| 1 | Fairchild Well Service Inc | Ponca City, OK 74602-0470 | Oil & Gas Operator | Jun 2006 |
| 2 | Fairview Production Co LLC | Davis, OK 73030 | Oil & Gas Operator | Feb 2024 |
| 3 | Fallen Timbers Energy LLC | | Oil Operator | Feb 2021 |
| 4 | Federal Energy Development Co. | Dallas, TX 75205 | Oil & Gas Operator | Mar 2011 |
| 5 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 6 | Ferraro Energy Corporation | Oklahoma City, OK 73114-6629 | Oil & Gas Operator | Aug 2013 |
| 7 | FGS Energy LLC | | Oil & Gas Operator | Jan 2024 |
| 8 | Flatt Energy Inc | | Oil & Gas Operator | Sep 2019 |
| 9 | Forest 1 Development Company | Denver, CO 80202-4966 | Oil & Gas Operator | Mar 2008 |
| 10 | Freedom Operating Company LLC | | Oil & Gas Operator | Jan 2024 |