| 1 | Gap Exploration, LTD. | Naples, FL 34110 | Oil & Gas Operator | Jul 2008 |
| 2 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
| 3 | Geomark Resources, L.L.C. | Lubbock, TX 79453 | Oil & Gas Operator | Dec 2024 |
| 4 | Giant NRG Co., LP | Dallas, TX 75230 | Oil & Gas Operator | Dec 2024 |
| 5 | Giebel Petroleum LTD. | Midland, TX 79705 | Oil & Gas Operator | Jul 2019 |
| 6 | Gilliam'S Aghorn Energy | Odessa, TX 79768 | Oil & Gas Operator | May 1997 |
| 7 | Goodnight Midstream Permian, LLC | Dallas, TX 75206 | Oil & Gas Operator | Dec 2024 |
| 8 | Goodrich Pet. Co. Of Louisiana | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 9 | Goodrich Petroleum Co. II, LLC | Houston, TX 77002 | Oil & Gas Operator | Aug 2002 |
| 10 | Goodrich Petroleum Company | Houston, TX 77002 | Oil & Gas Operator | Feb 2022 |
| 11 | Grace Petroleum LP | Midland, TX 79708 | Oil & Gas Operator | May 2016 |
| 12 | Grace Petroleum Operating, LLC | Llano, TX 78643 | Oil & Gas Operator | Dec 2024 |
| 13 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
| 14 | Graham, Bill J. Oil & Gas Corp. | Midland, TX 79710 | Oil & Gas Operator | Nov 2000 |
| 15 | Grand Banks Energy Company | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2024 |
| 16 | Grand Gulf Production, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Dec 1997 |
| 17 | Great Texas Crude Inc. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Dec 2024 |
| 18 | Great Western Drilling Co | Midland, TX 79701 | Oil & Gas Operator | Dec 2024 |
| 19 | Griffin Petroleum Company | Midland, TX 79705 | Oil & Gas Operator | Dec 2024 |
| 20 | Grizzly Op Of Delaware, LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2021 |
| 21 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 22 | Gulfmark Energy Inc | Houston, TX 77027 | Gas Operator | Apr 2023 |
| 23 | Gungoll, Carl E. Exploration LLC | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2024 |