| 901 | Fuse Energy, LLC | Alvord, TX 76225 | Oil & Gas Operator | Jan 2019 |
| 902 | Fusion XP, Inc. | Arlington, TX 76006 | Oil Operator | Apr 2014 |
| 903 | Future Energy Corp | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1991 |
| 904 | Future Energy Li | | Oil Operator | Nov 1991 |
| 905 | Future Energy Partners | Bartlesville, OK 74005 | Oil & Gas Operator | Feb 2017 |
| 906 | Future Oil & Gas, Inc. | | Oil & Gas Operator | Mar 2010 |
| 907 | Future Petroleum Company LLC | Houston, TX 77027 | Oil & Gas Operator | Jun 2013 |
| 908 | Future Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 1999 |
| 909 | FWB Petroleum, Inc. | Euless, TX 76040 | Oil & Gas Operator | Dec 2000 |
| 910 | FWF Exploration Inc | | Oil Operator | Oct 1994 |
| 911 | FX Drilling Company, Inc. | Cut Bank, MT 59427 | Oil & Gas Operator | Feb 2024 |
| 912 | FX Energy Operating, LLC | Canadian, TX 79014 | Oil & Gas Operator | Apr 2024 |
| 913 | Fyler Oil, LLC | McPherson, KS 67460 | Oil Operator | Dec 2023 |
| 914 | Fyler, M. A. | Rangley, CO 81648 | Oil Operator | Mar 1988 |