| 1 | Fairways Exploration & Production, LLC | Houston, TX 77057 | Oil & Gas Operator | Aug 2025 |
| 2 | Federal Hill Land Co., Inc. | | Gas Operator | Apr 1991 |
| 3 | Fina Oil And Chemical Company | Dallas, TX 75221 | Oil & Gas Operator | May 2019 |
| 4 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Oct 2025 |
| 5 | Flare, Inc. | | Oil & Gas Operator | Jul 1995 |
| 6 | Fletcher Petroleum Corp. | Fairhope, AL 36533 | Oil & Gas Operator | Jul 2025 |
| 7 | Flow Production Company | Midland, TX 79708 | Oil & Gas Operator | Mar 2005 |
| 8 | FMP Operating Co., LTD. PTN. | | Oil & Gas Operator | Mar 1990 |
| 9 | Forcenergy Inc | Miami, FL 33129 | Oil & Gas Operator | Mar 2015 |
| 10 | Foshee Operating, LLC | | Oil & Gas Operator | Jun 2004 |
| 11 | Four Star Oil & Gas Company | Houston, TX 77252 | Oil & Gas Operator | Jul 2025 |
| 12 | Freebird Gas Storage, LLC | Houston, TX 77042 | Gas Operator | May 2000 |