| 1 | F & J Petroleum Company | Milano, TX 76556 | Oil Operator | Apr 2026 |
| 2 | F & M Oil & Gas Co | Midland, TX 79702 | Oil & Gas Operator | Feb 2000 |
| 3 | F & M Oil Company Inc | Pettus, TX 78146 | Oil & Gas Operator | Apr 2026 |
| 4 | F & R Oil Co. | Dallas, TX 75205 | Oil & Gas Operator | May 2005 |
| 5 | F & S Petroleum, L.L.C. | Lebanon, MO 65536 | Oil & Gas Operator | Apr 2026 |
| 6 | F B Operating, Inc. | Montague, TX 76251 | Oil & Gas Operator | Aug 2003 |
| 7 | F O & G LLC | Pawhuska, OK 74056-5075 | Oil Operator | Apr 2022 |
| 8 | F Y B Investments, Inc. | Midland, TX 79711 | Oil & Gas Operator | Sep 1995 |
| 9 | F&H Operating Company LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2026 |
| 10 | F-B Oil, LP | Decatur, TX 76234 | Oil Operator | Aug 2015 |
| 11 | F-W Oil Interests, Inc. | Houston, TX 77024 | Oil & Gas Operator | Dec 2006 |
| 12 | F. B. R. Production Company | Pampa, TX 79066 | Oil & Gas Operator | May 2000 |
| 13 | F. H. B. Company | Holliday, TX 76366 | Oil & Gas Operator | Apr 2026 |
| 14 | F.I.G. Energy, LLC | Livingston, TX 77399 | Oil & Gas Operator | Apr 2026 |
| 15 | F.M.C. Operating, Inc. | Austin, TX 78750 | Oil & Gas Operator | Oct 1996 |
| 16 | Fabco | Big Lake, TX 76932 | Oil & Gas Operator | Apr 2026 |
| 17 | Fagadau Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2006 |
| 18 | Fair Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 2000 |
| 19 | Fair Oil, LC | Tyler, TX 75710 | Oil & Gas Operator | Oct 2001 |
| 20 | Fair Oil, LTD. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2026 |
| 21 | Fair Operating, Inc. | Boerne, TX 78015 | Oil & Gas Operator | Apr 2026 |
| 22 | Fairfield Energy Corp. | Dallas, TX 75205 | Oil & Gas Operator | Apr 2026 |
| 23 | Fairington, Inc. | Sanger, TX 76266 | Oil & Gas Operator | Apr 2026 |
| 24 | Fairway Links Energy, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Aug 2016 |
| 25 | Fairway Operating, Inc. | Lake Jackson, TX 77566 | Oil & Gas Operator | Apr 2026 |
| 26 | Fairway Resources Op III, LLC | Southlake, TX 76092 | Oil & Gas Operator | Apr 2026 |
| 27 | Fairway Resources Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Aug 2022 |
| 28 | Fairways Exploration & Production, LLC | Houston, TX 77057 | Oil & Gas Operator | Feb 2026 |
| 29 | Fairways Offshore Expl Inc | Houston, TX 77040 | Oil & Gas Operator | Mar 2016 |
| 30 | Fairways Spec. Sales & Serv Inc | Houston, TX 77040 | Oil & Gas Operator | Sep 2004 |
| 31 | Faith Energy Exploration, Inc. | Ennis, TX 75119 | Oil & Gas Operator | Mar 2019 |
| 32 | Falco S & D, Inc. | Shreveport, LA 71107 | Oil & Gas Operator | Apr 1998 |
| 33 | Falcon Bay Energy, L.L.C | Midland, TX 79701 | Gas Operator | Jan 2005 |
| 34 | Falcon Bay Operations, LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2007 |
| 35 | Falcon Creek Resources, Inc. | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2001 |
| 36 | Falcon Flight, Inc. | Sherman, TX 75090 | Oil & Gas Operator | Apr 1995 |
| 37 | Falcon Gas Storage Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Feb 2007 |
| 38 | Falcon Minerals, LTD. | Houston, TX 77057 | Oil & Gas Operator | May 2010 |
| 39 | Falcon Oil & Gas Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2022 |
| 40 | Falcon Production Co. | Floresville, TX 78114 | Oil & Gas Operator | Apr 2026 |
| 41 | Falcon Production LLC | Austin, TX 78715 | Oil & Gas Operator | Apr 2026 |
| 42 | Falcon Resources, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2021 |
| 43 | Falcon Seaboard Oil & Gas LP | Farmington, NM 87499 | Gas Operator | May 1998 |
| 44 | Falls Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2026 |
| 45 | Falls Production Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2026 |
| 46 | Fambrough Oil & Gas, LLC | San Angelo, TX 76905 | Oil & Gas Operator | Apr 2026 |
| 47 | Fambrough, Tim D. | San Angelo, TX 76905 | Oil & Gas Operator | Nov 2016 |
| 48 | Famcor Oil, Inc. | Scottsdale, AZ 85260 | Oil & Gas Operator | Sep 2020 |
| 49 | Family Trust B, The | San Angelo, TX 76904 | Oil & Gas Operator | May 2019 |
| 50 | Fanion Production Co. | San Antonio, TX 78212 | Oil & Gas Operator | Oct 1997 |
| 51 | Faoc Operating LLC | Houston, TX 77057 | Oil Operator | Jun 2018 |
| 52 | Far West Development, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Apr 2026 |
| 53 | Fargo Exploration Co. | Abilene, TX 79601 | Oil & Gas Operator | Dec 1995 |
| 54 | Fargo Oil & Gas, LLC | Corpus Chrsti, TX 78415 | Oil & Gas Operator | Apr 2026 |
| 55 | Farmer Operating, LLC | Olney, TX 76374 | Oil & Gas Operator | Dec 2019 |
| 56 | Farmer, Hayden | Olney, TX 76374 | Oil & Gas Operator | Feb 1997 |
| 57 | Farmer, Lewis & Hayden | Olney, TX 76374 | Oil & Gas Operator | Oct 2008 |
| 58 | Farmers Of Tulsa Energy Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Sep 1997 |
| 59 | Farrell Oil Company | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2026 |
| 60 | Farrex, Inc. | Vernon, TX 76384 | Oil & Gas Operator | Oct 2008 |
| 61 | Farrington, Walter L., Jr. | Tyler, TX 75701 | Oil & Gas Operator | Feb 2002 |
| 62 | Faseler, Herb | Hondo, TX 78861 | Oil Operator | Apr 2026 |
| 63 | Fasken Oil And Ranch, LTD. | Midland, TX 79707 | Oil & Gas Operator | Apr 2026 |
| 64 | Fasken, Barbara | Midland, TX 79701 | Oil & Gas Operator | Dec 1995 |
| 65 | Faulconer Energy, LLC | Tyler, TX 75711 | Oil & Gas Operator | Apr 2026 |
| 66 | Faulconer, Vernon E., Inc. | Tyler, TX 75711 | Oil & Gas Operator | Feb 2026 |
| 67 | FDL Operating, LLC | Judson, TX 75660 | Oil & Gas Operator | Apr 2026 |
| 68 | Feagan Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2026 |
| 69 | Fed Operating LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 70 | Federal Energy Development Co. | Dallas, TX 75205 | Oil & Gas Operator | Mar 2011 |
| 71 | Federal Oil, Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Apr 2026 |
| 72 | Federer, H. C. | Amarillo, TX 79101 | Oil & Gas Operator | Dec 1993 |
| 73 | Felderhoff Production Company | Muenster, TX 76252 | Oil & Gas Operator | Apr 2026 |
| 74 | Felix Energy Holdings II, LLC | Tulsa, OK 74172 | Oil & Gas Operator | Apr 2020 |
| 75 | Felty Drilling Co. Inc | Burkburnett, TX 76354 | Oil & Gas Operator | Apr 2026 |
| 76 | Felty Production, Inc. | Burkburnett, TX 76354 | Oil Operator | Apr 2026 |
| 77 | Felty, F. T. Operating Company | Burkburnett, TX 76354 | Oil & Gas Operator | Jul 2018 |
| 78 | Fender Expl & Prod Co., L.L.C. | Tyler, TX 75710 | Oil & Gas Operator | Sep 2004 |
| 79 | Fenix Petroleum Group LLC | Washington, TX 77880 | Oil Operator | Jul 2019 |
| 80 | Fenn, Bill Inc. | Giddings, TX 78942 | Oil & Gas Operator | Mar 2008 |
| 81 | Fenno, Tom Prod. | FT Collins, CO 80524 | Oil & Gas Operator | Mar 2018 |
| 82 | Fenoglio Oil Company | Nocona, TX 76255 | Oil Operator | Apr 2026 |
| 83 | Fenoglio, Donnie Oil Company | Nocona, TX 76255 | Oil & Gas Operator | Feb 2014 |
| 84 | Fenway Energy Development Co. | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 85 | Fergus Oil & Gas, LLC | Allen, TX 75013 | Oil Operator | Apr 2026 |
| 86 | Ferguson Oil & Gas Inc. | Austin, TX 78746 | Oil & Gas Operator | Apr 2026 |
| 87 | Ferguson, S. M. Jr., Inc. | Dallas, TX 75218 | Oil & Gas Operator | Apr 2026 |
| 88 | Ferguson-Burns Leasing Co. | Rockdale, TX 76567 | Oil & Gas Operator | Oct 2007 |
| 89 | Ferreira Oil Properties LLC | Carefree, AZ 85377 | Oil Operator | Apr 2014 |
| 90 | Fesco, LTD. | Alice, TX 78332 | Oil Operator | Apr 2026 |
| 91 | Ffa Petroleum Services | Victoria, TX 77903 | Oil & Gas Operator | Sep 2001 |
| 92 | Ffa Petroleum Services, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2018 |
| 93 | FGB Energy, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Aug 2017 |
| 94 | FH Operation Company, Inc. | Dallas, TX 75381 | Oil & Gas Operator | Apr 2005 |
| 95 | Fidelity Energy Co. | Gainesville, TX 76241 | Oil & Gas Operator | Apr 2008 |
| 96 | Fidelity Explor. & Prod. Co. | Denver, CO 80202 | Oil & Gas Operator | Nov 2015 |
| 97 | Fidelity Exploration & Production Company | Denver, CO 80203 | Oil & Gas Operator | Feb 2026 |
| 98 | Fidelity Petroleum Corporation | Plano, TX 75074 | Oil & Gas Operator | Apr 2026 |
| 99 | Field Petroleum Corp. | San Antonio, TX 78216 | Oil & Gas Operator | Apr 2026 |
| 100 | Field Production Company | Cleburne, TX 76033 | Oil & Gas Operator | Mar 2023 |