| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | WD Oil Company I | Oil Operator | Apr 1986 | |
| 2 | Western Properti | Oil Operator | Oct 1987 | |
| 3 | Westgate Oil Com | Oil Operator | Mar 1993 | |
| 4 | Westgate Oil Company, Inc. | Eureka, KS 67045 | Oil & Gas Operator | Nov 2025 |
| 5 | White Hawk Oil C | Oil & Gas Operator | Sep 1995 | |
| 6 | White Hawk Oil Company, A General Partnership | Tulsa, OK 74101 | Oil Operator | Sep 2025 |
| 7 | White Hawk Oil Company, LLP | Tulsa, OK 74103 | Oil Operator | Sep 2025 |
| 8 | Widrig Oil LLC | Leawood, KS 66209 | Oil Operator | Sep 2025 |