| 10101 | Firerock Company | Abilene, TX 79602 | Oil & Gas Operator | Nov 2024 |
| 10102 | Fireside Oil And Gas, Inc. | West Monroe, LA 71294 | Oil & Gas Operator | Feb 2002 |
| 10103 | Firestone Tire & Rubber | Akron, OH 44317 | Oil & Gas Operator | Dec 1989 |
| 10104 | Firewater, Inc. | Hobbs, NM 88240 | Oil & Gas Operator | Dec 2011 |
| 10105 | Firewheel Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Nov 2017 |
| 10106 | Firey Oil Company | Sand Springs, OK 74063 | Oil & Gas Operator | Feb 2021 |
| 10107 | First Alliance CH | Erie, PA 16506-5024 | Gas Operator | Dec 2017 |
| 10108 | First Amer Energy Inc | Bradford, PA 16701-0184 | Oil & Gas Operator | Dec 2023 |
| 10109 | First American Operating Co. | Breckenridge, TX 76424 | Oil & Gas Operator | Aug 2006 |
| 10110 | First Aransas Reserves, Inc. | Alvin, TX 77511 | Oil & Gas Operator | Mar 2018 |
| 10111 | First Ascent Operating LLC | Addison, TX 75001 | Oil Operator | Sep 2024 |
| 10112 | First Chinese Baptist Church | | Oil Operator | Dec 2006 |
| 10113 | First Energy Cor | | Oil Operator | Aug 1990 |
| 10114 | First Energy Corporation | | Oil & Gas Operator | Jun 1993 |
| 10115 | First Energy Development Corp. | | Oil & Gas Operator | Sep 2008 |
| 10116 | First Energy Properties | Houston, TX 77060 | Oil & Gas Operator | Dec 1986 |
| 10117 | First Liberty Energy Inc | Boca Raton, FL 33432-5942 | Oil & Gas Operator | Jul 2013 |
| 10118 | First National Finance Corporation | | Oil Operator | Dec 1995 |
| 10119 | First National Oil, Inc. | Edmond, OK 73003 | Oil & Gas Operator | Aug 2024 |
| 10120 | First Natural Gas Inc | Checotah, OK 74426 | Oil & Gas Operator | Jun 2024 |
| 10121 | First Oil And Gas Company | | Oil Operator | Sep 2024 |
| 10122 | First Permian, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 10123 | First Reserve Oil & Gas Co | Houston, TX 77002 | Oil & Gas Operator | Apr 2000 |
| 10124 | First Rock, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Nov 2024 |
| 10125 | First Solid Energy Group, LP | Missouri City, TX 77489 | Oil & Gas Operator | Nov 2024 |
| 10126 | First Source Gas, LP | Houston, TX 77010 | Gas Operator | Jan 2006 |
| 10127 | First Source Texas, Inc. | MT Pleasant, MI 48858 | Gas Operator | Nov 2004 |
| 10128 | First Sourcenergy Wyoming Inc | Gillette, WY 82718 | Gas Operator | Jul 2003 |
| 10129 | First South Energy Corp | Hartland, WI 53029 | Oil & Gas Operator | Dec 2014 |
| 10130 | First Texas Exploration Corp. | Arcadia, LA 71001 | Oil & Gas Operator | Aug 2003 |
| 10131 | First Zone Production | Salt Lake City, UT 84102 | Oil & Gas Operator | Dec 1997 |
| 10132 | Firstrike Energy Corporation | Cleburne, TX 76033 | Oil & Gas Operator | Jun 2024 |
| 10133 | Fischer Operating Corporation | Victoria, TX 77902 | Oil & Gas Operator | Jan 1999 |
| 10134 | Fiscus Drilling Co., Inc. | Clyde, TX 79510 | Oil & Gas Operator | Apr 2015 |
| 10135 | Fishburn Producing Inc | Marengo, OH 43334 | Oil & Gas Operator | Dec 2023 |
| 10136 | Fishburn Services Inc | Marengo, OH 43334 | Oil & Gas Operator | Dec 1990 |
| 10137 | Fishcreek Minerals, LLC | Graham, TX 76450 | Oil & Gas Operator | Nov 2024 |
| 10138 | Fisher Ellis R | Bristow, OK 74010-8515 | Oil & Gas Operator | Dec 2015 |
| 10139 | Fisher Ernest B | Bristow, OK 74010 | Oil Operator | Jul 2024 |
| 10140 | Fisher Joint Venture | | Oil & Gas Operator | Oct 1998 |
| 10141 | Fisher McCall Oil And Gas Inc | | Oil Operator | Dec 2014 |
| 10142 | Fisher Oil Co. | Big Lake, TX 76932 | Oil & Gas Operator | Nov 2024 |
| 10143 | Fisher, Jack Inc. | Abilene, TX 79603 | Oil & Gas Operator | Sep 2001 |
| 10144 | Fisher, L. C. Jr. | Longview, TX 75608 | Oil & Gas Operator | May 1993 |
| 10145 | Fisk Family Farms LLC | | Gas Operator | Sep 2024 |
| 10146 | Fitch Petroleum Company Inc | Adair, OK 74330 | Oil Operator | Apr 2024 |
| 10147 | Fite Oil & Gas, Inc. | Shreveport, LA 71163 | Oil & Gas Operator | Nov 2024 |
| 10148 | Fitts, B.K. Oil & Gas | Bowie, TX 76230 | Oil & Gas Operator | Nov 2024 |
| 10149 | Fitzgerald & Dennis | | Oil & Gas Operator | Apr 2014 |
| 10150 | Fitzgerald Oil Company | Waurika, OK 73573 | Oil Operator | Sep 2024 |
| 10151 | Fitzgerald Production Co. | Oil City, LA 71061 | Oil & Gas Operator | Jun 2024 |
| 10152 | Fitzgerald, Thomas J. | | Oil & Gas Operator | Dec 2023 |
| 10153 | Fitzpatrick, Stephen | Angola, NY 14006 | Gas Operator | Dec 2023 |
| 10154 | Fitzsimmons Randall W & Deborah S | Bartesville, OK 74006 | Oil & Gas Operator | Sep 2024 |
| 10155 | Five D Co | Cactus, TX 79013 | Oil & Gas Operator | Sep 1996 |
| 10156 | Five K Partnership | Graham, TX 76450 | Oil & Gas Operator | Oct 2023 |
| 10157 | Five Star Energy, Inc. | Seguin, TX 78155 | Oil & Gas Operator | Jul 2024 |
| 10158 | Five State Energy Co | Dallas, TX 75206 | Oil & Gas Operator | Oct 1995 |
| 10159 | Five States Energy Company | Dallas, TX 75206 | Oil & Gas Operator | Mar 2008 |
| 10160 | Five States Operating Company | Dallas, TX 75206 | Oil & Gas Operator | Feb 2008 |
| 10161 | Five States Operating Company LLC | Dallas, TX 75206 | Oil & Gas Operator | Sep 2024 |
| 10162 | Five-Jab, Inc. | Tomball, TX 77377 | Oil & Gas Operator | Nov 2024 |
| 10163 | Fiveash Operating Company, Inc. | Christoval, TX 76935 | Oil & Gas Operator | Aug 2003 |
| 10164 | Fivestones Energy LLC | Midland, TX 79710 | Oil & Gas Operator | Nov 2024 |
| 10165 | FJH Oil Company | Muenster, TX 76252 | Oil & Gas Operator | Nov 2024 |
| 10166 | Fjo Energy, LLC | Fairhope, AL 36532 | Oil Operator | Nov 2024 |
| 10167 | Flag DRLG Co, Inc | Greenville, KY 42345 | Oil & Gas Operator | Dec 2021 |
| 10168 | Flag Energy, LLC | Centerton, AR 72719 | Oil & Gas Operator | Nov 2018 |
| 10169 | Flag Transport Inc | Shattuck, OK 73858-0848 | Oil Operator | Dec 2014 |
| 10170 | Flag-Redfern Oil Company | Oklahoma City, OK 73125 | Oil & Gas Operator | Jul 2002 |
| 10171 | Flahive Oil & Gas LLC | Golden, CO 80401 | Oil Operator | Oct 1995 |
| 10172 | Flairtex Resources, Inc. | Houston, TX 77040 | Oil & Gas Operator | Oct 1998 |
| 10173 | Flame Energy Co Inc | Dalton, OH 44618 | Oil & Gas Operator | Dec 2006 |
| 10174 | Flamingo Oil & Gas | Luling, TX 78648 | Oil & Gas Operator | Nov 2024 |
| 10175 | Flamingo Operating, LLC | Houston, TX 77084 | Oil & Gas Operator | Nov 2024 |
| 10176 | Flanagan Energy Company LLC | Walters, OK 73572 | Oil Operator | Aug 2024 |
| 10177 | Flanigan Bros | Edinboro, PA 16412-1443 | Oil & Gas Operator | Dec 2018 |
| 10178 | Flare Oil Inc | Rockport, TX 78382 | Oil & Gas Operator | Nov 2024 |
| 10179 | Flare Resources Inc. | Houston, TX 77002 | Gas Operator | Jun 2006 |
| 10180 | Flare, Inc. | | Oil & Gas Operator | Jul 1995 |
| 10181 | Flash Gas & Oil Northeast, Inc | | Oil & Gas Operator | May 2007 |
| 10182 | Flash Gas & Oil Southwest, Inc. | Mandeville, LA 70470 | Oil & Gas Operator | Oct 2019 |
| 10183 | Flash Gas & Oil, Inc. | | Oil & Gas Operator | May 1991 |
| 10184 | Flat Creek Resources, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2022 |
| 10185 | Flat Rock Energy Company | Skiatook, OK 74070-0100 | Oil & Gas Operator | May 2017 |
| 10186 | Flat Top Operating, LLC | Midland, TX 79707 | Oil & Gas Operator | Nov 2024 |
| 10187 | Flatirons Development LLC | Westminster, CO 80020-2771 | Gas Operator | Dec 2015 |
| 10188 | Flatirons Resources LLC | Westminster, CO 80021 | Oil & Gas Operator | Dec 2022 |
| 10189 | Flatland Energy, LLC | Gardner, KS 66030 | Oil Operator | Jun 2024 |
| 10190 | Flatland Oil Com | | Oil Operator | Sep 1985 |
| 10191 | Flatlander Energy LLC | Blackwell, OK 74631 | Oil & Gas Operator | Aug 2024 |
| 10192 | Flatlander Petroleum LLC | | Oil & Gas Operator | Jul 2024 |
| 10193 | Flatonia Energy, LLC | Dallas, TX 75201 | Oil & Gas Operator | Nov 2024 |
| 10194 | Flatt Energy Inc | | Oil & Gas Operator | Sep 2019 |
| 10195 | Flatwater Energy, LLC | | Oil & Gas Operator | Jul 2024 |
| 10196 | Flavian Oil Company | Dallas, TX 75206 | Gas Operator | Jan 1997 |
| 10197 | Fleeharty Willie W | | Oil & Gas Operator | Jun 1991 |
| 10198 | Fleeman Teresa R | Lower Salem, OH 45745 | Oil & Gas Operator | Dec 2023 |
| 10199 | Fleet Frank T | Ada, OK 74821-0729 | Oil & Gas Operator | Feb 2003 |
| 10200 | Fleet Oil Co. | | Oil & Gas Operator | Dec 1991 |