| 1 | F H Walsh Jr Operating Co Inc | | Oil & Gas Operator | Jul 1995 |
| 2 | F Howard Walsh Jr | | Oil & Gas Operator | Aug 1992 |
| 3 | F W Rabalais, Inc. | | Oil & Gas Operator | Dec 2014 |
| 4 | Fifty Third Corp. & K.M.O.C. | | Gas Operator | Jul 1994 |
| 5 | Fifty-Third Corporation | | Gas Operator | Jul 1994 |
| 6 | Fontainebleau Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 7 | Fortune Gas & Oil, Inc. | | Oil & Gas Operator | Apr 2004 |
| 8 | Four Star Development Corp. | | Oil & Gas Operator | Feb 2013 |
| 9 | Frank B McGrath | | Gas Operator | Nov 2011 |
| 10 | Frank Spooner | | Oil & Gas Operator | Mar 1984 |
| 11 | Franks & Bass Et Al | | Oil & Gas Operator | Sep 1989 |
| 12 | Franks & Petrofunds Inc. Etal | | Oil & Gas Operator | Jun 1986 |
| 13 | Franks & Petrofunds, Inc. | | Oil & Gas Operator | Sep 1989 |
| 14 | Franks Petroleum Inc. | | Oil & Gas Operator | Nov 1994 |
| 15 | Franks Petroleum, Inc. Et Al | | Oil & Gas Operator | Oct 1989 |
| 16 | Franks,Petrofunds & Flynn Etal | | Oil & Gas Operator | Nov 1984 |
| 17 | Fredonia Resources Inc. | Longview, TX 75606 | Oil & Gas Operator | Aug 2003 |