| 10101 | Flamingo Oil & Gas | Luling, TX 78648 | Oil & Gas Operator | May 2026 |
| 10102 | Flamingo Operating, LLC | Houston, TX 77084 | Oil & Gas Operator | May 2026 |
| 10103 | Flanagan Energy Company LLC | Walters, OK 73572 | Oil Operator | Feb 2025 |
| 10104 | Flanigan Bros | Edinboro, PA 16412-1443 | Oil & Gas Operator | Dec 2025 |
| 10105 | Flare Inc | | Oil & Gas Operator | Jul 1995 |
| 10106 | Flare Oil Inc | Rockport, TX 78382 | Oil & Gas Operator | May 2026 |
| 10107 | Flare Resources Inc. | Houston, TX 77002 | Gas Operator | Jun 2006 |
| 10108 | Flash Gas & Oil Northeast, Inc | | Oil & Gas Operator | May 2007 |
| 10109 | Flash Gas & Oil Southwest, Inc. | Mandeville, LA 70470 | Oil & Gas Operator | Oct 2019 |
| 10110 | Flash Gas & Oil, Inc. | | Oil & Gas Operator | May 1991 |
| 10111 | Flat Creek Operating Co. | Rockwall, TX 75087 | Oil & Gas Operator | Jun 2004 |
| 10112 | Flat Creek Resources, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2026 |
| 10113 | Flat Top Operating, LLC | Midland, TX 79707 | Oil & Gas Operator | May 2026 |
| 10114 | Flatiron Exploration LLC | Olean, NY 14760 | Oil & Gas Operator | Dec 2024 |
| 10115 | Flatirons Development LLC | Westminster, CO 80020-2771 | Gas Operator | Dec 2015 |
| 10116 | Flatirons Resources LLC | Westminster, CO 80021 | Oil & Gas Operator | Dec 2022 |
| 10117 | Flatland Energy, LLC | Gardner, KS 66030 | Oil Operator | Dec 2025 |
| 10118 | Flatland Oil Com | | Oil Operator | Sep 1985 |
| 10119 | Flatlander Energy LLC | Blackwell, OK 74631 | Oil & Gas Operator | Feb 2026 |
| 10120 | Flatlander Petroleum LLC | | Oil & Gas Operator | Dec 2025 |
| 10121 | Flatonia Energy, LLC | Dallas, TX 75201 | Oil & Gas Operator | May 2026 |
| 10122 | Flatrock Energy Co | | Oil & Gas Operator | May 2017 |
| 10123 | Flatt Energy Inc | | Oil & Gas Operator | Sep 2019 |
| 10124 | Flatwater Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 10125 | Flavian Oil Company | Dallas, TX 75206 | Gas Operator | Jan 1997 |
| 10126 | Fleeharty Willie W | | Oil & Gas Operator | Jun 1991 |
| 10127 | Fleeman Teresa R | Lower Salem, OH 45745 | Oil & Gas Operator | Dec 2024 |
| 10128 | Fleet Frank T | Ada, OK 74821-0729 | Oil & Gas Operator | Feb 2003 |
| 10129 | Fleet Oil Co. | | Oil & Gas Operator | Dec 1991 |
| 10130 | Fleetwood K Phil Oil Properties | Marlow, OK 73055 | Oil & Gas Operator | Jan 2026 |
| 10131 | Fletcher Oil LLC | Ratliff City, OK 73481 | Oil & Gas Operator | Jan 2026 |
| 10132 | Fletcher Operating Co. | | Oil & Gas Operator | May 1989 |
| 10133 | Fletcher Operating, LLC | Fairhope, AL 36532 | Oil & Gas Operator | May 2026 |
| 10134 | Fletcher Petroleum Corp. | Fairhope, AL 36533 | Oil & Gas Operator | Feb 2026 |
| 10135 | Fletcher, M. D. | Pampa, TX 79065 | Oil & Gas Operator | Dec 2007 |
| 10136 | Fleur David Corp | | Gas Operator | Jul 2001 |
| 10137 | Flex Energy, L.L.C. | | Oil & Gas Operator | Feb 2010 |
| 10138 | Flicka Energy Inc | Crescent, OK 73028 | Oil & Gas Operator | Mar 2022 |
| 10139 | Flint Douglas J | Mounds, OK 74047-5415 | Oil & Gas Operator | Sep 2015 |
| 10140 | Flint Equipment LLC | Cushing, OK 74023 | Oil Operator | Feb 2026 |
| 10141 | Flint Hills Production Co., Inc. | Gas City, KS 66742 | Oil Operator | Nov 2009 |
| 10142 | Flint Interests, LLC | Houston, TX 77057 | Oil & Gas Operator | May 2026 |
| 10143 | Flint J A & Associates | Holdenville, OK 74848 | Oil & Gas Operator | Sep 2009 |
| 10144 | Flint Oak Energy, LLC | Montgomery, TX 77356 | Oil & Gas Operator | May 2026 |
| 10145 | Flint Oil & Gas | San Angelo, TX 76904 | Oil & Gas Operator | Aug 2003 |
| 10146 | Flint Pipeline Company | Kilgore, TX 75663 | Oil & Gas Operator | May 2026 |
| 10147 | Flint Rock Resources MGMNT, Inc. | Austin, TX 78734 | Oil & Gas Operator | May 2026 |
| 10148 | Flint, Billy Individual | Merkel, TX 79536 | Oil & Gas Operator | May 2026 |
| 10149 | Flintlock Exploration, LLC | Frisco, TX 75035 | Oil & Gas Operator | May 2026 |
| 10150 | Flintstone Energy, LLC | El Dorado, KS 67042 | Oil Operator | Jun 2020 |
| 10151 | Flo Petro, LLC. | Tyler, TX 75713 | Oil Operator | May 2026 |
| 10152 | Floex Energy LLC | Tyler, TX 75701 | Oil Operator | May 2026 |
| 10153 | Flood Thirty Seven LLC | Dewey, OK 74029 | Oil Operator | Feb 2026 |
| 10154 | Flora B Shinnick | | Oil Operator | Jan 2025 |
| 10155 | Flora Resources, LLC | | Oil Operator | Oct 2025 |
| 10156 | Florabama Assoc Inc | | Oil & Gas Operator | Jan 2000 |
| 10157 | Florentine Exploration & Production, Inc. | | Oil Operator | Mar 1997 |
| 10158 | Flores & Rucks, Inc. | | Oil & Gas Operator | Jun 1997 |
| 10159 | Florida Exploration Co | Aurora, CO 80014 | Oil & Gas Operator | Sep 1989 |
| 10160 | Florida Gas Exploration Co | | Oil & Gas Operator | Feb 1985 |
| 10161 | Florida Gas Transmission Co. | | Oil Operator | Dec 2007 |
| 10162 | Florine, Inc. | Gypsum, KS 67448 | Oil Operator | Sep 2025 |
| 10163 | Flourison Oil & Gas, LLC | | Oil Operator | Jan 2025 |
| 10164 | Flournoy Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2026 |
| 10165 | Flournoy Production Co. | Alice, TX 78333 | Oil & Gas Operator | Dec 2002 |
| 10166 | Flournoy, Russell B. | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 2020 |
| 10167 | Flow Energy Inc. | Bellaire, TX 77401 | Oil & Gas Operator | Sep 1996 |
| 10168 | Flow Production Company | Midland, TX 79708 | Oil & Gas Operator | Mar 2005 |
| 10169 | Flowers Prod Com | | Oil Operator | Aug 1994 |
| 10170 | Flowers Production Co., Inc. | El Dorado, KS 67042 | Oil Operator | Jul 2009 |
| 10171 | Flowers Well Ser | | Oil Operator | Feb 1991 |
| 10172 | Flowin Gold Inc | Sapulpa, OK 74066-9735 | Oil & Gas Operator | Apr 2020 |
| 10173 | Floyd & Alene Jenner | | Oil & Gas Operator | Dec 2003 |
| 10174 | Floyd Oil Company | Houston, TX 77002 | Oil & Gas Operator | Nov 1999 |
| 10175 | Floyd Operating Company | Houston, TX 77002 | Oil & Gas Operator | Jul 2004 |
| 10176 | Floyd Ray Porter | | Oil & Gas Operator | Nov 1986 |
| 10177 | Floyd Williams | | Oil Operator | Aug 1988 |
| 10178 | Floyd, Timber Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2026 |
| 10179 | Flud Richard | Okmulgee, OK 74447 | Oil & Gas Operator | Mar 2015 |
| 10180 | Fluharty Enterprises Inc | Bridgeport, WV 25338 | Oil & Gas Operator | Oct 2021 |
| 10181 | Fluid Disposal Services LLC | Chickasha, OK 73018-9684 | Oil Operator | Aug 2015 |
| 10182 | Fluor Oil & Gas Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2019 |
| 10183 | Flusche Brothers | Muenster, TX 76252 | Oil & Gas Operator | May 2026 |
| 10184 | Flusche Herbert J | Wichita Falls, TX 76309 | Oil Operator | Jun 1997 |
| 10185 | Flusche Properties, L.L.C. | Electra, TX 76360 | Oil & Gas Operator | Jan 2017 |
| 10186 | Flusche Supply, Inc. | Electra, TX 76360 | Oil & Gas Operator | Aug 1994 |
| 10187 | Flusche, Herb | Wichita Falls, TX 76309 | Oil & Gas Operator | Mar 2005 |
| 10188 | Flux Energy LLC | Spring, TX 77379 | Oil & Gas Operator | May 2026 |
| 10189 | Flying Diamond Oil Corp | | Oil & Gas Operator | Dec 1983 |
| 10190 | Flying J Inc | Roosevelt, UT 84066 | Oil & Gas Operator | Jul 1995 |
| 10191 | Flying J Oil & Gas Inc | North Salt Lake, UT 84054 | Oil & Gas Operator | Dec 2009 |
| 10192 | Flying M Petroleum LLC | Bristow, OK 74010 | Oil & Gas Operator | Nov 2025 |
| 10193 | Flying W Resources, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 10194 | Flynn Energy Cor | | Oil & Gas Operator | Mar 1992 |
| 10195 | Flynn Energy Corporation | Tulsa, OK 74137 | Oil & Gas Operator | Mar 1993 |
| 10196 | Flynn, Ben A. Trustee | Coleman, TX 76834 | Oil & Gas Operator | Jul 2001 |
| 10197 | FM Production | Kilgore, TX 75662 | Oil Operator | May 2026 |
| 10198 | FMC Corporation | Green River, WY 82935 | Oil & Gas Operator | Dec 2008 |
| 10199 | FMD Oil Co. | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2020 |
| 10200 | FMP Operating Company, LTD PTN | | Oil & Gas Operator | Mar 1990 |