| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | W. J. Hamilton Operator | Oil Operator | Aug 1978 | |
| 2 | Warren E & P Inc | Dallas, TX 75240 | Oil & Gas Operator | Jul 2025 |
| 3 | Wat Khmer Temple* | Oil Operator | Dec 2003 | |
| 4 | Watt Mineral Holdings LLC | Oil Operator | Sep 2025 | |
| 5 | Wayne Ballinger | Oil & Gas Operator | Dec 2000 | |
| 6 | West Energy Operating LLC | Oil & Gas Operator | Aug 2025 | |
| 7 | Western Avenue Properties | Oil & Gas Operator | Dec 1993 | |
| 8 | Western Discovery USA Inc. | Oil & Gas Operator | Jan 2018 |