| 1 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
| 2 | Geosurveys, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 3 | GGP Exploration, LTD. | Fort Worth, TX 76101 | Oil & Gas Operator | Oct 2025 |
| 4 | Global West Exploration Inc. | Houston, TX 77229 | Oil & Gas Operator | Dec 1995 |
| 5 | Glossop Oil & Gas, LLC | Midland, TX 79704 | Oil & Gas Operator | Jul 2025 |
| 6 | Glossop, Robert L. | Midland, TX 79704 | Oil & Gas Operator | Sep 2007 |
| 7 | Glossop, Robert L. Estate | Midland, TX 79704 | Oil & Gas Operator | Feb 2018 |
| 8 | Golden Resources Corporation | Dallas, TX 75238 | Oil & Gas Operator | Dec 1998 |
| 9 | Golden Specialties Oil & Gas | Midland, TX 79708 | Oil & Gas Operator | Oct 2025 |
| 10 | Goldston Oil Corporation | Houston, TX 77257 | Oil & Gas Operator | Oct 2025 |
| 11 | Goodnight Midstream Permian, LLC | Dallas, TX 75206 | Oil & Gas Operator | Oct 2025 |
| 12 | Gouger Oil Co. | San Antonio, TX 78217 | Oil & Gas Operator | Nov 1995 |
| 13 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
| 14 | Grand Banks Energy Company | Fort Worth, TX 76102 | Oil & Gas Operator | Aug 2025 |
| 15 | Grayrock Energy II, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Oct 2025 |
| 16 | Great Basin Petroleum Serv, L.P. | Odessa, TX 79765 | Oil & Gas Operator | Jul 2008 |
| 17 | Great Basin Well Service Corp. | Odessa, TX 79765 | Oil & Gas Operator | Feb 2025 |
| 18 | Great Western Drilling Co | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 19 | Green, Roy W. Oil & Gas | San Angelo, TX 76902 | Oil & Gas Operator | Jun 2021 |
| 20 | Greenstone Energy, LLC | Houston, TX 77208 | Oil Operator | Oct 2025 |
| 21 | Griffin Petroleum Company | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 22 | Grover-McKinney Oil Company | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 23 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 24 | Guest Petroleum Incorporated | Edmond, OK 73013 | Oil & Gas Operator | Jul 2025 |