| 1 | G E Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2020 |
| 2 | G P II Energy, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2020 |
| 3 | Gap Exploration, LTD. | Naples, FL 34110 | Oil & Gas Operator | Jul 2008 |
| 4 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
| 5 | Goodnight Midstream Permian, LLC | Dallas, TX 75206 | Oil & Gas Operator | Oct 2025 |
| 6 | Gothic Energy Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jul 2015 |
| 7 | Gothic Production Corporation | Oklahoma City, OK 73154 | Oil & Gas Operator | Dec 2016 |
| 8 | Grace Petroleum Operating, LLC | Llano, TX 78643 | Oil & Gas Operator | Oct 2025 |
| 9 | Graham, Bill J. Oil & Gas Corp. | Midland, TX 79710 | Oil & Gas Operator | Nov 2000 |
| 10 | GRB Properties, Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2003 |
| 11 | Great Western Drilling Co | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 12 | Greenlake Energy Operating, LLC | Austin, TX 78746 | Oil & Gas Operator | Oct 2025 |
| 13 | Griffin Petroleum Company | Midland, TX 79705 | Oil & Gas Operator | Oct 2025 |
| 14 | Grizzly Op Of Delaware, LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2021 |
| 15 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 16 | Guest Petroleum Incorporated | Edmond, OK 73013 | Oil & Gas Operator | Jul 2025 |