| 301 | Five States Operating Company | Dallas, TX 75206 | Oil & Gas Operator | Feb 2008 |
| 302 | Flare Oil Inc | Rockport, TX 78382 | Oil & Gas Operator | Dec 2025 |
| 303 | Flat Top Operating, LLC | Midland, TX 79707 | Oil & Gas Operator | Dec 2025 |
| 304 | Flint Oak Energy, LLC | Montgomery, TX 77356 | Oil & Gas Operator | Dec 2025 |
| 305 | Floyd Operating Company | Houston, TX 77002 | Oil & Gas Operator | Jul 2004 |
| 306 | Forcenergy Inc | Miami, FL 33129 | Oil & Gas Operator | Mar 2015 |
| 307 | Forest Oil Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 308 | Forest Oil Permian Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 309 | Forge Energy, LLC | San Antonio, TX 78249 | Oil & Gas Operator | Apr 2019 |
| 310 | Fortune Operating Company | Willis, TX 77378 | Oil & Gas Operator | Dec 2025 |
| 311 | Forty Acres Energy, LLC | Houston, TX 77079173 | Oil & Gas Operator | Oct 2025 |
| 312 | Fossil Fuel Inc | Dallas, TX BAD ADDR | Oil & Gas Operator | Dec 1998 |
| 313 | Foundation Energy Management, LLC | Addison, TX 75001 | Oil & Gas Operator | Dec 2025 |
| 314 | Frisco Energy, L.L.C. | Tulsa, OK 74105 | Oil & Gas Operator | Oct 2025 |
| 315 | Fulfer Oil & Cattle LLC | Jal, NM 88252 | Oil & Gas Operator | Oct 2025 |
| 316 | G & G Oil And Gas, LLC | Hobbs, NM 88240 | Oil & Gas Operator | Jul 2021 |
| 317 | G And C Operating, LLC | Artesia, NM 88211 | Oil & Gas Operator | Oct 2025 |
| 318 | G P II Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2020 |
| 319 | Gandy Corp | Lovington, NM 88267 | Oil & Gas Operator | Sep 2008 |
| 320 | Gecko Inc. | Dallas, TX 75201 | Oil & Gas Operator | Aug 2006 |
| 321 | General New Mexico Inc. | Artesia, NM 882110385 | Oil Operator | Apr 1998 |
| 322 | Germany Oil Company | Tulsa, OK 74135 | Oil & Gas Operator | Oct 2002 |
| 323 | Germany Operating Company | Houston, TX 77090 | Oil & Gas Operator | Sep 2011 |
| 324 | Gillespie Oil Inc | Midland, TX 79701 | Oil & Gas Operator | Feb 2001 |
| 325 | Glen Plemons | Lovington, NM BADADDR | Oil Operator | Jul 2005 |
| 326 | Glenn And VIckie Crenshaw | Lovington, NM 88260 | Oil & Gas Operator | Aug 2002 |
| 327 | GMT Exploration Company LLC | Denver, CO 80202 | Oil & Gas Operator | Nov 2025 |
| 328 | GMX Resources, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2014 |
| 329 | Grand Banks Energy Company | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2025 |
| 330 | Great Western Drilling Company | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 331 | Great Western Onshore Inc | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 332 | Greenhill Petroleum Corporation | Houston, TX 77077 | Oil & Gas Operator | Jan 1998 |
| 333 | Greenville Operating Company | Dallas, TX 75206 | Oil & Gas Operator | Oct 1996 |
| 334 | Griffin Petroleum Company | Midland, TX 79705 | Oil & Gas Operator | Dec 2025 |
| 335 | Grizzly Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Oct 2025 |
| 336 | Grover-McKinney Oil Company | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 337 | Guadalupe Operating LLP | Midland, TX 79701 | Oil & Gas Operator | Oct 2013 |
| 338 | Gulf Exploration, LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Nov 2025 |
| 339 | Guys Oil & Gas LTD Co | Hobbs, NM 88241 | Oil & Gas Operator | Dec 2019 |
| 340 | GVC Ventures | Mineola, TX 75773 | Oil & Gas Operator | Oct 2025 |
| 341 | H L Brown Jr | Midland, TX 79702 | Oil & Gas Operator | May 2001 |
| 342 | H L Brown Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 343 | Hal J Rasmussen Oper Inc | Midland, TX 79702 | Oil & Gas Operator | Dec 2014 |
| 344 | Halcon Holdings Inc | Ada, OK 74820 | Oil & Gas Operator | Sep 2025 |
| 345 | Hallador Petroleum LLP | Denver, CO 80264 | Oil & Gas Operator | Feb 2019 |
| 346 | Hanley Petroleum Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2017 |
| 347 | Hanson Operating Company Inc | Roswell, NM 88202 | Oil & Gas Operator | Aug 2025 |
| 348 | Harkey Energy Inc. | Odessa, TX 79762 | Oil & Gas Operator | Feb 2020 |
| 349 | Harris & Walton | Midland, TX 79702 | Oil & Gas Operator | Feb 2004 |
| 350 | Harvard Petroleum Company, LLC | Roswell, NM 88202 | Oil & Gas Operator | Dec 2025 |
| 351 | Harvest Petroleum Partners, LLC | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 352 | Harvey E Yates Company | Roswell, NM 88202 | Oil & Gas Operator | Feb 2015 |
| 353 | Hawkins Oil & Gas Inc | Tulsa, OK 74103 | Oil & Gas Operator | Dec 2016 |
| 354 | Headington Oil Company LLC | Dallas, TX 75204 | Oil & Gas Operator | Apr 2016 |
| 355 | Hec Petroleum, Inc | Midland, TX 79705 | Oil & Gas Operator | Mar 2006 |
| 356 | Helemrich & Payne Inc | Iraan, TX 79744 | Oil & Gas Operator | Sep 2002 |
| 357 | Henry Petroleum LP | Midland, TX 79701 | Oil & Gas Operator | Dec 2008 |
| 358 | Heritage Resources, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Feb 2014 |
| 359 | Heritage Standard Corporation | Dallas, TX 75206 | Oil & Gas Operator | Dec 2025 |
| 360 | Herman J Ledbetter | Abilene, TX 79606 | Oil & Gas Operator | Jul 1999 |
| 361 | Herman L Loeb | Lawrenceville, IL 62439 | Oil & Gas Operator | Jul 2009 |
| 362 | Herman L. Loeb LLC | Lawrenceville, IL 62439 | Oil & Gas Operator | Jun 2025 |
| 363 | Hess Corporation | Houston, TX 77010 | Oil & Gas Operator | Aug 2017 |
| 364 | Hexp Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2025 |
| 365 | Hilcorp Energy Company | Houston, TX 77208 | Oil & Gas Operator | Dec 2025 |
| 366 | HK Energy Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2023 |
| 367 | Hondo Drilling Company | Midland, TX 79702 | Oil & Gas Operator | Nov 1996 |
| 368 | Hope Oil Inc | Midland, TX 79702 | Oil & Gas Operator | Oct 2021 |
| 369 | Horizon Oil & Gas Co. | Dallas, TX 75221 | Oil & Gas Operator | Jan 2005 |
| 370 | Horseshoe Operating Inc. | Midland, TX 79701 | Oil & Gas Operator | Jan 2023 |
| 371 | HPPC, Inc. | Midland, TX 79701 | Oil & Gas Operator | Sep 2025 |
| 372 | HRC Inc | Hobbs, NM 88241 | Gas Operator | Jun 2017 |
| 373 | Hudson Oil Company Of Texas | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2025 |
| 374 | Hunt Cimarron Limited Partnership | Roswell, NM 88202 | Oil & Gas Operator | Nov 2025 |
| 375 | Hunt Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Dec 2025 |
| 376 | Hunt Petroleum, Inc. | Houston, TX 772511350 | Oil & Gas Operator | Nov 2002 |
| 377 | I.T. Properties | Arlington, TX 76006 | Oil & Gas Operator | Dec 2025 |
| 378 | Ica Energy Operating, L.L.C. | Odessa, TX 79760 | Oil & Gas Operator | Dec 2025 |
| 379 | Imperial Operating Co., L.L.C. | Midland, TX 79701 | Oil Operator | Sep 2023 |
| 380 | Impetro Oil & Gas, LLC | San Antonio, TX 78258 | Oil & Gas Operator | Jun 2018 |
| 381 | Impetro Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2020 |
| 382 | Inflow Petroleum Resources LP | Dallas, TX 75240 | Oil & Gas Operator | Sep 2008 |
| 383 | Intercoast Oil And Gas | Tulsa, OK 74136 | Oil & Gas Operator | Mar 1997 |
| 384 | Intrepid Operating LTD., Co | Hobbs, NM 88241 | Oil & Gas Operator | Nov 2009 |
| 385 | Invito Operating, LLC | McKinney, TX 75070 | Oil & Gas Operator | Oct 2025 |
| 386 | J & G Enterprise LTD., Co. | Artesia, NM 88211 | Oil & Gas Operator | Nov 1997 |
| 387 | J & J Investments, LLC | Loco Hills, NM 88255 | Oil & Gas Operator | Oct 2025 |
| 388 | J & J Service Inc | Lovington, NM 88260 | Oil & Gas Operator | Oct 2025 |
| 389 | J C Williamson | Midland, TX 79702 | Oil & Gas Operator | May 2013 |
| 390 | J Cleo Thompson | Odessa, TX 79764 | Oil & Gas Operator | Jul 2017 |
| 391 | J F McAdams | Hobbs, NM 88240 | Oil Operator | Dec 2011 |
| 392 | J K R Oil And Gas Inc | Midland, TX BAD ADDR | Oil & Gas Operator | Jan 2003 |
| 393 | J R Cone | Lubbock, TX 79408 | Oil & Gas Operator | Apr 2017 |
| 394 | J R Oil, LTD. Co. | Lubbock, TX 79453 | Oil & Gas Operator | Oct 2025 |
| 395 | J. M. Huber Corp. | Houston, TX 77079 | Oil & Gas Operator | Sep 2004 |
| 396 | Jack Huff | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 397 | Jack Markham | Lubbock, TX 79401 | Oil & Gas Operator | Dec 2015 |
| 398 | Jam Oil LLC | Roswell, NM 88202 | Oil Operator | Jun 2017 |
| 399 | James L Evans | Eunice, NM 88231 | Oil & Gas Operator | Dec 2001 |
| 400 | James N Evans | Eunice, NM 88231 | Oil & Gas Operator | Sep 1997 |