| 2001 | Excel Production Inc | Lubbock, TX 79424-2341 | Oil Operator | Apr 2020 |
| 2002 | Excelco Energy Inc. | Kingwood, TX 77339 | Oil & Gas Operator | Jul 2018 |
| 2003 | Exco Resources Inc | Dallas, TX 75251 | Oil & Gas Operator | Jan 2024 |
| 2004 | Exok, Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2024 |
| 2005 | Exoko Operating Company Inc | Tulsa, OK 74170-0246 | Oil & Gas Operator | Jan 2006 |
| 2006 | Explo Oil Inc | Dallas, TX 75251 | Oil & Gas Operator | May 2024 |
| 2007 | Exploration Associates | Oklahoma City, OK 73102-8606 | Oil & Gas Operator | Mar 2015 |
| 2008 | Exploration Associates II LLC | Oklahoma City, OK 73102-8815 | Oil & Gas Operator | Jan 2013 |
| 2009 | Exploration Professionals Inc | Chelsea, OK 74016 | Oil Operator | Dec 2023 |
| 2010 | Exploration Technologies Inc | Crescent, OK 73028-0546 | Oil & Gas Operator | Mar 2015 |
| 2011 | Export Petroleum Corporation | Fort Worth, TX 76147 | Oil & Gas Operator | May 2024 |
| 2012 | Express Oil & Gas LLC | | Oil & Gas Operator | Jan 2024 |
| 2013 | Extex Operating Company | Houston, TX 77057 | Oil & Gas Operator | May 2024 |
| 2014 | Exxon Mobil Corporation | Spring, TX 77389 | Oil & Gas Operator | May 2024 |
| 2015 | Exxonmobil Oil Corp | Houston, TX 77210 | Oil & Gas Operator | Mar 2024 |
| 2016 | Eyler Corporation | | Oil & Gas Operator | Nov 2012 |
| 2017 | Eyler Dean E | Cleveland, OK 74020-0260 | Oil & Gas Operator | Jan 2024 |
| 2018 | Eyler Nelson E | | Oil Operator | Nov 1998 |
| 2019 | F & G Management LLC | Claremore, OK 74019-0392 | Oil Operator | Nov 2023 |
| 2020 | F & J Oil Co LLC | Pawauska, OK 74056 | Oil Operator | Feb 2024 |
| 2021 | F & M Oil Company Inc | Pettus, TX 78146 | Oil & Gas Operator | May 2024 |
| 2022 | F & S Energy LLC | | Oil & Gas Operator | Feb 2024 |
| 2023 | F C D Oil Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Feb 1995 |
| 2024 | F Davis Oil & Gas LLC | Cleveland, OK 74020-0270 | Oil Operator | Nov 2023 |
| 2025 | F O & G LLC | Ruston, LA 71273 | Oil Operator | Apr 2022 |
| 2026 | F P C Disposal Inc | El Reno, OK 73036-5501 | Oil Operator | Apr 2003 |
| 2027 | Fackrell & Associates LLC | Ardmore, OK 73402-1452 | Oil Operator | Feb 2024 |
| 2028 | Fadem Oil Company | Tulsa, OK 74135 | Oil Operator | Jan 1996 |
| 2029 | Fagan Engineering | Shawnee, OK 74801-3021 | Oil & Gas Operator | Oct 1994 |
| 2030 | Fahrenheit Petroleum Co Inc | | Oil & Gas Operator | Mar 2015 |
| 2031 | Fail W T Inc | | Oil & Gas Operator | Mar 2015 |
| 2032 | Fair Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 2000 |
| 2033 | Fairchild Oil Corporation | Edmond, OK 73013 | Oil & Gas Operator | Oct 1994 |
| 2034 | Fairchild Well Service Inc | Ponca City, OK 74602-0470 | Oil & Gas Operator | Jun 2006 |
| 2035 | Fairfield Oil & Gas Corp | Edmond, OK 73083-6786 | Oil & Gas Operator | Nov 2021 |
| 2036 | Fairview Production Co LLC | Davis, OK 73030 | Oil & Gas Operator | Feb 2024 |
| 2037 | Fairway Midstream SVC & TRD | Tulsa, OK 74114 | Oil & Gas Operator | Jun 2006 |
| 2038 | Fairway Resources Operating III LLC | | Oil & Gas Operator | Jan 2024 |
| 2039 | Fairway Resources Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Aug 2022 |
| 2040 | Fairway Resources, Inc. | Jamestown, NY 14701 | Oil & Gas Operator | Dec 2022 |
| 2041 | Faith Production LLC | Holdenville, OK 74848-0005 | Oil & Gas Operator | Feb 2024 |
| 2042 | Falcon Oil & Gas Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2022 |
| 2043 | Falcon Oil Properties LLP | Bristow, OK 74010-0988 | Oil Operator | Jan 2024 |
| 2044 | Falcon-Challenge Oil & Gas Co | Houston, TX 77056 | Oil & Gas Operator | Mar 1993 |
| 2045 | Fallen Timbers Energy LLC | | Oil Operator | Feb 2021 |
| 2046 | Far West Development, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | May 2024 |
| 2047 | Farley Christopher D | Lakeview, AR 72642-0135 | Oil & Gas Operator | Jul 2019 |
| 2048 | Farmer, John O., Inc. | Russell, KS 67665 | Oil & Gas Operator | Jan 2024 |
| 2049 | Farmers Energy Corporation | Tulsa, OK 74103-3525 | Oil & Gas Operator | Nov 2021 |
| 2050 | Farmland Industries Inc | Kansas City, MO 64195-0111 | Oil & Gas Operator | Nov 1995 |
| 2051 | Faro Operating Company Anadarko LLC | | Oil & Gas Operator | Jan 2024 |
| 2052 | Farrar Carolyn Dba C J Investments | Kingfisher, OK 73750 | Oil & Gas Operator | Jan 2024 |
| 2053 | Faulconer Energy, LLC | Tyler, TX 75711 | Oil & Gas Operator | May 2024 |
| 2054 | Faulconer Vernon E Inc | Tyler, TX 75711 | Oil & Gas Operator | Feb 2024 |
| 2055 | Faulkner Corporation | Oklahoma City, OK 73154-9704 | Oil & Gas Operator | Jan 2017 |
| 2056 | FBF Energy LLC | | Oil & Gas Operator | Feb 2024 |
| 2057 | FDL Operating, LLC | Judson, TX 75660 | Oil & Gas Operator | May 2024 |
| 2058 | Fears George E | | Oil & Gas Operator | Mar 2019 |
| 2059 | Federal Energy Development Co. | Dallas, TX 75205 | Oil & Gas Operator | Mar 2011 |
| 2060 | Feezel A L LLC | Ada, OK 74821-1371 | Oil & Gas Operator | Mar 2015 |
| 2061 | Felderhoff Production Company | Muenster, TX 76252 | Oil & Gas Operator | May 2024 |
| 2062 | Felix Energy LLC | | Oil & Gas Operator | Jan 2024 |
| 2063 | Fell Oil And Gas Inc | Tulsa, OK 74157-9487 | Oil & Gas Operator | Aug 2016 |
| 2064 | Felty Drilling Co Inc | Burkburnett, TX 76354 | Oil & Gas Operator | May 2024 |
| 2065 | Femco Services Inc | Lindsay, OK 73052-0632 | Oil & Gas Operator | Nov 2006 |
| 2066 | Femco SWD Inc | Enid, OK 73702-3907 | Oil Operator | Mar 2014 |
| 2067 | Ferguson Oil Company Inc | | Oil & Gas Operator | Apr 1994 |
| 2068 | Ferguson-Hunter Explor Inc | N Little Rock, AR 72120-1667 | Oil & Gas Operator | Aug 2016 |
| 2069 | Ferraro Energy Corporation | Oklahoma City, OK 73114-6629 | Oil & Gas Operator | Aug 2013 |
| 2070 | FG III LLC | Colleyville, TX 76034-4963 | Oil & Gas Operator | Apr 2018 |
| 2071 | FGS Energy LLC | | Oil & Gas Operator | Jan 2024 |
| 2072 | Fha Investments LLC | Cushing, OK 74023-1030 | Oil & Gas Operator | Jan 2024 |
| 2073 | Fha Operating LLC | | Oil & Gas Operator | Nov 2023 |
| 2074 | Fidgets Energy LLC | | Oil Operator | Jan 2024 |
| 2075 | Fieldstone Exploration Co | Tulsa, OK 74136 | Oil & Gas Operator | Jan 2007 |
| 2076 | Fifty-One Production Inc | Mannford, OK 74044 | Oil & Gas Operator | Jan 2013 |
| 2077 | Fine Jack | Pensacola, FL 32516 | Oil Operator | May 1995 |
| 2078 | Finlay Energy, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | Jul 1999 |
| 2079 | Finley Resources Inc | Fort Worth, TX 76113 | Oil & Gas Operator | May 2024 |
| 2080 | Finney Drilling Co. | Wann, OK 74083-2314 | Oil Operator | Jul 2018 |
| 2081 | Finney Kyler A Dba Finney Oil Co | | Oil Operator | Jan 2024 |
| 2082 | Finston Arthur | Tulsa, OK 74105-7183 | Oil & Gas Operator | Mar 2007 |
| 2083 | Firehouse Energy LLC | Morris, OK 74445-0306 | Oil & Gas Operator | Oct 2023 |
| 2084 | Firey Oil Company | Sand Springs, OK 74063-0773 | Oil & Gas Operator | Feb 2021 |
| 2085 | First Ascent Operating LLC | Addison, TX 75001 | Oil Operator | Feb 2024 |
| 2086 | First Liberty Energy Inc | Boca Raton, FL 33432-5942 | Oil & Gas Operator | Jul 2013 |
| 2087 | First National Oil, Inc. | Edmond, OK 73003 | Oil & Gas Operator | Jan 2024 |
| 2088 | First Natural Gas Inc | Eufaula, OK 74432-0824 | Oil & Gas Operator | Jan 2024 |
| 2089 | Fisher Ellis R | Bristow, OK 74010-8515 | Oil & Gas Operator | Dec 2015 |
| 2090 | Fisher Ernest B | Bristow, OK 74010 | Oil Operator | May 2023 |
| 2091 | Fitch Petroleum Company Inc | Adair, OK 74330-0016 | Oil Operator | Nov 2023 |
| 2092 | Fitzgerald & Dennis | | Oil & Gas Operator | Apr 2014 |
| 2093 | Fitzgerald Oil Company | Waurika, OK 73573-0278 | Oil Operator | Feb 2024 |
| 2094 | Fitzsimmons Randall W & Deborah S | | Oil & Gas Operator | Jan 2024 |
| 2095 | Five Star Energy, Inc. | Seguin, TX 78155 | Oil & Gas Operator | Jan 2024 |
| 2096 | Flag Transport Inc | Shattuck, OK 73858-0848 | Oil Operator | Dec 2014 |
| 2097 | Flag-Redfern Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Jul 2002 |
| 2098 | Flagin Operating LLC | | Oil & Gas Operator | Jan 2024 |
| 2099 | Flanagan Energy Company LLC | Walters, OK 73572-0491 | Oil Operator | Apr 2023 |
| 2100 | Flare Oil Inc | Rockport, TX 78382 | Oil & Gas Operator | May 2024 |