| 101 | Fossil Operating, Inc. | Dallas, TX 75238 | Oil & Gas Operator | May 2026 |
| 102 | Foster-Brown Operations, Inc. | | Oil & Gas Operator | Apr 2003 |
| 103 | Foti Oil & Gas, Inc. | | Oil Operator | Sep 1986 |
| 104 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | May 2026 |
| 105 | Four Rivers Exploration, Inc. | | Oil & Gas Operator | Sep 2002 |
| 106 | Four Seasons, Inc. | | Oil & Gas Operator | Jun 1983 |
| 107 | Four Star Development Corp. | | Oil & Gas Operator | Feb 2013 |
| 108 | Four Star Oil Company | | Oil & Gas Operator | May 2015 |
| 109 | Fpco Oil & Gas Co. | New Orleans, LA 70160 | Oil & Gas Operator | Jan 2026 |
| 110 | Fran Oil, Inc. | | Oil & Gas Operator | Dec 2024 |
| 111 | Francis Oil & Gas, LLC | | Oil & Gas Operator | Jan 2011 |
| 112 | Francis-Guido Oil Expl. Inc. | | Oil Operator | Feb 1986 |
| 113 | Francis-Guido Operating Co Inc | | Oil & Gas Operator | Dec 1987 |
| 114 | Frank B McGrath | | Gas Operator | Nov 2011 |
| 115 | Frank B. Aumiller | | Oil Operator | Jun 1991 |
| 116 | Frank C. VInson | | Oil & Gas Operator | May 1995 |
| 117 | Frank Hale | | Oil & Gas Operator | Jan 2025 |
| 118 | Frank J. Hall | | Oil & Gas Operator | Oct 1979 |
| 119 | Frank S. Moore | | Oil Operator | Feb 1990 |
| 120 | Frank Spooner | | Oil & Gas Operator | Mar 1984 |
| 121 | Frankrich Operating Company | | Gas Operator | May 2007 |
| 122 | Franks & Bass Et Al | | Oil & Gas Operator | Sep 1989 |
| 123 | Franks & Broyles Et Al | | Oil & Gas Operator | Sep 1989 |
| 124 | Franks & Duggan | | Oil & Gas Operator | Nov 1987 |
| 125 | Franks & Flynn Energy | | Oil & Gas Operator | Jun 1987 |
| 126 | Franks & McRae | | Oil & Gas Operator | Sep 1989 |
| 127 | Franks & Petrofunds Inc. Etal | | Oil & Gas Operator | Jun 1986 |
| 128 | Franks & Petrofunds, Inc. | | Oil & Gas Operator | Sep 1989 |
| 129 | Franks - Arkla | | Oil & Gas Operator | Jun 1985 |
| 130 | Franks - Duggan Et Al | | Oil & Gas Operator | Aug 1989 |
| 131 | Franks Operating Company, L.L.C. | | Oil & Gas Operator | Dec 2024 |
| 132 | Franks Petroleum Inc. | | Oil & Gas Operator | Nov 1994 |
| 133 | Franks Petroleum, Inc. Et Al | | Oil & Gas Operator | Oct 1989 |
| 134 | Franks,Petrofunds & Flynn Etal | | Oil & Gas Operator | Nov 1984 |
| 135 | Franks-Petrofund-Placid-Swepco | | Oil & Gas Operator | Aug 1989 |
| 136 | Franks-Petrofunds & Vermilion | | Oil & Gas Operator | Aug 1989 |
| 137 | Frazier Temple Oil Co. | | Oil & Gas Operator | Dec 1996 |
| 138 | Fre-Lyn, Inc. | | Oil Operator | Feb 1985 |
| 139 | Fred E. Simmons, Jr. | | Oil & Gas Operator | Nov 1981 |
| 140 | Fred Olsen,Inc. | | Oil & Gas Operator | Jan 1981 |
| 141 | Fred Whitaker | | Oil Operator | Feb 1985 |
| 142 | Fredonia Resources Inc. | Longview, TX 75606 | Oil & Gas Operator | Aug 2003 |
| 143 | Fredria Bertrand, SR. | | Oil Operator | May 2021 |
| 144 | Freeman Oil | | Oil & Gas Operator | Jun 1995 |
| 145 | Freeman Oil Co | Midland, TX 79701 | Oil & Gas Operator | Sep 2014 |
| 146 | Freeport Oil Company | New Orleans, LA 70112 | Oil & Gas Operator | Oct 1979 |
| 147 | Freeport-McMoran Inc | New Orleans, LA 70160 | Oil & Gas Operator | Apr 1997 |
| 148 | Freeport-McMoran Oil & Gas Co. | | Oil & Gas Operator | Jan 1991 |
| 149 | Fremont Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2004 |
| 150 | French Production Incorporated | Houston, TX 77086 | Oil & Gas Operator | Dec 1997 |
| 151 | Frisco Energy, L.L.C. | Tulsa, OK 74105 | Oil & Gas Operator | Feb 2026 |
| 152 | Fritz Operating Co. | | Oil & Gas Operator | Jun 1990 |
| 153 | Frog Island, L.L.C. | | Oil Operator | Jan 2025 |
| 154 | Frontier Exploration, Inc. | | Oil & Gas Operator | Aug 1984 |
| 155 | Frontier Resources, Inc. | Dallas, TX 75214 | Oil & Gas Operator | May 2026 |
| 156 | Frontier, Inc. | | Oil Operator | Oct 1998 |
| 157 | Fun Investments, L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 158 | Future Oil & Gas, Inc. | | Oil & Gas Operator | Mar 2010 |
| 159 | FWB Petroleum, Inc. | Euless, TX 76040 | Oil & Gas Operator | Dec 2000 |