| 10101 | F Y B Investments, Inc. | Midland, TX 79711 | Oil & Gas Operator | Sep 1995 |
| 10102 | F&H Operating Company LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2025 |
| 10103 | F-B Oil, LP | Decatur, TX 76234 | Oil Operator | Aug 2015 |
| 10104 | F-W Oil Interests, Inc. | Houston, TX 77024 | Oil & Gas Operator | Dec 2006 |
| 10105 | F. B. R. Production Company | Pampa, TX 79066 | Oil & Gas Operator | May 2000 |
| 10106 | F. E. Hargraves | | Oil Operator | Mar 1983 |
| 10107 | F. H. B. Company | Holliday, TX 76366 | Oil & Gas Operator | Apr 2025 |
| 10108 | F.A.S. Environmental Services, L.L.C. | | Oil Operator | Jan 2025 |
| 10109 | F.D. Looman | Sedan, KS 67361 | Oil Operator | Jun 2008 |
| 10110 | F.E.Hargraves &Sons DRL.Co.Inc. | | Oil & Gas Operator | Mar 1992 |
| 10111 | F.E.W. Oil Co. | Oceanside, CA 92058 | Oil Operator | Oct 2012 |
| 10112 | F.G. Holl Co., LLC | Wichita, KS 67206 | Oil & Gas Operator | Dec 2024 |
| 10113 | F.I.G. Energy, LLC | Livingston, TX 77399 | Oil & Gas Operator | Apr 2025 |
| 10114 | F.M.C. Operating, Inc. | Austin, TX 78750 | Oil & Gas Operator | Oct 1996 |
| 10115 | F.S.M. Oil Co. | | Oil Operator | Aug 1979 |
| 10116 | Fabco | Big Lake, TX 76932 | Oil & Gas Operator | Apr 2025 |
| 10117 | Fackrell & Associates LLC | Ardmore, OK 73402-1452 | Oil Operator | Jan 2025 |
| 10118 | Factor, J. S. Pridmore | Spencer, WV 25276-0000 | Gas Operator | Dec 2017 |
| 10119 | Fadely, Dale Leon | Sedan, KS 67361 | Oil & Gas Operator | Dec 2009 |
| 10120 | Fadem Oil Company | Tulsa, OK 74135 | Oil Operator | Jan 1996 |
| 10121 | Fae II Operating LLC | Houston, TX 77079 | Oil & Gas Operator | Feb 2025 |
| 10122 | Fagadau Energy Corporation | Dallas, TX 75206 | Oil & Gas Operator | Apr 2006 |
| 10123 | Fagan Engineering | Shawnee, OK 74801-3021 | Oil & Gas Operator | Oct 1994 |
| 10124 | Fahey Oil & Gas | | Oil & Gas Operator | Jul 2021 |
| 10125 | Fahey, John R | | Oil Operator | Dec 2023 |
| 10126 | Fahrenheit Petroleum Co Inc | | Oil & Gas Operator | Mar 2015 |
| 10127 | Fail W T Inc | | Oil & Gas Operator | Mar 2015 |
| 10128 | Fair Banks Enterprises | Chanute, KS 66720 | Oil Operator | Mar 2013 |
| 10129 | Fair Energies Inc | | Oil Operator | Oct 2024 |
| 10130 | Fair Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Dec 2000 |
| 10131 | Fair Oil, LC | Tyler, TX 75710 | Oil & Gas Operator | Oct 2001 |
| 10132 | Fair Oil, LTD. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2025 |
| 10133 | Fair Operating, Inc. | Boerne, TX 78015 | Oil & Gas Operator | Apr 2025 |
| 10134 | Fair Seas Enterp | | Oil & Gas Operator | Jun 1988 |
| 10135 | Fairchild Explor | | Oil & Gas Operator | Apr 1995 |
| 10136 | Fairchild Oil Corporation | Edmond, OK 73013 | Oil & Gas Operator | Oct 1994 |
| 10137 | Fairchild Well Service Inc | Ponca City, OK 74602-0470 | Oil & Gas Operator | Jun 2006 |
| 10138 | Fairchild, Bob | Kingman, KS 67068 | Oil Operator | Jan 2001 |
| 10139 | Fairfield Energy Corp. | Dallas, TX 75205 | Oil & Gas Operator | Apr 2025 |
| 10140 | Fairfield Oil & Gas Corp | Edmond, OK 73083 | Oil & Gas Operator | Nov 2021 |
| 10141 | Fairman Corp | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2024 |
| 10142 | Fairman Drilling Co | Du Bois, PA 15801-0288 | Oil & Gas Operator | Dec 2002 |
| 10143 | Fairman Oil & Gas Co Inc | Oil City, PA 16301 | Oil & Gas Operator | Dec 1991 |
| 10144 | Fairview Producing Corp. | | Oil Operator | Jul 2001 |
| 10145 | Fairview Production Co LLC | Davis, OK 73030 | Oil & Gas Operator | Feb 2025 |
| 10146 | Fairway Links Energy, Inc. | Tulsa, OK 74114 | Oil & Gas Operator | Aug 2016 |
| 10147 | Fairway Midstream SVC & TRD | Tulsa, OK 74114 | Oil & Gas Operator | Jun 2006 |
| 10148 | Fairway Operating, Inc. | Lake Jackson, TX 77566 | Oil & Gas Operator | Apr 2025 |
| 10149 | Fairway Petroleu | | Oil & Gas Operator | Dec 1994 |
| 10150 | Fairway Petroleum, Inc. | Stafford, TX 77497 | Oil & Gas Operator | Nov 2001 |
| 10151 | Fairway Resources Op III, LLC | Southlake, TX 76092 | Oil & Gas Operator | Apr 2025 |
| 10152 | Fairway Resources Operating III LLC | Houston, TX 77002-2728 | Oil & Gas Operator | Jan 2025 |
| 10153 | Fairway Resources Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Aug 2022 |
| 10154 | Fairway Resources, Inc. | Jamestown, NY 14701 | Oil & Gas Operator | Dec 2023 |
| 10155 | Fairways Exploration & Production, LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2025 |
| 10156 | Fairways Offshore Expl Inc | Houston, TX 77040 | Oil & Gas Operator | Mar 2016 |
| 10157 | Fairways Spec. Sales & Serv Inc | Houston, TX 77040 | Oil & Gas Operator | Sep 2004 |
| 10158 | Faith Energy Exploration, Inc. | Ennis, TX 75119 | Oil & Gas Operator | Mar 2019 |
| 10159 | Faith Energy, L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 10160 | Faith Oil Of Hosston | | Oil Operator | Feb 1996 |
| 10161 | Faith Partners I | | Oil Operator | Feb 1989 |
| 10162 | Faith Petroleum, Inc. | Arkansas City, KS 67005 | Oil & Gas Operator | Dec 2024 |
| 10163 | Faith Production LLC | Holdenville, OK 74848 | Oil & Gas Operator | Jan 2025 |
| 10164 | Faith Trading, LLC | Lovington, NM 88260 | Oil Operator | Feb 2025 |
| 10165 | Falco S & D, Inc. | Shreveport, LA 71107 | Oil & Gas Operator | Apr 1998 |
| 10166 | Falcon Bay Energy, L.L.C | Midland, TX 79701 | Gas Operator | Jan 2005 |
| 10167 | Falcon Bay Operations, LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2007 |
| 10168 | Falcon Creek Resources, Inc. | Tulsa, OK 74137 | Oil & Gas Operator | Apr 2001 |
| 10169 | Falcon Energy Co | | Oil Operator | Apr 1992 |
| 10170 | Falcon Energy LLC | Fruita, CO 81521 | Oil & Gas Operator | Sep 2011 |
| 10171 | Falcon Engineering Company, Inc. | Big Rapids, MI 493070818 | Oil & Gas Operator | Jul 2001 |
| 10172 | Falcon Explorati | | Oil & Gas Operator | Apr 1995 |
| 10173 | Falcon Exploration | | Oil Operator | Dec 1994 |
| 10174 | Falcon Exploration, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2024 |
| 10175 | Falcon Flight, Inc. | Sherman, TX 75090 | Oil & Gas Operator | Apr 1995 |
| 10176 | Falcon Gas Storage Co., Inc. | Houston, TX 77057 | Oil & Gas Operator | Feb 2007 |
| 10177 | Falcon Minerals, LTD. | Houston, TX 77057 | Oil & Gas Operator | May 2010 |
| 10178 | Falcon Oil & Gas Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Nov 2022 |
| 10179 | Falcon Oil Company | | Oil & Gas Operator | Sep 2009 |
| 10180 | Falcon Oil Properties LLP | Bristow, OK 74010 | Oil Operator | Jan 2025 |
| 10181 | Falcon Operating Company | Wichita Falls, TX 76302 | Gas Operator | Jan 2000 |
| 10182 | Falcon Production Co. | Floresville, TX 78114 | Oil & Gas Operator | Apr 2025 |
| 10183 | Falcon Production LLC | Austin, TX 78715 | Oil & Gas Operator | Apr 2025 |
| 10184 | Falcon Resources, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2021 |
| 10185 | Falcon Seaboard Oil & Gas LP | Farmington, NM 87499 | Gas Operator | May 1998 |
| 10186 | Falcon-Challenge Oil & Gas Co | Houston, TX 77056 | Oil & Gas Operator | Mar 1993 |
| 10187 | Falconer Central School District | Falconer, NY 14733 | Gas Operator | Dec 2020 |
| 10188 | Falese Oil Co Inc | Mattoon, IL 61938-4122-4122 | Oil & Gas Operator | Dec 1997 |
| 10189 | Falkin, Richard T. | Hepler, KS 66746 | Oil Operator | Nov 2019 |
| 10190 | Falkner, Donald E. | Cassadaga, NY 14718 | Gas Operator | Dec 2023 |
| 10191 | Fallen Leaf Energy, LLC | Allen, TX 75013 | Oil Operator | Apr 2025 |
| 10192 | Fallen Timbers Energy LLC | Tulsa, OK 74105-8713 | Oil Operator | Feb 2021 |
| 10193 | Falls City Energy Corporation | Poth, TX 78147 | Oil & Gas Operator | May 2000 |
| 10194 | Falls Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2025 |
| 10195 | Falls Production Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2025 |
| 10196 | Fambrough Oil & Gas, LLC | San Angelo, TX 76905 | Oil & Gas Operator | Apr 2025 |
| 10197 | Fambrough, Tim D. | San Angelo, TX 76905 | Oil & Gas Operator | Nov 2016 |
| 10198 | Famcor Oil, Inc. | Scottsdale, AZ 85260 | Oil & Gas Operator | Sep 2020 |
| 10199 | Family Oil Company | | Oil Operator | Jan 2025 |
| 10200 | Family Tree Corporation | Lakewood, CO 80228 | Oil & Gas Operator | Feb 2013 |