| 10201 | Forrest Energy, LLC | Hattiesburg, MS 39401 | Oil & Gas Operator | Feb 1998 |
| 10202 | Forrest Exploration & Dev, LLC | | Gas Operator | May 2003 |
| 10203 | Forrest Richard E | New Bethlehem, PA 16242-2547 | Gas Operator | Dec 2019 |
| 10204 | Forrest, Catherine M | | Oil & Gas Operator | Apr 2025 |
| 10205 | Forrestel II, E. Peter | Akron, NY 14001 | Gas Operator | Dec 2024 |
| 10206 | Forrester Oil & Gas Co. | Kilgore, TX 75663 | Oil & Gas Operator | Jun 2026 |
| 10207 | Forrester, J. L. | Longview, TX 75606 | Oil & Gas Operator | Jun 2026 |
| 10208 | Forsan Oil Company | Forsan, TX 79733 | Oil & Gas Operator | Jul 2008 |
| 10209 | Forster Oil Co. | | Oil & Gas Operator | Dec 2016 |
| 10210 | Forster, Fred Jr. | Midland, TX 79705 | Oil & Gas Operator | Aug 2008 |
| 10211 | Forsythe Lawana | Wilson, OK 73463 | Oil Operator | Mar 2020 |
| 10212 | Forsythe Trucking Inc | Wilson, OK 73463 | Oil & Gas Operator | Mar 2026 |
| 10213 | Fort Apache Energy, Inc. | Boerne, TX 78015 | Oil & Gas Operator | Jun 2026 |
| 10214 | Fort Exploration Company | FT Smith, AR 72901 | Gas Operator | May 2001 |
| 10215 | Fort Operating Company | Fort Smith, AR 72923 | Gas Operator | Nov 2018 |
| 10216 | Fort Worth Natural Gas, Inc. | Dallas, TX 75254 | Oil & Gas Operator | Jun 2026 |
| 10217 | Fort Worth Production Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Oct 1996 |
| 10218 | Fortay Inc. | Sunray, TX 79086 | Oil & Gas Operator | Jun 2026 |
| 10219 | Forte Energy Corporation | Dallas, TX 75205 | Oil & Gas Operator | Dec 2010 |
| 10220 | Forte Energy Corpration | Houston, TX 77024-1209 | Oil & Gas Operator | Jan 1995 |
| 10221 | Fortenberry Operating Co., Inc | | Oil & Gas Operator | Nov 2003 |
| 10222 | Fortenbery Drilling Co., Inc. | | Oil & Gas Operator | Oct 1979 |
| 10223 | Fortenbery Operating Co Inc | | Oil & Gas Operator | May 1993 |
| 10224 | Fortenbery Wade | | Oil & Gas Operator | May 1980 |
| 10225 | Fortitude Exploration Co | | Oil & Gas Operator | Aug 2025 |
| 10226 | Fortress Energy Corp | Pittsburgh, PA 15217-4207 | Oil & Gas Operator | Dec 2023 |
| 10227 | Fortson Oil | | Oil & Gas Operator | Jan 1998 |
| 10228 | Fortson Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2020 |
| 10229 | Fortuna Energy Corporation | Oklahoma City, OK 73102 | Oil & Gas Operator | Feb 2014 |
| 10230 | Fortuna Exploration, Inc. | Abilene, TX 79602 | Oil & Gas Operator | Jun 2026 |
| 10231 | Fortuna Resources Dvlpment, LLC | Houston, TX 77055 | Oil & Gas Operator | Jun 2026 |
| 10232 | Fortune Energy, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Jun 2026 |
| 10233 | Fortune Gas & Oil | Shreveport, LA 71118-3457 | Oil & Gas Operator | Dec 2002 |
| 10234 | Fortune Gas & Oil, Inc. | | Oil & Gas Operator | Apr 2004 |
| 10235 | Fortune Natural Resources Corp. | Houston, TX 77067 | Oil & Gas Operator | Dec 2003 |
| 10236 | Fortune Oil LTD | Salt Lake City, UT 84106 | Oil & Gas Operator | May 1987 |
| 10237 | Fortune Operating Company | Willis, TX 77378 | Oil & Gas Operator | Jun 2026 |
| 10238 | Fortune Operating, Inc. | Bowling Green, KY 42104 | Oil & Gas Operator | Jun 2026 |
| 10239 | Fortune Petroleum Corporation | | Oil & Gas Operator | Dec 1994 |
| 10240 | Fortune Production Co. | San Angelo, TX 76906 | Oil & Gas Operator | Dec 2008 |
| 10241 | Fortune Resources LLC | Longview, TX 75604 | Oil & Gas Operator | Jun 2026 |
| 10242 | Fortune-Shelby | | Oil & Gas Operator | Mar 1989 |
| 10243 | Fortune-Western | | Oil Operator | Dec 1989 |
| 10244 | Forty Acres Energy, LLC | Houston, TX 77079173 | Oil & Gas Operator | Apr 2026 |
| 10245 | Fortyfive Energy LLC | | Gas Operator | Mar 2026 |
| 10246 | Forum Exploration Co., L.P. | Tyler, TX 75710 | Oil & Gas Operator | Apr 2010 |
| 10247 | Forza Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2026 |
| 10248 | Foshee Operating, LLC | | Oil & Gas Operator | Jun 2004 |
| 10249 | Foss, Arthur & Ann | Corfu, NY 14036 | Gas Operator | Dec 2024 |
| 10250 | Fossil Creek Energy Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Jun 2026 |
| 10251 | Fossil Creek Energy, LLC | Russell, KS 67665 | Oil Operator | Feb 2026 |
| 10252 | Fossil Creek Resources LLC | Arlington, TX 76011-5597 | Oil & Gas Operator | Mar 2015 |
| 10253 | Fossil Energy Inc | Austin, TX 78746 | Oil & Gas Operator | Jun 2026 |
| 10254 | Fossil Energy, LLC | Russell, KS 67665 | Oil Operator | Feb 2026 |
| 10255 | Fossil Fuel Inc | Dallas, TX BAD ADDR | Oil & Gas Operator | Dec 1998 |
| 10256 | Fossil Fuels Inc. | Dallas, TX 75201 | Oil & Gas Operator | May 2000 |
| 10257 | Fossil Operating, Inc. | Dallas, TX 75238 | Oil & Gas Operator | Jun 2026 |
| 10258 | Fossil Petroleum LLC | San Angelo, TX 76906 | Oil & Gas Operator | Jun 2026 |
| 10259 | Fossil Resources LLC | Hays, KS 67601 | Oil Operator | Feb 2026 |
| 10260 | Fossil Resources, Inc. | Dallas, TX 75252 | Oil & Gas Operator | Oct 2017 |
| 10261 | Fossil Rock Resources, Inc. | Fort Worth, TX 76185 | Oil & Gas Operator | May 2016 |
| 10262 | Foster Energy Company | Tilden, TX 78072 | Oil & Gas Operator | Sep 2024 |
| 10263 | Foster Energy Group, LLC | Wolfforth, TX 79382 | Oil & Gas Operator | Mar 2026 |
| 10264 | Foster Gas Corporation | Brownwood, TX 76801 | Oil & Gas Operator | Jan 2009 |
| 10265 | Foster Oil & Gas | Bartlesville, OK 74005 | Oil & Gas Operator | Mar 2014 |
| 10266 | Foster Oil LLC | | Oil Operator | Feb 2026 |
| 10267 | Foster Oilfield Service | Canton, OK 73724 | Oil & Gas Operator | Mar 2026 |
| 10268 | Foster Well Service, Inc. | Conroe, TX 77305 | Oil & Gas Operator | Jan 2000 |
| 10269 | Foster, Charles R. Co. | Haskell, TX 79521 | Oil & Gas Operator | Aug 2002 |
| 10270 | Foster, Randy | New Braunfels, TX 78132 | Oil & Gas Operator | Feb 2021 |
| 10271 | Foster-Brown Operations, Inc. | | Oil & Gas Operator | Apr 2003 |
| 10272 | Foti Oil & Gas, Inc. | | Oil Operator | Sep 1986 |
| 10273 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Jun 2026 |
| 10274 | Foundation Energy Managment LLC | Addison, TX 74119 | Oil & Gas Operator | Nov 2025 |
| 10275 | Foundation Energy MGT, LLC | | Oil & Gas Operator | Jan 2014 |
| 10276 | Foundation Oil Company, Inc. | Kingwood, TX 77325 | Oil & Gas Operator | Jun 2026 |
| 10277 | Founders Oil & Gas Operating,LLC | Arlington, TX 76011 | Oil & Gas Operator | Jul 2023 |
| 10278 | Fountain Oil And Gas Co. | | Gas Operator | Dec 1993 |
| 10279 | Fountainhead Resources LTD | | Oil & Gas Operator | Apr 2016 |
| 10280 | Four - S Oil Company, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2008 |
| 10281 | Four A Oil Company Inc | Copan, OK 74022 | Oil Operator | Aug 2022 |
| 10282 | Four Aces Company | Borger, TX 79008 | Oil & Gas Operator | Mar 1995 |
| 10283 | Four Brothers Inc | | Oil & Gas Operator | Jan 2020 |
| 10284 | Four C Oil & Gas Corp. | Dallas, TX 75206 | Oil & Gas Operator | Jan 2024 |
| 10285 | Four Corners Energy, LLC | Gulf Breeze, FL 32563 | Oil & Gas Operator | Jun 2026 |
| 10286 | Four Corners Exploration Co | Farmington, NM 87499 | Oil & Gas Operator | Dec 2025 |
| 10287 | Four Corners Oil, LLC | Cape Fair, MO 65624 | Oil Operator | Dec 2025 |
| 10288 | Four Corners Petroleum II, LLC | Denver, CO 80215 | Oil & Gas Operator | Feb 2023 |
| 10289 | Four Diamond Operating, LLC | Kilgore, TX 75662 | Oil Operator | Jun 2026 |
| 10290 | Four Forty One Oil Co. | Natalia, TX 78059 | Oil & Gas Operator | Jun 2026 |
| 10291 | Four H Oil Properties | Graham, TX 76450 | Oil & Gas Operator | Jun 2026 |
| 10292 | Four K Production | Pampa, TX 79065 | Oil & Gas Operator | Jun 2026 |
| 10293 | Four Kin Oil Co | Muenster, TX 76252 | Oil & Gas Operator | Dec 2001 |
| 10294 | Four Leaf Land Company | West Union, WV 26456-0000 | Oil & Gas Operator | Dec 2021 |
| 10295 | Four North Inc | Atoka, OK 74525 | Oil Operator | Feb 2004 |
| 10296 | Four R Operating Company, LLC | Smackover, AR 71762 | Oil & Gas Operator | Jan 2025 |
| 10297 | Four Rivers Exploration, Inc. | | Oil & Gas Operator | Sep 2002 |
| 10298 | Four Seas Exploration LLC | Oklahoma City, OK 73101-1557 | Oil & Gas Operator | Dec 2019 |
| 10299 | Four Seasons, Inc. | | Oil & Gas Operator | Jun 1983 |
| 10300 | Four Sevens Oil Co., LTD. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2001 |