| 1 | Wallace Oil & Gas Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | Apr 2025 |
| 2 | Weinkauf Petroleum, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2025 |
| 3 | Wheeler Energy Co. | Tulsa, OK 74101 | Oil & Gas Operator | Jan 2025 |
| 4 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Apr 2025 |
| 5 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 6 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jan 2025 |
| 7 | Whitmar Exploration Company | Denver, CO 80202 | Oil & Gas Operator | Jan 2025 |
| 8 | Wilbanks Exploration, Inc. | Denver, CO 80202 | Oil & Gas Operator | May 2002 |
| 9 | Wildhorse Operating Company | Ardmore, OK 73402 | Oil & Gas Operator | Apr 2025 |
| 10 | Will Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jan 2025 |
| 11 | Winright Resources Operating,LLC | Houston, TX 77007 | Oil & Gas Operator | Apr 2025 |
| 12 | Wo Operating Company | Tulsa, OK 74159 | Oil & Gas Operator | Apr 2025 |
| 13 | Wynn-Crosby Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2005 |
| 14 | Wynn-Crosby Operating, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2025 |