| 1 | Fagadau Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2006 |
| 2 | Falcon Creek Resources, Inc. | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2001 |
| 3 | Famcor Oil, Inc. | Scottsdale, AZ 85260 | Oil & Gas Operator | Sep 2020 |
| 4 | Fasken Oil And Ranch, LTD. | Midland, TX 79707 | Oil & Gas Operator | Dec 2024 |
| 5 | Fed Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
| 6 | Fenway Energy Development Co. | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
| 7 | Fina Oil And Chemical Company | Dallas, TX 75221 | Oil & Gas Operator | May 2019 |
| 8 | Finaly Resources LLC | Sunset Beach, CA 90742 | Oil & Gas Operator | Dec 2024 |
| 9 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Dec 2024 |
| 10 | Fisher Oil Co. | Big Lake, TX 76932 | Oil & Gas Operator | Dec 2024 |
| 11 | Fiveash Operating Company, Inc. | Christoval, TX 76935 | Oil & Gas Operator | Aug 2003 |
| 12 | Flamingo Operating, LLC | Houston, TX 77084 | Oil & Gas Operator | Dec 2024 |
| 13 | Floyd Oil Co | Houston, TX 77002 | Oil & Gas Operator | Nov 1999 |
| 14 | Forcenergy Gas Exploration Inc. | Miami, FL 33129 | Oil & Gas Operator | Aug 1996 |
| 15 | Forcenergy Inc | Miami, FL 33129 | Oil & Gas Operator | Mar 2015 |
| 16 | Forest Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 17 | Forest Oil Permian Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 18 | Forge Energy Operating, LLC | San Antonio, TX 78249 | Oil & Gas Operator | Jun 2023 |
| 19 | Forge Energy, LLC | San Antonio, TX 78249 | Oil & Gas Operator | Apr 2019 |
| 20 | Forster, Fred Jr. | Midland, TX 79705 | Oil & Gas Operator | Aug 2008 |
| 21 | Forte Energy Corporation | Dallas, TX 75205 | Oil & Gas Operator | Dec 2010 |
| 22 | Fossil Rock Resources, Inc. | Fort Worth, TX 76185 | Oil & Gas Operator | May 2016 |
| 23 | Founders Oil & Gas Operating,LLC | Arlington, TX 76011 | Oil & Gas Operator | Jul 2023 |
| 24 | Four C Oil & Gas Corp. | Dallas, TX 75206 | Oil & Gas Operator | Jan 2024 |
| 25 | Fourway Oil Company | Longview, TX 75606 | Oil & Gas Operator | Dec 2024 |
| 26 | Free Rein Operating LLC | Brenham, TX 77834 | Oil & Gas Operator | Dec 2024 |
| 27 | Freedom Energy Inc | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Dec 2024 |
| 28 | Freedom Energy, Inc. (I) | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Jun 2003 |
| 29 | Freedom Energy, LTD. | Horseshoe Bay, TX 78657 | Oil & Gas Operator | Jun 2011 |
| 30 | Freeman Energy Inc. (I) | Fredericksbrg, TX 78624 | Oil & Gas Operator | Aug 1996 |
| 31 | Freeman, Kathleen Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 1996 |
| 32 | Freeport Oil Company | New Orleans, LA 70112 | Oil & Gas Operator | Oct 1979 |
| 33 | Frisco Energy, L.L.C. | Tulsa, OK 74105 | Oil & Gas Operator | Oct 2024 |
| 34 | Fuel Products, Inc. | Midland, TX 79702 | Oil Operator | Mar 2002 |
| 35 | Fuller Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 1995 |
| 36 | Fuller Petroleum Inc | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 37 | Fuller Production, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2024 |
| 38 | Furry Operating Account | Brownwood, TX 76804 | Oil & Gas Operator | Aug 2003 |