| 1 | W.W. Energy | Luling, TX 78648 | Oil & Gas Operator | Dec 2024 |
| 2 | Wainoco Oil & Gas Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2005 |
| 3 | Walker, Daniel J. | La Vernia, TX 78121 | Oil Operator | Dec 2024 |
| 4 | Walker, Harrel L. | La Vernia, TX 78121 | Oil & Gas Operator | May 2023 |
| 5 | Warwick-Artemis, LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | Dec 2024 |
| 6 | Watco Energy, Inc. | Tyler, TX 75713 | Oil & Gas Operator | Apr 1996 |
| 7 | WCS Oil & Gas Corporation | Dallas, TX 75209 | Oil & Gas Operator | Aug 2021 |
| 8 | Wen-Be | Jourdanton, TX 78026 | Oil & Gas Operator | Dec 2024 |
| 9 | Westridge Oil & Gas Properties | Mineral Wells, TX 76068 | Oil & Gas Operator | Dec 2024 |
| 10 | Wilbrook Exploration, Inc. | Lingleville, TX 76461 | Oil & Gas Operator | Aug 2003 |
| 11 | Williams, Clayton Energy, Inc. | Houston, TX 77070 | Oil & Gas Operator | Dec 2024 |
| 12 | Winn Exploration Co., Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Dec 2024 |
| 13 | Wolfe Oil Company | Stockdale, TX 78160 | Oil Operator | Dec 2024 |
| 14 | WRD Oil, LLC | Floresville, TX 78114 | Oil & Gas Operator | Dec 2024 |
| 15 | Wright Brothers Energy, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Dec 2024 |
| 16 | WSM | New Braunfels, TX 78132 | Oil Operator | Dec 2024 |
| 17 | WTXR Operating (Texas), Inc. | Carrollton, TX 75007 | Oil Operator | Dec 2024 |