| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | W S Crude Oil Purchasing Inc | Oklahoma City, OK 73129-7613 | Oil & Gas Operator | May 2008 |
| 2 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | May 2024 |
| 3 | Western Oil And Gas Development Corp | Oklahoma City, OK 73103-3735 | Oil & Gas Operator | Feb 2024 |
| 4 | Westside Wells Inc | Altus, OK 73522-0077 | Oil & Gas Operator | Nov 2020 |
| 5 | Wharton Oil Co. | Vernon, TX 76384 | Oil & Gas Operator | Dec 2000 |
| 6 | Windward Development LLC | Tulsa, OK 74136-7007 | Oil & Gas Operator | Jul 2019 |
| 7 | Winston Oil Co | Marietta, OH 45750-754-754 | Oil & Gas Operator | Feb 2024 |
| 8 | Woodward Iodine Corporation | Woodward, OK 73802-1245 | Oil & Gas Operator | Feb 2024 |