| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | W. A. Moncrief | Oil & Gas Operator | Jun 2010 | |
| 2 | W. A. Moncrief, Jr. | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2025 |
| 3 | Westar Oil & Minerals | Oil Operator | Feb 1999 | |
| 4 | White River Operating LLC | Gilmer, TX 75644 | Oil & Gas Operator | Jul 2025 |
| 5 | Wilcox Energy Company | Oil & Gas Operator | Jul 2025 | |
| 6 | Woco La, LLC | Oil Operator | Jan 2025 |