| 10301 | Flora B Shinnick | | Oil Operator | Jan 2025 |
| 10302 | Flora Resources LLC | | Oil Operator | Aug 2025 |
| 10303 | Florabama Assoc Inc | | Oil & Gas Operator | Jan 2000 |
| 10304 | Florentine Exploration & Production, Inc. | | Oil Operator | Mar 1997 |
| 10305 | Flores & Rucks, Inc. | | Oil & Gas Operator | Jun 1997 |
| 10306 | Florida Exploration Co | Aurora, CO 80014 | Oil & Gas Operator | Sep 1989 |
| 10307 | Florida Gas Exploration Co | | Oil & Gas Operator | Feb 1985 |
| 10308 | Florida Gas Transmission Co. | | Oil Operator | Dec 2007 |
| 10309 | Florine, Inc. | Gypsum, KS 67448 | Oil Operator | Mar 2025 |
| 10310 | Flourison Oil & Gas, LLC | | Oil Operator | Jan 2025 |
| 10311 | Flournoy Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Nov 2025 |
| 10312 | Flournoy Production Co. | Alice, TX 78333 | Oil & Gas Operator | Dec 2002 |
| 10313 | Flournoy, Russell B. | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 2020 |
| 10314 | Flow Energy Inc. | Bellaire, TX 77401 | Oil & Gas Operator | Sep 1996 |
| 10315 | Flow Production Company | Midland, TX 79708 | Oil & Gas Operator | Mar 2005 |
| 10316 | Flowers Prod Com | | Oil Operator | Aug 1994 |
| 10317 | Flowers Production Co., Inc. | El Dorado, KS 67042 | Oil Operator | Jul 2009 |
| 10318 | Flowers Well Ser | | Oil Operator | Feb 1991 |
| 10319 | Flowin Gold Inc | Sapulpa, OK 74066-9735 | Oil & Gas Operator | Apr 2020 |
| 10320 | Floyd & Alene Jenner | | Oil & Gas Operator | Dec 2003 |
| 10321 | Floyd Oil Company | Houston, TX 77002 | Oil & Gas Operator | Nov 1999 |
| 10322 | Floyd Operating Company | Houston, TX 77002 | Oil & Gas Operator | Jul 2004 |
| 10323 | Floyd Ray Porter | | Oil & Gas Operator | Nov 1986 |
| 10324 | Floyd Williams | | Oil Operator | Aug 1988 |
| 10325 | Floyd, Timber Inc. | Midland, TX 79702 | Oil & Gas Operator | Nov 2025 |
| 10326 | Flud Richard | Okmulgee, OK 74447 | Oil & Gas Operator | Mar 2015 |
| 10327 | Fluharty Enterprises Inc | Bridgeport, WV 25338 | Oil & Gas Operator | Oct 2021 |
| 10328 | Fluid Disposal Services LLC | Chickasha, OK 73018-9684 | Oil Operator | Aug 2015 |
| 10329 | Fluor Oil & Gas Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2019 |
| 10330 | Flusche Brothers | Muenster, TX 76252 | Oil & Gas Operator | Nov 2025 |
| 10331 | Flusche Herbert J | Wichita Falls, TX 76309 | Oil Operator | Jun 1997 |
| 10332 | Flusche Properties, L.L.C. | Electra, TX 76360 | Oil & Gas Operator | Jan 2017 |
| 10333 | Flusche Supply, Inc. | Electra, TX 76360 | Oil & Gas Operator | Aug 1994 |
| 10334 | Flusche, Herb | Wichita Falls, TX 76309 | Oil & Gas Operator | Mar 2005 |
| 10335 | Flux Energy LLC | Spring, TX 77379 | Oil & Gas Operator | Nov 2025 |
| 10336 | Flying Diamond Oil Corp | | Oil & Gas Operator | Dec 1983 |
| 10337 | Flying J Inc | Roosevelt, UT 84066 | Oil & Gas Operator | Jul 1995 |
| 10338 | Flying J Oil & Gas Inc | North Salt Lake, UT 84054 | Oil & Gas Operator | Dec 2009 |
| 10339 | Flying M Petroleum LLC | Bristow, OK 74010 | Oil & Gas Operator | Jul 2025 |
| 10340 | Flying W Resources, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 10341 | Flynn Energy Cor | | Oil & Gas Operator | Mar 1992 |
| 10342 | Flynn Energy Corporation | Tulsa, OK 74137 | Oil & Gas Operator | Mar 1993 |
| 10343 | Flynn, Ben A. Trustee | Coleman, TX 76834 | Oil & Gas Operator | Jul 2001 |
| 10344 | FM Production | Kilgore, TX 75662 | Oil Operator | Nov 2025 |
| 10345 | FMC Corporation | Green River, WY 82935 | Oil & Gas Operator | Dec 2008 |
| 10346 | FMD Oil Co. | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2020 |
| 10347 | FMP Operating Company, LTD PTN | | Oil & Gas Operator | Mar 1990 |
| 10348 | FMR Services Inc. | | Gas Operator | Dec 2011 |
| 10349 | Fna Oil Company, LLC | Richfield, KS 67953 | Gas Operator | Jun 2025 |
| 10350 | Fne Operating LLC | | Oil Operator | Dec 2024 |
| 10351 | Fo Energy LLC | Canton, OH 44718 | Oil & Gas Operator | Dec 2024 |
| 10352 | Foag, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2022 |
| 10353 | Focus Energy, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2019 |
| 10354 | Fod Oil Company | | Oil Operator | May 1999 |
| 10355 | Foggy Bottom Farms, LLC | Bowling Green, KY 42101 | Oil Operator | Dec 2023 |
| 10356 | Fola Land Company Inc | | Gas Operator | Dec 2003 |
| 10357 | Folk Oil | | Oil Operator | Dec 2009 |
| 10358 | Follett Operating Co. | Darrouzett, TX 79024 | Oil & Gas Operator | Jun 2019 |
| 10359 | Foltz & Foltz LTD Partnership | Robertsville, OH 44670 | Oil & Gas Operator | Dec 2018 |
| 10360 | Fontainebleau Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 10361 | Fontenot Pet Land Services, Inc. | | Oil & Gas Operator | Aug 2002 |
| 10362 | Foothill Energy, LLC | Spring, TX 77393 | Oil & Gas Operator | Nov 2025 |
| 10363 | Foothills Energy LLC | Seabrook, TX 77586-3541 | Gas Operator | Feb 2013 |
| 10364 | Foothills Texas, Inc. | Houston, TX 77269 | Oil & Gas Operator | Aug 2019 |
| 10365 | Fora Company | Borger, TX 79007 | Oil & Gas Operator | Nov 2025 |
| 10366 | Forbes Harold G | | Oil Operator | Dec 1984 |
| 10367 | Forbes Producing, LLC | Corpus Chrsti, TX 78410 | Oil Operator | Sep 2025 |
| 10368 | Forbes, C. C. Company | Alice, TX 78333 | Oil & Gas Operator | Sep 2015 |
| 10369 | Forbes, Charles C. | Hebbronville, TX 78361 | Oil & Gas Operator | Jul 2011 |
| 10370 | Forbes, Patrick T. | Eureka, KS 67045 | Oil Operator | Jun 2025 |
| 10371 | Force 4 Energy Resources, Inc. | Austin, TX 78733 | Oil & Gas Operator | Aug 2005 |
| 10372 | Force 5 Energy, LLC | Houston, TX 77090 | Oil & Gas Operator | Dec 2018 |
| 10373 | Force Antrim Development Inc | | Gas Operator | Dec 1999 |
| 10374 | Forcenergy Gas Exploration Inc. | Miami, FL 33129 | Oil & Gas Operator | Aug 1996 |
| 10375 | Forcenergy Inc | Miami, FL 33129 | Oil & Gas Operator | Mar 2015 |
| 10376 | Forcenergy Onshore Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2012 |
| 10377 | Ford Chapman & Assoc | Midland, TX 79710 | Oil Operator | Sep 2000 |
| 10378 | Ford Energy Corporation | Chickasha, OK 73018 | Oil & Gas Operator | May 2025 |
| 10379 | Ford Gum & Machine Co., Inc. | Akron, NY 14001 | Gas Operator | Dec 2024 |
| 10380 | Ford Tank Truck Service | | Oil Operator | Jan 2022 |
| 10381 | Ford, Cregg | Auburn, NY 13021 | Gas Operator | Dec 2024 |
| 10382 | Ford, Don H. & Assoc. | San Antonio, TX 78217 | Oil & Gas Operator | Nov 2025 |
| 10383 | Ford, R. J. Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Nov 2025 |
| 10384 | Fordoche Operating Company, LLC | | Oil & Gas Operator | Nov 2024 |
| 10385 | Fordyce Oil & Gas | Sullivan City, TX 78595 | Oil & Gas Operator | Jul 2022 |
| 10386 | Fore Oil, LLC | Manvel, TX 77578 | Oil Operator | May 2021 |
| 10387 | Foree Oil Company | Terrell, TX 75160 | Oil & Gas Operator | Nov 2025 |
| 10388 | Foree R L | Dallas, TX 75225 | Oil & Gas Operator | Aug 2001 |
| 10389 | Foree, R. L. Trust "A" | Dallas, TX 75225 | Oil & Gas Operator | Dec 1999 |
| 10390 | Foreland Operating, LLC | Royse City, TX 75189 | Oil & Gas Operator | Oct 2021 |
| 10391 | Foreland Resources LLC | Lakewood, CO 80228 | Oil & Gas Operator | Jul 2025 |
| 10392 | Forell Energy Company | Fullerton, CA 92838 | Oil Operator | Dec 2023 |
| 10393 | Foreman Enterprises Inc | Edmond, OK 73003 | Oil & Gas Operator | Jul 2025 |
| 10394 | Foreman Joy | Guymon, OK 73942-3159 | Oil & Gas Operator | Jan 2003 |
| 10395 | Forest 1 Development Company | Denver, CO 80202-4966 | Oil & Gas Operator | Mar 2008 |
| 10396 | Forest Gray Energy | | Oil & Gas Operator | Aug 2025 |
| 10397 | Forest Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 10398 | Forest Oil Permian Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 10399 | Forestar Group Inc | | Oil Operator | Sep 2015 |
| 10400 | Forestar Oil & Gas LLC | Denver, CO 80202 | Oil & Gas Operator | Aug 2016 |