| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Texas Secondary Oil Corporation | Devine, TX 78016 | Oil & Gas Operator | Oct 2025 |
| 2 | Thrall Operating Company, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Oct 2025 |
| 3 | Tracker Oil & Gas, Inc. | Bastrop, TX 78602 | Oil & Gas Operator | Oct 2025 |
| 4 | Txu Lone Star Pipeline | Dallas, TX 75201 | Oil & Gas Operator | Oct 2003 |