| 12301 | Gungoll Carl E Estate | Oklahoma City, OK 73154-0466 | Oil & Gas Operator | Aug 2000 |
| 12302 | Gungoll Henry H. Associates | Enid, OK 73701 | Oil & Gas Operator | Jun 2025 |
| 12303 | Gungoll, Carl E. Exploration LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Feb 2026 |
| 12304 | Gunkel Charley Wayne Rev Inter VIvos Trust | Schulter, OK 74460-0010 | Gas Operator | Dec 2015 |
| 12305 | Gunn And Divers | Mount Zion, WV 26151 | Oil & Gas Operator | Dec 2021 |
| 12306 | Gunn Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 12307 | Gunn, P. P., Estate Heirs | | Oil & Gas Operator | Dec 2008 |
| 12308 | Gunner Energy Corp. | Troy, MI 48083 | Oil & Gas Operator | Jun 1995 |
| 12309 | Gunner Oil Company | Wichita, KS 67205 | Oil & Gas Operator | Sep 2025 |
| 12310 | Gunnison Energy LLC | | Oil & Gas Operator | Oct 2025 |
| 12311 | Gunsight Energy Inc | Floydada, TX 79235-2521 | Oil Operator | Jun 2009 |
| 12312 | Gunsight Supply Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |
| 12313 | Gunsmoke Energy Company | Fort Worth, TX 76132 | Oil & Gas Operator | May 2012 |
| 12314 | Gunter Jim | Springer, OK 73458 | Oil Operator | Sep 2025 |
| 12315 | Gunvor USA LLC | Houston, TX 77002 | Oil Operator | Apr 2007 |
| 12316 | Gupton Gas Co. | Fort Worth, TX 76107 | Oil & Gas Operator | Aug 1994 |
| 12317 | Gurley & Associates, Inc. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Apr 1995 |
| 12318 | Gurley Oil Co | Kirtland, NM 87417 | Oil Operator | Dec 1995 |
| 12319 | Gurnee Gas Co., L.L.C. | | Gas Operator | Jul 2001 |
| 12320 | Gus Jones Cable Tool Service, LLC | Elk City, KS 67344 | Oil Operator | Aug 2025 |
| 12321 | Gusher Oil | | Oil Operator | Jul 2004 |
| 12322 | Gustafson Brothers Inc. | | Oil & Gas Operator | Dec 2002 |
| 12323 | Gustafson Family Trust 2 | Frewsburg, NY 14738 | Gas Operator | Dec 2024 |
| 12324 | Gustafson, Alan | Falconer, NY 14733 | Gas Operator | Dec 2024 |
| 12325 | Gustison Steven | | Oil Operator | Feb 1985 |
| 12326 | Guthrie Clare L And June | | Oil Operator | Nov 2021 |
| 12327 | Guthrie Oil Co | | Oil Operator | Nov 1994 |
| 12328 | Guthrie Oil Comp | | Oil & Gas Operator | Dec 1994 |
| 12329 | Guthrie, A. K. Operating Co. | Big Spring, TX 79720 | Oil & Gas Operator | Mar 1996 |
| 12330 | Guyan Gas Producers, Inc. | Oceana, WV 24870 | Gas Operator | Dec 2018 |
| 12331 | Guynes And Backus | | Oil Operator | Nov 1999 |
| 12332 | Guys Oil & Gas LTD Co | Hobbs, NM 88241 | Oil & Gas Operator | Dec 2019 |
| 12333 | Guzman Energy Inc. | | Oil & Gas Operator | Oct 2025 |
| 12334 | GVC Ventures | Mineola, TX 75773 | Oil & Gas Operator | Oct 2025 |
| 12335 | GW Energy, Inc. | Midland, TX 79710 | Oil Operator | Feb 2026 |
| 12336 | GW Investments, LLC | Mustang, OK 73064 | Oil Operator | Oct 2025 |
| 12337 | GW Petroleum Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 1993 |
| 12338 | GWB Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 12339 | Gwet, Inc. | Merkel, TX 79536 | Oil Operator | Feb 2026 |
| 12340 | Gwitt, Edward J. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 12341 | GWM Operating Company, LLC | Sugar Land, TX 77496 | Oil & Gas Operator | Feb 2026 |
| 12342 | Gyb-Britlind Oil, LLC | | Oil & Gas Operator | Jun 2016 |
| 12343 | Gypsy Exploration LLC | Oklahoma City, OK 73123-1323 | Oil & Gas Operator | Dec 2014 |
| 12344 | Gypsy Highview Gathering System, Inc. | Cut Bank, MT 59427-0250 | Oil & Gas Operator | Oct 2000 |
| 12345 | Gypsy Oil Co. | Austin, TX 78720 | Oil & Gas Operator | Jul 2017 |
| 12346 | Gypsyglenn Oil Company LLC | Tulsa, OK 74119-4809 | Oil & Gas Operator | Nov 2025 |
| 12347 | Gyro Petroleum | Amarillo, TX 79120 | Oil & Gas Operator | Feb 2026 |
| 12348 | H & A Drilling | Newark, OH 43056 | Oil Operator | Dec 2024 |
| 12349 | H & B Petroleum Corp. | Hutchinson, KS 67504 | Oil & Gas Operator | Sep 2025 |
| 12350 | H & B Production | | Oil Operator | Mar 1995 |
| 12351 | H & B Well Service, Inc. | | Oil & Gas Operator | Aug 1993 |
| 12352 | H & C Oil Operat | | Oil & Gas Operator | Dec 1996 |
| 12353 | H & C Oil Operating Inc. | Plainville, KS 67663 | Oil & Gas Operator | Sep 2025 |
| 12354 | H & D Drilling Co Inc | Frazeysburg, OH 43822 | Oil & Gas Operator | Dec 2024 |
| 12355 | H & D Exploration LLC | Hoisington, KS 67544 | Oil & Gas Operator | Sep 2025 |
| 12356 | H & D Operating Company | Refugio, TX 78377 | Oil & Gas Operator | May 2015 |
| 12357 | H & H & S Oil Producers | | Oil Operator | Jan 2025 |
| 12358 | H & H Compressors, Inc. | | Oil & Gas Operator | Oct 1997 |
| 12359 | H & H Drilling Company | Davis, OK 73030-2703 | Oil & Gas Operator | May 2014 |
| 12360 | H & H Energy Inc | Tuttle, OK 73089 | Oil Operator | May 2001 |
| 12361 | H & H Energy Of Ohio LTD | Zanesville, OH 43701 | Oil & Gas Operator | Dec 2024 |
| 12362 | H & H Exploration | Tulsa, OK 74132 | Oil & Gas Operator | Jan 2006 |
| 12363 | H & H Oil Co. #1 | | Oil Operator | Jan 2025 |
| 12364 | H & H Oil Compan | | Oil & Gas Operator | Aug 1995 |
| 12365 | H & H Oil Company | | Oil & Gas Operator | Sep 2025 |
| 12366 | H & H Oil Company, A General Partnership | Plainville, KS 67663 | Oil Operator | Feb 1997 |
| 12367 | H & H Oil Producers | | Oil & Gas Operator | Jan 2025 |
| 12368 | H & H Oil Productions | Tulsa, OK 74145 | Oil Operator | Jul 1999 |
| 12369 | H & H Oil, LLC | Lincolnville, KS 66858 | Oil Operator | Sep 2025 |
| 12370 | H & H Operating | Olney, TX 76374 | Oil & Gas Operator | Feb 2026 |
| 12371 | H & H Petroleum, LLC | San Antonio, TX 78213 | Oil Operator | Feb 2026 |
| 12372 | H & H Production | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2015 |
| 12373 | H & H Production Company | Muenster, TX 76252 | Oil & Gas Operator | Oct 2005 |
| 12374 | H & H Production, Inc. | Topeka, KS 66614 | Oil Operator | May 1997 |
| 12375 | H & H Star Energy Inc | Traverse City, MI 49684 | Oil & Gas Operator | Aug 2016 |
| 12376 | H & H Supply Inc | | Gas Operator | Mar 1985 |
| 12377 | H & K Energy Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1991 |
| 12378 | H & K Oil Company | Kilgore, TX 75662 | Oil & Gas Operator | Nov 1998 |
| 12379 | H & K Oil Company (A) | Luling, TX 78648 | Oil Operator | Feb 2026 |
| 12380 | H & L Exploration Company, LLC | Amarillo, TX 79114 | Oil & Gas Operator | Feb 2026 |
| 12381 | H & L Gas Co. | Sunray, TX 79086 | Gas Operator | Apr 2018 |
| 12382 | H & L Operating Co., L.L.P. | Amarillo, TX 79114 | Oil & Gas Operator | Aug 2022 |
| 12383 | H & L Operating Co., LLC | Amarillo, TX 79114 | Oil & Gas Operator | Mar 2021 |
| 12384 | H & L Operating Company | Amarillo, TX 79114 | Oil & Gas Operator | Feb 2020 |
| 12385 | H & L Operators | | Oil & Gas Operator | Dec 2002 |
| 12386 | H & L Oprerating Company LLP | Amarillo, TX 79114 | Oil & Gas Operator | Nov 2019 |
| 12387 | H & M Oil Producers | Littleton, CO 80160 | Oil & Gas Operator | Apr 2000 |
| 12388 | H & M Packers Serv. L.L.C. | | Oil Operator | Dec 2019 |
| 12389 | H & M Petroleum Corporation | Lincoln, NE 68516 | Oil & Gas Operator | Jun 2025 |
| 12390 | H & M Productions L.L.C. | Overland Park, KS 66210 | Oil Operator | May 1998 |
| 12391 | H & M Resources LLC | Dallas, TX 75225 | Oil & Gas Operator | Feb 2026 |
| 12392 | H & N Operating Co., Inc. | | Oil & Gas Operator | Oct 1997 |
| 12393 | H & O Oil Co. | | Oil & Gas Operator | Dec 1989 |
| 12394 | H & O Operating Co | Odessa, TX 79764 | Oil & Gas Operator | Mar 2008 |
| 12395 | H & P Exploration Co. | Alice, TX 78333 | Oil & Gas Operator | May 2019 |
| 12396 | H & P Partnership | La Vernia, TX 78121 | Oil Operator | Feb 2026 |
| 12397 | H & R Expl & Production Inc | Sidney, NE 69162 | Oil Operator | May 2007 |
| 12398 | H & R Exploratio | | Oil Operator | Feb 1992 |
| 12399 | H & R Oil Company | | Oil & Gas Operator | Dec 2000 |
| 12400 | H & R Well Services, Inc. | FT Morgan, CO 80701 | Oil & Gas Operator | Apr 2015 |