| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | W. R. Williams, Inc. | Amarillo, TX 79105 | Gas Operator | Dec 2019 |
| 2 | Wallace Oil & Ga | Gas Operator | Oct 1995 | |
| 3 | Wallace Oil & Gas Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | Oct 2025 |
| 4 | Western Operating Company | Denver, CO 80204 | Oil & Gas Operator | Jul 2025 |
| 5 | Whitco Petroleum, LP | Leoti, KS 67861 | Oil & Gas Operator | Jun 2025 |
| 6 | Wynn-Crosby Operating, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |