |
| 9 | Tidal Petroleum, Inc. | Schertz, TX 78154 | Oil & Gas Operator | Oct 2025 |
| 10 | Tor Energy, LLC | Temple, TX 76501 | Oil & Gas Operator | Oct 2025 |
| 11 | Treadstone Energy PRTNR Op, LLC | Katy, TX 77494 | Oil & Gas Operator | Oct 2025 |
| 12 | Tri-C Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Aug 2009 |
| 13 | Trustar Operating Company Inc. | Austin, TX 78750 | Oil Operator | Oct 2025 |
| 14 | TT Operating, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 15 | Txu Lone Star Pipeline | Dallas, TX 75201 | Oil & Gas Operator | Oct 2003 |