| 10101 | Flowin Gold Inc | Sapulpa, OK 74066-9735 | Oil & Gas Operator | Apr 2020 |
| 10102 | Floyd & Alene Jenner | | Oil & Gas Operator | Dec 2003 |
| 10103 | Floyd Oil Co | Houston, TX 77002 | Oil & Gas Operator | Nov 1999 |
| 10104 | Floyd Operating Company | Houston, TX 77002 | Oil & Gas Operator | Jul 2004 |
| 10105 | Floyd Ray Porter | | Oil & Gas Operator | Nov 1986 |
| 10106 | Floyd Williams | | Oil Operator | Aug 1988 |
| 10107 | Floyd, Timber Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |
| 10108 | Flud Richard | Okmulgee, OK 74447 | Oil & Gas Operator | Mar 2015 |
| 10109 | Fluharty Enterprises Inc | Bridgeport, WV 25338 | Oil & Gas Operator | Oct 2021 |
| 10110 | Fluid Disposal Services LLC | Chickasha, OK 73018-9684 | Oil Operator | Aug 2015 |
| 10111 | Fluor Oil & Gas Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2019 |
| 10112 | Flusche Brothers | Muenster, TX 76252 | Oil & Gas Operator | Jun 2026 |
| 10113 | Flusche Herbert J | Wichita Falls, TX 76309 | Oil Operator | Jun 1997 |
| 10114 | Flusche Properties, L.L.C. | Electra, TX 76360 | Oil & Gas Operator | Jan 2017 |
| 10115 | Flusche Supply, Inc. | Electra, TX 76360 | Oil & Gas Operator | Aug 1994 |
| 10116 | Flusche, Herb | Wichita Falls, TX 76309 | Oil & Gas Operator | Mar 2005 |
| 10117 | Flux Energy LLC | Spring, TX 77379 | Oil & Gas Operator | Jun 2026 |
| 10118 | Flying Diamond Oil Corp | | Oil & Gas Operator | Dec 1983 |
| 10119 | Flying J Inc | Roosevelt, UT 84066 | Oil & Gas Operator | Jul 1995 |
| 10120 | Flying J Oil & Gas Inc | North Salt Lake, UT 84054 | Oil & Gas Operator | Dec 2009 |
| 10121 | Flying M Petroleum LLC | Bristow, OK 74010 | Oil & Gas Operator | Mar 2026 |
| 10122 | Flying W Resources, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 10123 | Flynn Energy Cor | | Oil & Gas Operator | Mar 1992 |
| 10124 | Flynn Energy Corporation | Tulsa, OK 74137 | Oil & Gas Operator | Mar 1993 |
| 10125 | Flynn, Ben A. Trustee | Coleman, TX 76834 | Oil & Gas Operator | Jul 2001 |
| 10126 | FM Production | Kilgore, TX 75662 | Oil Operator | Jun 2026 |
| 10127 | FMC Corporation | Green River, WY 82935 | Oil & Gas Operator | Dec 2008 |
| 10128 | FMD Oil Co. | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2020 |
| 10129 | FMP Operating Company, LTD PTN | | Oil & Gas Operator | Mar 1990 |
| 10130 | Fna Oil Company, LLC | Richfield, KS 67953 | Gas Operator | Feb 2026 |
| 10131 | Fne Operating LLC | | Oil Operator | Dec 2024 |
| 10132 | Fo Energy LLC | Canton, OH 44718 | Oil & Gas Operator | Dec 2025 |
| 10133 | Foag, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2022 |
| 10134 | Focus Energy, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2019 |
| 10135 | Fod Oil Company | | Oil Operator | May 1999 |
| 10136 | Foggy Bottom Farms, LLC | Bowling Green, KY 42101 | Oil Operator | Dec 2023 |
| 10137 | Fola Land Company Inc | | Gas Operator | Dec 2003 |
| 10138 | Folk Oil | | Oil Operator | Dec 2009 |
| 10139 | Follett Operating Co. | Darrouzett, TX 79024 | Oil & Gas Operator | Jun 2019 |
| 10140 | Foltz & Foltz LTD Partnership | Robertsville, OH 44670 | Oil & Gas Operator | Dec 2018 |
| 10141 | Fontainebleau Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 10142 | Fontenot Pet Land Services, Inc. | | Oil & Gas Operator | Aug 2002 |
| 10143 | Foothill Energy, LLC | Spring, TX 77393 | Oil & Gas Operator | Jun 2026 |
| 10144 | Foothills Energy LLC | Seabrook, TX 77586-3541 | Gas Operator | Feb 2013 |
| 10145 | Foothills Texas, Inc. | Houston, TX 77269 | Oil & Gas Operator | Aug 2019 |
| 10146 | Fora Company | Borger, TX 79007 | Oil & Gas Operator | Dec 2025 |
| 10147 | Forbes Harold G | | Oil Operator | Dec 1984 |
| 10148 | Forbes Producing, LLC | Corpus Christ, TX 78410 | Oil Operator | Sep 2025 |
| 10149 | Forbes, C. C. Company | Alice, TX 78333 | Oil & Gas Operator | Sep 2015 |
| 10150 | Forbes, Charles C. | Hebbronville, TX 78361 | Oil & Gas Operator | Jul 2011 |
| 10151 | Forbes, Patrick T. | Eureka, KS 67045 | Oil Operator | Dec 2025 |
| 10152 | Force 4 Energy Resources, Inc. | Austin, TX 78733 | Oil & Gas Operator | Aug 2005 |
| 10153 | Force 5 Energy, LLC | Houston, TX 77090 | Oil & Gas Operator | Dec 2018 |
| 10154 | Force Antrim Development Inc | | Gas Operator | Dec 1999 |
| 10155 | Forcenergy Gas Exploration Inc. | Miami, FL 33129 | Oil & Gas Operator | Aug 1996 |
| 10156 | Forcenergy Inc | Miami, FL 33129 | Oil & Gas Operator | Mar 2015 |
| 10157 | Forcenergy Onshore Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2012 |
| 10158 | Ford Chapman & Assoc | Midland, TX 79710 | Oil Operator | Sep 2000 |
| 10159 | Ford Energy Corporation | Chickasha, OK 73018 | Oil & Gas Operator | Mar 2026 |
| 10160 | Ford Gum & Machine Co., Inc. | Akron, NY 14001 | Gas Operator | Dec 2024 |
| 10161 | Ford Tank Truck Service | | Oil Operator | Jan 2022 |
| 10162 | Ford, Cregg | Auburn, NY 13021 | Gas Operator | Dec 2024 |
| 10163 | Ford, Don H. & Assoc. | San Antonio, TX 78217 | Oil & Gas Operator | Jun 2026 |
| 10164 | Ford, R. J. Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jun 2026 |
| 10165 | Fordoche Operating Company, LLC | | Oil & Gas Operator | Nov 2024 |
| 10166 | Fordyce Oil & Gas | Sullivan City, TX 78595 | Oil & Gas Operator | Jul 2022 |
| 10167 | Fore Oil, LLC | Manvel, TX 77578 | Oil Operator | May 2021 |
| 10168 | Foree Oil Company | Terrell, TX 75160 | Oil & Gas Operator | Jun 2026 |
| 10169 | Foree R L | Dallas, TX 75225 | Oil & Gas Operator | Aug 2001 |
| 10170 | Foree, R. L. Trust "A" | Dallas, TX 75225 | Oil & Gas Operator | Dec 1999 |
| 10171 | Foreland Operating, LLC | Royse City, TX 75189 | Oil & Gas Operator | Oct 2021 |
| 10172 | Foreland Resources LLC | Lakewood, CO 80228 | Oil & Gas Operator | Oct 2025 |
| 10173 | Forell Energy Company | Fullerton, CA 92838 | Oil Operator | Dec 2023 |
| 10174 | Foreman Enterprises Inc | Edmond, OK 73003 | Oil & Gas Operator | Oct 2025 |
| 10175 | Foreman Joy | Guymon, OK 73942-3159 | Oil & Gas Operator | Jan 2003 |
| 10176 | Forest 1 Development Company | Denver, CO 80202-4966 | Oil & Gas Operator | Mar 2008 |
| 10177 | Forest Gray Energy | | Oil & Gas Operator | Dec 2025 |
| 10178 | Forest Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 10179 | Forest Oil Permian Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 10180 | Forestar Group Inc | | Oil Operator | Sep 2015 |
| 10181 | Forestar Oil & Gas LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2016 |
| 10182 | Forestar Petroleum Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2017 |
| 10183 | Forexco, Inc. | Greensboro, NC 27438 | Oil & Gas Operator | Dec 2024 |
| 10184 | Forge Energy Operating, LLC | San Antonio, TX 78209 | Oil & Gas Operator | Jun 2023 |
| 10185 | Forge Energy, LLC | San Antonio, TX 78249 | Oil & Gas Operator | Apr 2019 |
| 10186 | Fork Run Oil & Gas LLC | Sheffield, PA 16347-0012 | Oil & Gas Operator | Dec 2025 |
| 10187 | Forman Exploration Company | | Oil & Gas Operator | Oct 1988 |
| 10188 | Forman Petroleum Corporation | | Oil & Gas Operator | Aug 2001 |
| 10189 | Formation Mechan | | Oil Operator | Dec 1986 |
| 10190 | Formation Recovery LLC | Weatherford, TX 76087 | Oil & Gas Operator | Jun 2026 |
| 10191 | Formation Resources LLC | Fort Worth, TX 76185 | Oil & Gas Operator | Jun 2026 |
| 10192 | Formax Oil Company | | Oil & Gas Operator | Dec 1993 |
| 10193 | Formentera Operations LLC | Austin, TX 78701 | Oil & Gas Operator | Jun 2026 |
| 10194 | Formentera Opr LLC | Austin, TX 78701-4889 | Gas Operator | Mar 2026 |
| 10195 | Formholtz, Allen | Lakeview, NY 14085 | Gas Operator | Dec 2024 |
| 10196 | Formor Operating Inc | Tyler, TX 75701 | Oil & Gas Operator | May 2013 |
| 10197 | Fornash Oil LLC | Waynesburg, OH 44688 | Oil & Gas Operator | Dec 2025 |
| 10198 | Forney & McCombs | Houston, TX 77056 | Oil & Gas Operator | Jan 1998 |
| 10199 | Forney Oil Corporation | Houston, TX 77056 | Oil & Gas Operator | Jan 1998 |
| 10200 | Forrest A Ward | Okmulgee, OK 74447-8891 | Oil & Gas Operator | Mar 2026 |