Oil & Gas Companies in Haskell County, OK
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Fair Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 2000 |
| 2 | Faulconer, Vernon E., Inc. | Tyler, TX 75711 | Oil & Gas Operator | Jul 2026 |
| 3 | First Natural Gas Inc | Checotah, OK 74426 | Oil & Gas Operator | Jun 2026 |
| 4 | Fort Exploration Company | FT Smith, AR 72901 | Gas Operator | May 2001 |
| 5 | Fort Operating Company | Fort Smith, AR 72923 | Gas Operator | Nov 2018 |
| 6 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Sep 2026 |
| 7 | FP Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2008 |
Production numbers shown above are only for Haskell County, OK and for the production period listed.