| 1 | F & G Management LLC | Claremore, OK 74019-0392 | Oil Operator | Oct 2025 |
| 2 | F & J Oil Company, L.L.C. | | Oil Operator | Nov 2025 |
| 3 | F & M Oil Company Inc | Pettus, TX 78146 | Oil & Gas Operator | Dec 2025 |
| 4 | F & S Energy LLC | Crescent, OK 73028 | Oil & Gas Operator | Nov 2025 |
| 5 | F C D Oil Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 1995 |
| 6 | F D & Jack Oil Company | Muskogee, OK 74402-1444 | Oil & Gas Operator | May 2015 |
| 7 | F Davis Oil & Gas LLC | Cleveland, OK 74020 | Oil Operator | Oct 2025 |
| 8 | F M C Operating LLC | Okmulgee, OK 74447 | Oil & Gas Operator | Feb 2025 |
| 9 | F M Hoel | | Oil & Gas Operator | Dec 2000 |
| 10 | F O & G LLC | Pawhuska, OK 74056-5075 | Oil Operator | Apr 2022 |
| 11 | F P C Disposal Inc | El Reno, OK 73036-5501 | Oil Operator | Apr 2003 |
| 12 | Fackrell & Associates LLC | Ardmore, OK 73402-1452 | Oil Operator | Aug 2025 |
| 13 | Fadem Oil Company | Tulsa, OK 74135 | Oil Operator | Jan 1996 |
| 14 | Fagan Engineering | Shawnee, OK 74801-3021 | Oil & Gas Operator | Oct 1994 |
| 15 | Fahrenheit Petroleum Co Inc | | Oil & Gas Operator | Mar 2015 |
| 16 | Fail W T Inc | | Oil & Gas Operator | Mar 2015 |
| 17 | Fair Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 2000 |
| 18 | Fairchild Oil Corporation | Edmond, OK 73013 | Oil & Gas Operator | Oct 1994 |
| 19 | Fairchild Well Service Inc | Ponca City, OK 74602-0470 | Oil & Gas Operator | Jun 2006 |
| 20 | Fairfield Oil & Gas Corp | Edmond, OK 73083 | Oil & Gas Operator | Nov 2021 |
| 21 | Fairview Production Co LLC | Davis, OK 73030 | Oil & Gas Operator | Oct 2025 |
| 22 | Fairway Resources Operating III LLC | Houston, TX 77002-2728 | Oil & Gas Operator | Oct 2025 |
| 23 | Fairway Resources Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Aug 2022 |
| 24 | Fairway Resources, Inc. | Jamestown, NY 14701 | Oil & Gas Operator | Dec 2024 |
| 25 | Faith Production LLC | Holdenville, OK 74848 | Oil & Gas Operator | Nov 2025 |
| 26 | Falcon Engineering Company, Inc. | Big Rapids, MI 493070818 | Oil & Gas Operator | Jul 2001 |
| 27 | Falcon Oil & Gas Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2022 |
| 28 | Falcon Oil Properties LLP | Bristow, OK 74010 | Oil Operator | Oct 2025 |
| 29 | Falcon-Challenge Oil & Gas Co | Houston, TX 77056 | Oil & Gas Operator | Mar 1993 |
| 30 | Fallen Timbers Energy LLC | Tulsa, OK 74105-8713 | Oil Operator | Feb 2021 |
| 31 | Far West Development, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2025 |
| 32 | Farley Christopher D | Kellyville, OK 74039 | Oil & Gas Operator | Jul 2019 |
| 33 | Farmer John O Inc | Russell, KS 67665 | Oil & Gas Operator | Sep 2025 |
| 34 | Farmers Energy Corporation | Tulsa, OK 74103-3525 | Oil & Gas Operator | Nov 2021 |
| 35 | Farmers Royalty Pool | | Oil & Gas Operator | Jul 1992 |
| 36 | Farmland Industries Inc | Kansas City, MO 64195-0111 | Oil & Gas Operator | Nov 1995 |
| 37 | Farrar Carolyn Dba C J Investments | Kingfisher, OK 73750 | Oil & Gas Operator | Sep 2024 |
| 38 | Farris Well Service LLC | Liberal, KS 67901-5644 | Oil & Gas Operator | Jul 2016 |
| 39 | Faulconer Energy, LLC | Tyler, TX 75711 | Oil & Gas Operator | Dec 2025 |
| 40 | Faulconer, Vernon E., Inc. | Tyler, TX 75711 | Oil & Gas Operator | Nov 2025 |
| 41 | Faulkner Corporation | Oklahoma City, OK 73154-9704 | Oil & Gas Operator | Jan 2017 |
| 42 | FBF Energy LLC | Tulsa, OK 74120 | Oil & Gas Operator | Nov 2025 |
| 43 | FDL Operating, LLC | Judson, TX 75660 | Oil & Gas Operator | Dec 2025 |
| 44 | Fears George E | | Oil & Gas Operator | Mar 2019 |
| 45 | Fears Jr Laymon F | Bartlesville, OK 74003-2323 | Oil & Gas Operator | May 2013 |
| 46 | Federal Energy Development Co. | Dallas, TX 75205 | Oil & Gas Operator | Mar 2011 |
| 47 | Feeley Ranch LLC | Broken Arrow, OK 74014 | Gas Operator | Dec 2017 |
| 48 | Feezel A L LLC | Ada, OK 74821-1371 | Oil & Gas Operator | Mar 2015 |
| 49 | Felderhoff Production Company | Muenster, TX 76252 | Oil & Gas Operator | Dec 2025 |
| 50 | Felix Energy LLC | Denver, CO 80202-1467 | Oil & Gas Operator | Oct 2025 |
| 51 | Fell Oil And Gas Inc | Tulsa, OK 74157-9487 | Oil & Gas Operator | Aug 2016 |
| 52 | Felty Drilling Co. Inc | Burkburnett, TX 76354 | Oil & Gas Operator | Dec 2025 |
| 53 | Femco Services Inc | Lindsay, OK 73052-0632 | Oil & Gas Operator | Nov 2006 |
| 54 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 55 | Ferguson Oil Company Inc | | Oil & Gas Operator | Apr 1994 |
| 56 | Ferguson-Hunter Explor Inc | N Little Rock, AR 72120-1667 | Oil & Gas Operator | Aug 2016 |
| 57 | Ferraro Energy Corporation | Oklahoma City, OK 73114-6629 | Oil & Gas Operator | Aug 2013 |
| 58 | FG III LLC | Colleyville, TX 76034-4963 | Oil & Gas Operator | Apr 2018 |
| 59 | FGS Energy LLC | Duncan, OK 73533-1829 | Oil & Gas Operator | Nov 2025 |
| 60 | Fha Investments LLC | Cushing, OK 74023 | Oil & Gas Operator | Oct 2025 |
| 61 | Fha Operating LLC | Cushing, OK 74023-1030 | Oil & Gas Operator | Sep 2025 |
| 62 | Fidgets Energy LLC | Checotah, OK 74426-5309 | Oil Operator | Oct 2024 |
| 63 | Fieldstone Exploration Company | | Oil & Gas Operator | Jan 2007 |
| 64 | Fine Jack | Pensacola, FL 32516 | Oil Operator | May 1995 |
| 65 | Finlay Energy, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Jul 1999 |
| 66 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | Dec 2025 |
| 67 | Finney Drilling Company | Wann, OK 74083-2314 | Oil Operator | Jul 2018 |
| 68 | Finney Kyler A Dba Finney Oil Co | Wann, OK 74083 | Oil Operator | Oct 2025 |
| 69 | Finston Arthur | Tulsa, OK 74105-7183 | Oil & Gas Operator | Mar 2007 |
| 70 | Firehouse Energy LLC | Morris, OK 74445 | Oil & Gas Operator | Mar 2024 |
| 71 | Firey Oil Company | Sand Springs, OK 74063 | Oil & Gas Operator | Feb 2021 |
| 72 | First Ascent Operating LLC | Addison, TX 75001 | Oil Operator | Oct 2025 |
| 73 | First Liberty Energy Inc | Boca Raton, FL 33432-5942 | Oil & Gas Operator | Jul 2013 |
| 74 | First National Oil Inc | Edmond, OK 73003 | Oil & Gas Operator | Oct 2025 |
| 75 | First Natural Gas Inc | Checotah, OK 74426 | Oil & Gas Operator | Oct 2025 |
| 76 | Fisher Ellis R | Bristow, OK 74010-8515 | Oil & Gas Operator | Dec 2015 |
| 77 | Fisher Ernest B | Bristow, OK 74010 | Oil Operator | Jul 2024 |
| 78 | Fitch Petroleum Company Inc | Adair, OK 74330 | Oil Operator | Aug 2025 |
| 79 | Fitkin Petroleum Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Jan 1994 |
| 80 | Fitzgerald Oil Company | Waurika, OK 73573 | Oil Operator | Oct 2025 |
| 81 | Fitzsimmons Randall W & Deborah S | Bartelsville, OK 74006 | Oil & Gas Operator | Nov 2025 |
| 82 | Five Star Energy, Inc. | Seguin, TX 78155 | Oil & Gas Operator | Nov 2025 |
| 83 | Flag Transport Inc | Shattuck, OK 73858-0848 | Oil Operator | Dec 2014 |
| 84 | Flag-Redfern Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Jul 2002 |
| 85 | Flagin Operating LLC | Norman, OK 73072-2405 | Oil & Gas Operator | Oct 2025 |
| 86 | Flanagan Energy Company LLC | Walters, OK 73572 | Oil Operator | Feb 2025 |
| 87 | Flare Oil Inc | Rockport, TX 78382 | Oil & Gas Operator | Dec 2025 |
| 88 | Flatlander Energy LLC | Blackwell, OK 74631 | Oil & Gas Operator | Nov 2025 |
| 89 | Flatrock Energy Co | | Oil & Gas Operator | May 2017 |
| 90 | Flatt Energy Inc | | Oil & Gas Operator | Sep 2019 |
| 91 | Fleet Frank T | Ada, OK 74821-0729 | Oil & Gas Operator | Feb 2003 |
| 92 | Fleetwood K Phil Oil Properties | Marlow, OK 73055 | Oil & Gas Operator | Oct 2025 |
| 93 | Fletcher Oil LLC | Ratliff City, OK 73481 | Oil & Gas Operator | Nov 2025 |
| 94 | Flicka Energy Inc | Crescent, OK 73028 | Oil & Gas Operator | Mar 2022 |
| 95 | Flint Douglas J | Mounds, OK 74047-5415 | Oil & Gas Operator | Sep 2015 |
| 96 | Flint Equipment LLC | Cushing, OK 74023 | Oil Operator | Oct 2025 |
| 97 | Flint J A & Associates | Holdenville, OK 74848 | Oil & Gas Operator | Sep 2009 |
| 98 | Flood Thirty Seven LLC | Dewey, OK 74029 | Oil Operator | Oct 2025 |
| 99 | Flow Production Company | Midland, TX 79708 | Oil & Gas Operator | Mar 2005 |
| 100 | Flowin Gold Inc | Sapulpa, OK 74066-9735 | Oil & Gas Operator | Apr 2020 |