| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | W. E. O'Malley, Inc. | Oil & Gas Operator | Jun 1991 | |
| 2 | Wayne J. Spears | Oil & Gas Operator | Sep 2005 | |
| 3 | White River Operating LLC | Gilmer, TX 75644 | Oil & Gas Operator | Jul 2025 |
| 4 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jan 2025 |
| 5 | World Oil & Gas Expl., Inc. | Oil & Gas Operator | Mar 1988 |