| 4201 | Frontier Operating Corporation | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 4202 | Frontier Resources, Inc. | Dallas, TX 75214 | Oil & Gas Operator | Feb 2026 |
| 4203 | Frost Brothers Resources, LLLP | Fort Worth, TX 76101 | Gas Operator | Nov 2024 |
| 4204 | Frost, C.M., P.M. & V.W. | Simonton, TX 77476 | Oil & Gas Operator | Feb 2000 |
| 4205 | Frost, Kenneth Oil & Gas Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 1995 |
| 4206 | Frost,Cyrus B.,Jr.& Fleming, WM. | Eastland, TX 76448 | Oil & Gas Operator | May 2004 |
| 4207 | Frostwood Energy, LLC | Houston, TX 77219 | Oil & Gas Operator | Feb 2026 |
| 4208 | FTC Consulting, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 4209 | FTM Incorporated | Weatherford, TX 76086 | Gas Operator | Feb 2026 |
| 4210 | Fuego Energy, LLC | Fort Worth, TX 76136 | Oil Operator | Feb 2026 |
| 4211 | Fuel Products, Inc. | Midland, TX 79702 | Oil Operator | Mar 2002 |
| 4212 | Fueled Resources Inc | Boyd, TX 76023 | Oil & Gas Operator | Feb 2026 |
| 4213 | Fuji Resources Production Co,Inc | Houston, TX 77036 | Oil & Gas Operator | Feb 2000 |
| 4214 | Ful-Hill Oil & Gas, Inc. | Marshall, TX 75670 | Oil & Gas Operator | Aug 2003 |
| 4215 | Ful-Hill Oil & Gas, L.L.P. | Overton, TX 75684 | Oil & Gas Operator | Jun 2016 |
| 4216 | Fulcrum Energy Operating, LLC | Denver, CO 80206 | Oil & Gas Operator | Feb 2026 |
| 4217 | Fulcrum Exploration, LLC. | Flower Mound, TX 75028 | Oil & Gas Operator | Nov 2025 |
| 4218 | Fulfer Oil And Cattle Co. | Jal, NM 88252 | Oil & Gas Operator | Feb 2026 |
| 4219 | Fulfer, O. L. Operating Co., Inc | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 1999 |
| 4220 | Fuller Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 1995 |
| 4221 | Fuller Operating Company | Lubbock, TX 79408 | Oil & Gas Operator | Mar 2008 |
| 4222 | Fuller Petroleum Inc | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 4223 | Fuller Production, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 4224 | Fullerton Energy Corporation | Dallas, TX 75230 | Oil & Gas Operator | Apr 2002 |
| 4225 | Fullerton, B. N. | San Angelo, TX 76904 | Oil & Gas Operator | Jul 1994 |
| 4226 | Fullspike Energy LLC | Boyd, TX 76023 | Oil & Gas Operator | Feb 2026 |
| 4227 | Fulshear Oil & Gas Partners LP | Houston, TX 77002 | Gas Operator | Apr 2018 |
| 4228 | Fultz Oil Company | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 1995 |
| 4229 | Furie Operating, LLC | League City, TX 77573 | Oil & Gas Operator | Nov 2015 |
| 4230 | Furr, Roy Estate Of | Midland, TX 79702 | Oil & Gas Operator | Jun 2016 |
| 4231 | Furry Oil & Gas, Inc. | Bangs, TX 76823 | Oil & Gas Operator | Feb 2026 |
| 4232 | Furry Operating Account | Brownwood, TX 76804 | Oil & Gas Operator | Aug 2003 |
| 4233 | Furry Producing Company | Brownwood, TX 76801 | Oil & Gas Operator | Feb 2026 |
| 4234 | Furry, Myrl M. | Brownwood, TX 76801 | Oil & Gas Operator | Dec 2003 |
| 4235 | Fuse Energy, LLC | Alvord, TX 76225 | Oil & Gas Operator | Jan 2019 |
| 4236 | Fusion Energy Holdings, LLC | Throckmorton, TX 76483 | Oil Operator | Feb 2026 |
| 4237 | Fusion XP, Inc. | Arlington, TX 76006 | Oil Operator | Apr 2014 |
| 4238 | Future Petroleum Company LLC | Houston, TX 77027 | Oil & Gas Operator | Jun 2013 |
| 4239 | Future Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 1999 |
| 4240 | FX Energy Operating, LLC | Canadian, TX 79014 | Oil & Gas Operator | Feb 2026 |
| 4241 | G & C Energy Co. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 4242 | G & F Oil, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Feb 2026 |
| 4243 | G & G Oil | Luling, TX 78648 | Oil Operator | Feb 2026 |
| 4244 | G & K Operating, LLC | Poth, TX 78147 | Oil & Gas Operator | Feb 2026 |
| 4245 | G & L Royalty | Perrin, TX 76486 | Oil & Gas Operator | Feb 2026 |
| 4246 | G & M Gas & Oil | Midland, TX 79701 | Oil & Gas Operator | Jun 1998 |
| 4247 | G & S Energy, Inc. | Bangs, TX 76823 | Oil & Gas Operator | Apr 2024 |
| 4248 | G & W Production Company L.L.C. | El Campo, TX 77437 | Oil Operator | May 2017 |
| 4249 | G C & W Inc. | Borger, TX 79007 | Oil & Gas Operator | Oct 2016 |
| 4250 | G D Energy Corporation | Wichita Falls, TX 76308 | Oil Operator | Feb 2026 |
| 4251 | G E Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2020 |
| 4252 | G N K Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Aug 2020 |
| 4253 | G P II Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2020 |
| 4254 | G Productions | Snyder, TX 79549 | Oil & Gas Operator | Jun 1998 |
| 4255 | G&L Oil And Gas, LLC | Windthorst, TX 76389 | Oil & Gas Operator | Feb 2026 |
| 4256 | G-3 Oil | Albany, TX 76430 | Oil & Gas Operator | Jul 1995 |
| 4257 | G. & S. Inc. | Gruver, TX 79040 | Oil & Gas Operator | Nov 2023 |
| 4258 | G. A. Hawkins Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 4259 | G. H. Ranch Management, LLC | Pampa, TX 79066 | Oil & Gas Operator | Apr 2013 |
| 4260 | G. H. Ranch, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Feb 2006 |
| 4261 | G. H. Ranch, LLC | Pampa, TX 79066 | Oil & Gas Operator | Feb 2026 |
| 4262 | G. S. Properties, Inc. | Arlington, TX 76013 | Oil & Gas Operator | May 1999 |
| 4263 | G.& S. Landscaping, Inc. | Houston, TX 77095 | Gas Operator | Jun 2023 |
| 4264 | G.A.P. Production LLC | Sourlake, TX 77659 | Oil Operator | Feb 2026 |
| 4265 | G.H.W. Holding Company | Odessa, TX 79760 | Oil & Gas Operator | Nov 2000 |
| 4266 | G.P.C. Oil And Gas Corporation | Midland, TX 79710 | Oil & Gas Operator | Feb 1993 |
| 4267 | G.R.P. Gauging, Inc. | Wharton, TX 77488 | Oil & Gas Operator | Oct 2010 |
| 4268 | Gaea Services, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Sep 2021 |
| 4269 | Gaedeke Oil & Gas Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Sep 2023 |
| 4270 | Gaeton Oil & Gas Corp. | Derby, CT 06418 | Oil & Gas Operator | Jun 1998 |
| 4271 | Gage, H. L. | Windthorst, TX 76389 | Oil & Gas Operator | May 2005 |
| 4272 | Gaines Operating, LLC | Austin, TX 78746 | Oil & Gas Operator | Feb 2026 |
| 4273 | Gaither Petroleum Corporation | Katy, TX 77493 | Oil & Gas Operator | Feb 2026 |
| 4274 | Gala Resources, LTD. | Graham, TX 76450 | Oil & Gas Operator | Nov 2025 |
| 4275 | Galbraith, Dallas S. | Abilene, TX 79601 | Oil & Gas Operator | Feb 1994 |
| 4276 | Gale Enterprises, Inc. | Houston, TX 77258 | Oil & Gas Operator | Apr 2013 |
| 4277 | Galilee Oil Investments LLC | San Antonio, TX 78205 | Oil & Gas Operator | Feb 2026 |
| 4278 | Galindo Brothers, Inc. | Alice, TX 78333 | Oil & Gas Operator | Feb 2026 |
| 4279 | Gallagher Oil | Grandfalls, TX 79742 | Oil Operator | Apr 2025 |
| 4280 | Gallery Petroleum LLC | Houston, TX 77036 | Oil & Gas Operator | Feb 2026 |
| 4281 | Gallo Petroleum, LLC | Colorado City, TX 79512 | Oil Operator | Feb 2026 |
| 4282 | Galloway Energy Co. | Tomball, TX 77377 | Oil & Gas Operator | Feb 2026 |
| 4283 | Galloway Lone Star, L.L.C. | Tomball, TX 77377 | Oil & Gas Operator | Feb 2026 |
| 4284 | Galt Oil & Gas, LLC | Pampa, TX 79065 | Oil & Gas Operator | Apr 2020 |
| 4285 | Galt Petroleum, Inc. | Iowa Park, TX 76367 | Oil Operator | Feb 2026 |
| 4286 | Galveston Bay Energy, LLC | Spring, TX 77386 | Oil & Gas Operator | Jul 2017 |
| 4287 | Galveston Bay Operating Co LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 4288 | Ganador Operating, LLC | Boerne, TX 78006 | Oil & Gas Operator | Feb 2026 |
| 4289 | Ganchos Inc. | Borger, TX 79008 | Oil & Gas Operator | Mar 2007 |
| 4290 | Gannett Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 4291 | Gantt Operating Company, Inc. | Houston, TX 77018 | Oil & Gas Operator | Feb 2026 |
| 4292 | Gantt, Joe, Properties | Electra, TX 76360 | Oil & Gas Operator | Aug 2003 |
| 4293 | Gap Exploration, LTD. | Naples, FL 34110 | Oil & Gas Operator | Jul 2008 |
| 4294 | Gapp Oil & Gas, LLC | Ganado, TX 77962 | Oil & Gas Operator | Feb 2026 |
| 4295 | Garcia, A. H. | San Diego, TX 78384 | Oil & Gas Operator | May 2006 |
| 4296 | Gardner Energy Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 1999 |
| 4297 | Gardner Production, LLC | Decatur, TX 76234 | Oil & Gas Operator | Jul 2023 |
| 4298 | Garrd Oil Company LLC | FT Stockton, TX 79735 | Oil & Gas Operator | Feb 2026 |
| 4299 | Garrett, Dorothy D. | Big Spring, TX 79720 | Oil & Gas Operator | Mar 1995 |
| 4300 | Garrison LTD. | San Antonio, TX 78257 | Oil & Gas Operator | Feb 2026 |