| 10301 | Flatland Oil Com | | Oil Operator | Sep 1985 |
| 10302 | Flatlander Energy LLC | Blackwell, OK 74631 | Oil & Gas Operator | Mar 2025 |
| 10303 | Flatlander Petroleum LLC | | Oil & Gas Operator | Mar 2025 |
| 10304 | Flatonia Energy, LLC | Dallas, TX 75201 | Oil & Gas Operator | Jul 2025 |
| 10305 | Flatrock Energy Co | | Oil & Gas Operator | May 2017 |
| 10306 | Flatt Energy Inc | | Oil & Gas Operator | Sep 2019 |
| 10307 | Flatwater Energy, LLC | | Oil & Gas Operator | Dec 2024 |
| 10308 | Flavian Oil Company | Dallas, TX 75206 | Gas Operator | Jan 1997 |
| 10309 | Fleeharty Willie W | | Oil & Gas Operator | Jun 1991 |
| 10310 | Fleeman Teresa R | Lower Salem, OH 45745 | Oil & Gas Operator | Dec 2024 |
| 10311 | Fleet Frank T | Ada, OK 74821-0729 | Oil & Gas Operator | Feb 2003 |
| 10312 | Fleet Oil Co. | | Oil & Gas Operator | Dec 1991 |
| 10313 | Fleetwood K Phil Oil Properties | Marlow, OK 73055 | Oil & Gas Operator | Apr 2025 |
| 10314 | Fletcher Oil LLC | Ratliff City, OK 73481 | Oil & Gas Operator | Apr 2025 |
| 10315 | Fletcher Operating Co. | | Oil & Gas Operator | May 1989 |
| 10316 | Fletcher Operating, LLC | Fairhope, AL 36532 | Oil & Gas Operator | Jul 2025 |
| 10317 | Fletcher Petroleum Corp. | Fairhope, AL 36533 | Oil & Gas Operator | May 2025 |
| 10318 | Fletcher, M. D. | Pampa, TX 79065 | Oil & Gas Operator | Dec 2007 |
| 10319 | Fleur David Corp | | Gas Operator | Jul 2001 |
| 10320 | Flex Energy, L.L.C. | | Oil & Gas Operator | Feb 2010 |
| 10321 | Flicka Energy Inc | Crescent, OK 73028 | Oil & Gas Operator | Mar 2022 |
| 10322 | Flint Douglas J | Mounds, OK 74047-5415 | Oil & Gas Operator | Sep 2015 |
| 10323 | Flint Hills Production Co., Inc. | Gas City, KS 66742 | Oil Operator | Nov 2009 |
| 10324 | Flint Interests, LLC | Houston, TX 77057 | Oil & Gas Operator | Jul 2025 |
| 10325 | Flint J A & Associates | Holdenville, OK 74848 | Oil & Gas Operator | Sep 2009 |
| 10326 | Flint Oak Energy, LLC | Montgomery, TX 77356 | Oil & Gas Operator | Jul 2025 |
| 10327 | Flint Oil & Gas | San Angelo, TX 76904 | Oil & Gas Operator | Aug 2003 |
| 10328 | Flint Pipeline Company | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2025 |
| 10329 | Flint Rock Resources MGMNT, Inc. | Austin, TX 78734 | Oil & Gas Operator | Jul 2025 |
| 10330 | Flint, Billy Individual | Merkel, TX 79536 | Oil & Gas Operator | Jul 2025 |
| 10331 | Flintstone Energy, LLC | El Dorado, KS 67042 | Oil Operator | Jun 2020 |
| 10332 | Flo A & P Inc. | Seminole, TX 79360 | Oil & Gas Operator | Feb 2024 |
| 10333 | Flo Petro, LLC. | Austin, TX 78746 | Oil Operator | Jul 2025 |
| 10334 | Floex Energy LLC | Tyler, TX 75701 | Oil Operator | Jul 2025 |
| 10335 | Flood Thirty Seven LLC | Dewey, OK 74029 | Oil Operator | Apr 2025 |
| 10336 | Flora B Shinnick | | Oil Operator | Jan 2025 |
| 10337 | Flora Resources | | Oil Operator | Oct 2024 |
| 10338 | Florabama Assoc Inc | | Oil & Gas Operator | Jan 2000 |
| 10339 | Florentine Exploration & Production, Inc. | | Oil Operator | Mar 1997 |
| 10340 | Flores & Rucks, Inc. | | Oil & Gas Operator | Jun 1997 |
| 10341 | Florida Exploration Co | Aurora, CO 80014 | Oil & Gas Operator | Sep 1989 |
| 10342 | Florida Gas Exploration Co | | Oil & Gas Operator | Feb 1985 |
| 10343 | Florida Gas Transmission Co. | | Oil Operator | Dec 2007 |
| 10344 | Florine, Inc. | Gypsum, KS 67448 | Oil Operator | Mar 2025 |
| 10345 | Flourison Oil & Gas, LLC | | Oil Operator | Jan 2025 |
| 10346 | Flournoy Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 10347 | Flournoy Production Co. | Alice, TX 78333 | Oil & Gas Operator | Dec 2002 |
| 10348 | Flournoy, Russell B. | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 2020 |
| 10349 | Flow Energy Inc. | Bellaire, TX 77401 | Oil & Gas Operator | Sep 1996 |
| 10350 | Flow Production Company | Midland, TX 79708 | Oil & Gas Operator | Mar 2005 |
| 10351 | Flowers Prod Com | | Oil Operator | Aug 1994 |
| 10352 | Flowers Production Co., Inc. | El Dorado, KS 67042 | Oil Operator | Jul 2009 |
| 10353 | Flowers Well Ser | | Oil Operator | Feb 1991 |
| 10354 | Flowin Gold Inc | Sapulpa, OK 74066-9735 | Oil & Gas Operator | Apr 2020 |
| 10355 | Floyd & Alene Jenner | | Oil & Gas Operator | Dec 2003 |
| 10356 | Floyd Oil Co | Houston, TX 77002 | Oil & Gas Operator | Nov 1999 |
| 10357 | Floyd Operating Company | Houston, TX 77002 | Oil & Gas Operator | Jul 2004 |
| 10358 | Floyd Ray Porter | | Oil & Gas Operator | Nov 1986 |
| 10359 | Floyd Williams | | Oil Operator | Aug 1988 |
| 10360 | Floyd, Timber Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 10361 | Flud Richard | Okmulgee, OK 74447 | Oil & Gas Operator | Mar 2015 |
| 10362 | Fluharty Enterprises Inc | Bridgeport, WV 25338 | Oil & Gas Operator | Oct 2021 |
| 10363 | Fluid Disposal Services LLC | Chickasha, OK 73018-9684 | Oil Operator | Aug 2015 |
| 10364 | Fluor Oil & Gas Corporation | Midland, TX 79701 | Oil & Gas Operator | Aug 2019 |
| 10365 | Flusche Brothers | Muenster, TX 76252 | Oil & Gas Operator | Jul 2025 |
| 10366 | Flusche Herbert J | Wichita Falls, TX 76309 | Oil Operator | Jun 1997 |
| 10367 | Flusche Properties, L.L.C. | Electra, TX 76360 | Oil & Gas Operator | Jan 2017 |
| 10368 | Flusche Supply, Inc. | Electra, TX 76360 | Oil & Gas Operator | Aug 1994 |
| 10369 | Flusche, Herb | Wichita Falls, TX 76309 | Oil & Gas Operator | Mar 2005 |
| 10370 | Flux Energy LLC | Spring, TX 77379 | Oil & Gas Operator | Jul 2025 |
| 10371 | Flying Diamond Oil Corp | | Oil & Gas Operator | Dec 1983 |
| 10372 | Flying J Inc | Roosevelt, UT 84066 | Oil & Gas Operator | Jul 1995 |
| 10373 | Flying J Oil & Gas Inc | North Salt Lake, UT 84054 | Oil & Gas Operator | Dec 2009 |
| 10374 | Flying M Petroleum LLC | Bristow, OK 74010 | Oil & Gas Operator | May 2025 |
| 10375 | Flying W Resources, LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2025 |
| 10376 | Flynn Energy Cor | | Oil & Gas Operator | Mar 1992 |
| 10377 | Flynn Energy Corporation | Tulsa, OK 74137 | Oil & Gas Operator | Mar 1993 |
| 10378 | Flynn, Ben A. Trustee | Coleman, TX 76834 | Oil & Gas Operator | Jul 2001 |
| 10379 | FMC Corporation | Green River, WY 82935 | Oil & Gas Operator | Dec 2008 |
| 10380 | FMD Oil Co. | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2020 |
| 10381 | FMP Operating Co., LTD. PTN. | | Oil & Gas Operator | Mar 1990 |
| 10382 | FMR Services Inc. | | Gas Operator | Dec 2011 |
| 10383 | Fna Oil Company, LLC | Richfield, KS 67953 | Gas Operator | Mar 2025 |
| 10384 | Fne Operating LLC | | Oil Operator | Dec 2024 |
| 10385 | Fo Energy LLC | Canton, OH 44718 | Oil & Gas Operator | Dec 2024 |
| 10386 | Foag, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Jun 2022 |
| 10387 | Focus Energy, Inc. | Oklahoma City, OK 73154 | Oil & Gas Operator | Nov 2019 |
| 10388 | Fod Oil Company | | Oil Operator | May 1999 |
| 10389 | Foggy Bottom Farms, LLC | Bowling Green, KY 42101 | Oil Operator | Dec 2023 |
| 10390 | Fola Land Company Inc | | Gas Operator | Dec 2003 |
| 10391 | Folk Oil | | Oil Operator | Dec 2009 |
| 10392 | Follett Operating Co. | Darrouzett, TX 79024 | Oil & Gas Operator | Jun 2019 |
| 10393 | Foltz & Foltz LTD Partnership | Robertsville, OH 44670 | Oil & Gas Operator | Dec 2018 |
| 10394 | Fontainebleau Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 10395 | Fontenot Pet Land Services, Inc. | | Oil & Gas Operator | Aug 2002 |
| 10396 | Foothill Energy, LLC | Spring, TX 77393 | Oil & Gas Operator | Jul 2025 |
| 10397 | Foothills Energy LLC | Seabrook, TX 77586-3541 | Gas Operator | Feb 2013 |
| 10398 | Foothills Texas, Inc. | Houston, TX 77269 | Oil & Gas Operator | Aug 2019 |
| 10399 | Fora Company | Borger, TX 79007 | Oil & Gas Operator | Jul 2025 |
| 10400 | Forbes Harold G | | Oil Operator | Dec 1984 |