| 1 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 2 | Geomark Resources, L.L.C. | Lubbock, TX 79453 | Oil & Gas Operator | Oct 2025 |
| 3 | Gibbs Drilling Co. | Iraan, TX 79744 | Oil & Gas Operator | Mar 2008 |
| 4 | Gilliam'S Aghorn Energy | Odessa, TX 79768 | Oil & Gas Operator | May 1997 |
| 5 | Gouger Oil Co. | San Antonio, TX 78217 | Oil & Gas Operator | Nov 1995 |
| 6 | GP Operating LLC | Roby, TX 79543 | Gas Operator | Oct 2025 |
| 7 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
| 8 | Graham, Bill J. Oil & Gas Corp. | Midland, TX 79710 | Oil & Gas Operator | Nov 2000 |
| 9 | Grasha, Matthew P. | Midland, TX 79709 | Oil & Gas Operator | Feb 1995 |
| 10 | GRB Properties, Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2003 |
| 11 | Great Northern Energy, Inc | Irving, TX 75039 | Oil & Gas Operator | Oct 2025 |
| 12 | Great Western Drilling Co | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 13 | Green Century Exp & Prod, LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 14 | Green, Roy W. Oil & Gas | San Angelo, TX 76902 | Oil & Gas Operator | Jun 2021 |
| 15 | Gresham Oil & Gas (USA) Inc. | Littleton, CO 80122 | Oil & Gas Operator | Jan 1999 |
| 16 | Grizzly Op Of Delaware, LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2021 |
| 17 | Grover-McKinney Oil Company | Midland, TX 79702 | Oil & Gas Operator | Aug 2003 |
| 18 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 19 | GTG Operating, LLC | Tyler, TX 75702 | Oil & Gas Operator | Oct 2025 |