| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Kaiser-Francis Oil Company | Tulsa, OK 74121 | Oil & Gas Operator | Oct 2025 |
| 2 | Kalos Corporation | Tyler, TX 75701 | Oil & Gas Operator | Oct 2025 |
| 3 | Kem Energy, Inc. | Katy, TX 77450 | Oil & Gas Operator | Oct 2025 |
| 4 | Key Production Company, Inc. | Longview, TX 75606 | Oil & Gas Operator | Jun 2025 |
| 5 | Kiamichi Oil & Gas | Whitehouse, TX 75791 | Oil Operator | Oct 1997 |
| 6 | Kimbell Operating Company | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2025 |
| 7 | King Operating Corporation | Fort Worth, TX 76147 | Oil & Gas Operator | Oct 2025 |