| 101 | Flynn Energy Corporation | Tulsa, OK 74137 | Oil & Gas Operator | Mar 1993 |
| 102 | Focus Energy, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2019 |
| 103 | Follett Operating Co. | Darrouzett, TX 79024 | Oil & Gas Operator | Jun 2019 |
| 104 | Foothills Energy LLC | Seabrook, TX 77586-3541 | Gas Operator | Feb 2013 |
| 105 | Forcenergy Inc | Miami, FL 33129 | Oil & Gas Operator | Mar 2015 |
| 106 | Ford Energy Corporation | Chickasha, OK 73018 | Oil & Gas Operator | Feb 2026 |
| 107 | Ford Tank Truck Service | | Oil Operator | Jan 2022 |
| 108 | Ford, R. J. Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | May 2026 |
| 109 | Foree Oil Company | Terrell, TX 75160 | Oil & Gas Operator | May 2026 |
| 110 | Foreman Enterprises Inc | Edmond, OK 73003 | Oil & Gas Operator | Oct 2025 |
| 111 | Foreman Joy | Guymon, OK 73942-3159 | Oil & Gas Operator | Jan 2003 |
| 112 | Forest 1 Development Company | Denver, CO 80202-4966 | Oil & Gas Operator | Mar 2008 |
| 113 | Forest Oil Permian Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 114 | Forestar Oil & Gas LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2016 |
| 115 | Formentera Operations LLC | Austin, TX 78701 | Oil & Gas Operator | May 2026 |
| 116 | Formor Operating Inc | Tyler, TX 75701 | Oil & Gas Operator | May 2013 |
| 117 | Forrest A Ward | Okmulgee, OK 74447-8891 | Oil & Gas Operator | Jul 2025 |
| 118 | Forrest, Catherine M | | Oil & Gas Operator | Apr 2025 |
| 119 | Forsythe Lawana | Wilson, OK 73463 | Oil Operator | Mar 2020 |
| 120 | Forsythe Trucking Inc | Wilson, OK 73463 | Oil & Gas Operator | Oct 2025 |
| 121 | Fort Exploration Company | FT Smith, AR 72901 | Gas Operator | May 2001 |
| 122 | Fort Operating Company | Fort Smith, AR 72923 | Gas Operator | Nov 2018 |
| 123 | Fortay Inc. | Sunray, TX 79086 | Oil & Gas Operator | May 2026 |
| 124 | Forte Energy Corpration | Houston, TX 77024-1209 | Oil & Gas Operator | Jan 1995 |
| 125 | Fortuna Energy Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2014 |
| 126 | Fossil Creek Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2026 |
| 127 | Fossil Creek Resources LLC | Arlington, TX 76011-5597 | Oil & Gas Operator | Mar 2015 |
| 128 | Fossil Fuels Inc. | Dallas, TX 75201 | Oil & Gas Operator | May 2000 |
| 129 | Foster Oil & Gas | Bartlesville, OK 74005 | Oil & Gas Operator | Mar 2014 |
| 130 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | May 2026 |
| 131 | Four A Oil Company Inc | Copan, OK 74022 | Oil Operator | Aug 2022 |
| 132 | Four Brothers Inc | | Oil & Gas Operator | Jan 2020 |
| 133 | Four North Inc | Atoka, OK 74525 | Oil Operator | Feb 2004 |
| 134 | Four Seas Exploration LLC | Oklahoma City, OK 73101-1557 | Oil & Gas Operator | Dec 2019 |
| 135 | Four Square Oil Company Inc | Kellyville, OK 74039 | Oil Operator | Mar 2011 |
| 136 | Four Star Oil & Gas Company | Houston, TX 77252 | Oil & Gas Operator | Feb 2026 |
| 137 | Four-O-One Corporation | Edmond, OK 73013-1977 | Oil & Gas Operator | Mar 2015 |
| 138 | Fox Jr Jimmy D | Bartlesville, OK 74003 | Oil & Gas Operator | Nov 2005 |
| 139 | Fox Northeastern Oil & Gas Corp | Dewey, OK 74029 | Oil & Gas Operator | Feb 2026 |
| 140 | Fox Production Co LLC | Ardmore, OK 73401-6305 | Oil & Gas Operator | Aug 2009 |
| 141 | Foxborough Energy Company, LLC | Nichols Hill, OK 73116 | Oil & Gas Operator | May 2026 |
| 142 | FP Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2008 |
| 143 | FP Operations, LLC | Dallas, TX 75219 | Oil & Gas Operator | Jan 2026 |
| 144 | Fpco Oil & Gas Co. | New Orleans, LA 70160 | Oil & Gas Operator | Jan 2026 |
| 145 | Fractal Operating LLC | Ardmore, OK 73401-6515 | Gas Operator | Sep 2020 |
| 146 | Frank T Fleet Inc | Ada, OK 74820 | Oil Operator | Jan 2026 |
| 147 | Franklin Donna | Gotebo, OK 73041 | Oil & Gas Operator | Dec 2025 |
| 148 | Franks Oil & Gas Inc | Cookson, OK 74427-0310 | Oil & Gas Operator | Oct 1998 |
| 149 | Freddie McCord Dba Fred McCord | Comanche, OK 73529 | Oil & Gas Operator | Aug 2025 |
| 150 | Freedom Operating Company LLC | Tulsa, OK 74136-6834 | Oil & Gas Operator | Feb 2026 |
| 151 | Freeman Oil Co | Midland, TX 79701 | Oil & Gas Operator | Sep 2014 |
| 152 | Freeport-McMoran Inc | New Orleans, LA 70160 | Oil & Gas Operator | Apr 1997 |
| 153 | Freestone Resources, Inc | Dallas, TX 75201 | Oil & Gas Operator | May 2026 |
| 154 | Fremen Walter E | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2026 |
| 155 | Fremont Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2004 |
| 156 | Fremont Exploration, Inc. | Oklahoma City, OK 73156 | Oil & Gas Operator | Nov 2014 |
| 157 | French & Walker Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 1993 |
| 158 | French Jr L R | Midland, TX 79702 | Oil & Gas Operator | Jan 2026 |
| 159 | French Oil Inc | Lawton, OK 73501-9454 | Oil & Gas Operator | Jan 2026 |
| 160 | French R B Exploration Co | Wichita Falls, TX 76308 | Oil Operator | Dec 1991 |
| 161 | Friedel Petroleum Corp Inc | Piedmont, OK 73078 | Gas Operator | Jan 2026 |
| 162 | Frierson & Kirchner | | Oil & Gas Operator | Mar 2007 |
| 163 | Frisco Energy, L.L.C. | Tulsa, OK 74105 | Oil & Gas Operator | Jan 2026 |
| 164 | Frontier Operating Corporation | Albany, TX 76430 | Oil & Gas Operator | May 2026 |
| 165 | Fuchs Sam Trust | Taos, NM 87571-6201 | Oil Operator | Dec 2000 |
| 166 | Fuel Exploration Inc | Denver, CO 80295 | Oil & Gas Operator | Jan 1992 |
| 167 | Fugazzi Daniel B | Enid, OK 73703 | Oil & Gas Operator | Jan 2026 |
| 168 | Fugo Services Inc | McAlester, OK 74502-1429 | Oil & Gas Operator | Feb 1999 |
| 169 | Fuksa Investments Inc | Hennessey, OK 73742 | Oil & Gas Operator | Feb 2026 |
| 170 | Fulcrum Exploration, LLC. | Flower Mound, TX 75028 | Oil & Gas Operator | Jan 2026 |
| 171 | Fuller Petroleum Inc | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 172 | Fuller Production, Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2026 |
| 173 | Fullspike Energy LLC | Boyd, TX 76023 | Oil & Gas Operator | May 2026 |
| 174 | Future Energy Partners | Bartlesville, OK 74005 | Oil & Gas Operator | Feb 2017 |
| 175 | FW Midcon I, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2026 |
| 176 | FWB Petroleum, Inc. | Euless, TX 76040 | Oil & Gas Operator | Dec 2000 |
| 177 | FX Energy Operating, LLC | Canadian, TX 79014 | Oil & Gas Operator | May 2026 |