| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Walker Paul | Duncan, OK 73533-9782 | Oil & Gas Operator | Feb 2022 |
| 2 | Walters Oil Well Service Inc | Walters, OK 73572-0467 | Oil & Gas Operator | Nov 2000 |
| 3 | Wharton Oil Co. | Vernon, TX 76384 | Oil & Gas Operator | Dec 2000 |
| 4 | Williams Operating Company LLC | Duncan, OK 73533 | Oil Operator | Jun 2025 |
| 5 | Williams Petroleum Company, Inc. | Burkburnett, TX 76354 | Oil & Gas Operator | Oct 2025 |
| 6 | Wilson Well Service | Loco, OK 73442-0114 | Oil & Gas Operator | Mar 2018 |
| 7 | Wineinger Dickie L Dba Royal Petroleum Co | Iowa Park, TX 76367 | Oil Operator | Nov 2022 |