| 1301 | Gulf States Pipeline Corp. | | Oil & Gas Operator | May 2003 |
| 1302 | Gulf States Production Company | Houston, TX 77027 | Oil & Gas Operator | Aug 1997 |
| 1303 | Gulf Tech Energy LLC | | Oil & Gas Operator | Dec 2002 |
| 1304 | Gulf Tide Oil Company, The | Houston, TX 77008 | Oil & Gas Operator | Jun 1999 |
| 1305 | Gulfland Resources, Inc. | | Oil & Gas Operator | Aug 1996 |
| 1306 | Gulfport Appalachia LLC | Oklahoma City, OK 73114-2640 | Oil & Gas Operator | Sep 2025 |
| 1307 | Gulfport Energy Corporation | Oklahoma City, OK 73114-5003 | Oil & Gas Operator | Aug 2025 |
| 1308 | Gulfport Midcon LLC | Oklahoma City, OK 73114-8132 | Oil & Gas Operator | Oct 2025 |
| 1309 | Gulfport Oil & Gas Inc. | Gulfport, MS 39501 | Oil & Gas Operator | Dec 2025 |
| 1310 | Gulfstar Energy Group, LLC | Caneyville, KY 42721 | Oil & Gas Operator | Dec 2023 |
| 1311 | Gulfstar Properties, Inc. | San Antonio, TX 78229 | Oil & Gas Operator | Dec 2025 |
| 1312 | Gulfstream Of Louisiana, Inc. | | Oil & Gas Operator | Jan 1996 |
| 1313 | Gulfstream Petroleum Corp | | Oil & Gas Operator | Feb 2002 |
| 1314 | Gulfstream Resources, Inc. | | Oil & Gas Operator | May 1996 |
| 1315 | Gulftex Energy II, LP | San Antonio, TX 78258 | Oil & Gas Operator | Jan 2013 |
| 1316 | Gulftex Energy III, LP | San Antonio, TX 78257 | Oil & Gas Operator | Jul 2018 |
| 1317 | Gulftex Energy IV, LP | San Antonio, TX 78257 | Oil & Gas Operator | Jul 2019 |
| 1318 | Gulftex Energy, LLC | San Antonio, TX 78257 | Oil & Gas Operator | Dec 2025 |
| 1319 | Gulftex Operating Inc | Plano, TX 75093 | Oil & Gas Operator | Dec 2025 |
| 1320 | Gulick Drilling , Inc. | Eureka, KS 67045 | Oil Operator | Jun 2025 |
| 1321 | Gumfory, Shawn | Iola, KS 66749 | Oil Operator | Jul 1998 |
| 1322 | Gungoll Carl E Estate | Oklahoma City, OK 73154-0466 | Oil & Gas Operator | Aug 2000 |
| 1323 | Gungoll Henry H. Associates | Enid, OK 73701 | Oil & Gas Operator | Jun 2025 |
| 1324 | Gungoll, Carl E. Exploration LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2025 |
| 1325 | Gunkel Charley Wayne Rev Inter VIvos Trust | Schulter, OK 74460-0010 | Gas Operator | Dec 2015 |
| 1326 | Gunn And Divers | Mount Zion, WV 26151 | Oil & Gas Operator | Dec 2021 |
| 1327 | Gunn Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Dec 2025 |
| 1328 | Gunn, P. P., Estate Heirs | | Oil & Gas Operator | Dec 2008 |
| 1329 | Gunner Energy Corp. | Troy, MI 48083 | Oil & Gas Operator | Jun 1995 |
| 1330 | Gunner Oil Company | Wichita, KS 67205 | Oil & Gas Operator | Jun 2025 |
| 1331 | Gunnison Energy LLC | | Oil & Gas Operator | Oct 2025 |
| 1332 | Gunsight Energy Inc | Floydada, TX 79235-2521 | Oil Operator | Jun 2009 |
| 1333 | Gunsight Supply Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |
| 1334 | Gunsmoke Energy Company | Fort Worth, TX 76132 | Oil & Gas Operator | May 2012 |
| 1335 | Gunter Jim | Springer, OK 73458 | Oil Operator | Sep 2025 |
| 1336 | Gupton Gas Co. | Fort Worth, TX 76107 | Oil & Gas Operator | Aug 1994 |
| 1337 | Gurley & Associates, Inc. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Apr 1995 |
| 1338 | Gurley Oil Co | Kirtland, NM 87417 | Oil Operator | Dec 1995 |
| 1339 | Gurnee Gas Co., L.L.C. | | Gas Operator | Jul 2001 |
| 1340 | Gus Jones Cable Tool Service, LLC | Elk City, KS 67344 | Oil Operator | Nov 2024 |
| 1341 | Gusher Oil | | Oil Operator | Jul 2004 |
| 1342 | Gustafson Brothers Inc. | | Oil & Gas Operator | Dec 2002 |
| 1343 | Gustafson Family Trust 2 | Frewsburg, NY 14738 | Gas Operator | Dec 2024 |
| 1344 | Gustafson, Alan | Falconer, NY 14733 | Gas Operator | Dec 2024 |
| 1345 | Gustison Steven | | Oil Operator | Feb 1985 |
| 1346 | Guthrie Clare L And June | | Oil Operator | Nov 2021 |
| 1347 | Guthrie Oil Co | | Oil Operator | Nov 1994 |
| 1348 | Guthrie Oil Comp | | Oil & Gas Operator | Dec 1994 |
| 1349 | Guthrie, A. K. Operating Co. | Big Spring, TX 79720 | Oil & Gas Operator | Mar 1996 |
| 1350 | Guyan Gas Producers, Inc. | Oceana, WV 24870 | Gas Operator | Dec 2018 |
| 1351 | Guynes And Backus | | Oil Operator | Nov 1999 |
| 1352 | Guys Oil & Gas LTD Co | Hobbs, NM 88241 | Oil & Gas Operator | Dec 2019 |
| 1353 | Guzman Energy Inc. | | Oil & Gas Operator | Oct 2025 |
| 1354 | GVC Ventures | Mineola, TX 75773 | Oil & Gas Operator | Oct 2025 |
| 1355 | GW Energy, Inc. | Midland, TX 79710 | Oil Operator | Dec 2025 |
| 1356 | GW Investments, LLC | Mustang, OK 73064 | Oil Operator | Sep 2025 |
| 1357 | GW Petroleum Inc | Houston, TX 77002 | Oil & Gas Operator | Apr 1993 |
| 1358 | GWB Oil & Gas LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2024 |
| 1359 | Gwet, Inc. | Merkel, TX 79536 | Oil Operator | Dec 2025 |
| 1360 | Gwitt, Edward J. | Eden, NY 14057 | Gas Operator | Dec 2024 |
| 1361 | GWM Operating Company, LLC | Sugar Land, TX 77496 | Oil & Gas Operator | Dec 2025 |
| 1362 | Gyb-Britlind Oil, LLC | | Oil & Gas Operator | Jun 2016 |
| 1363 | Gypsy Exploration LLC | Oklahoma City, OK 73123-1323 | Oil & Gas Operator | Dec 2014 |
| 1364 | Gypsy Highview Gathering System, Inc. | Cut Bank, MT 59427-0250 | Oil & Gas Operator | Oct 2000 |
| 1365 | Gypsy Oil Co. | Austin, TX 78720 | Oil & Gas Operator | Jul 2017 |
| 1366 | Gypsyglenn Oil Company LLC | Tulsa, OK 74119-4809 | Oil & Gas Operator | Oct 2025 |
| 1367 | Gyro Petroleum | Amarillo, TX 79120 | Oil & Gas Operator | Dec 2025 |