| 1 | G Productions | Snyder, TX 79549 | Oil & Gas Operator | Jun 1998 |
| 2 | Gallo Petroleum, LLC | Colorado City, TX 79512 | Oil Operator | Oct 2025 |
| 3 | Germany Exploration Co | Carrollton, TX 75006 | Oil & Gas Operator | Nov 1986 |
| 4 | Gladson, Willard | Ira, TX 79527 | Oil & Gas Operator | Jun 1998 |
| 5 | Gladson, Willard Estate Of | Odessa, TX 79762 | Oil & Gas Operator | Oct 2025 |
| 6 | Goodrich Pet. Co. Of Louisiana | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 7 | Grace Petroleum Operating, LLC | Llano, TX 78643 | Oil & Gas Operator | Oct 2025 |
| 8 | Gray, Gordon Operator | Snyder, TX 79550 | Oil & Gas Operator | Oct 2025 |
| 9 | Grayrock Corp., The | Dallas, TX 75243 | Oil & Gas Operator | Dec 1999 |
| 10 | Grayrock Energy II, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Oct 2025 |
| 11 | Great Plains Petroleum, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Jun 2025 |
| 12 | Great Texas Crude Inc. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Oct 2025 |
| 13 | Green Light Operating, LLC. | Austin, TX 78746 | Oil Operator | Oct 2025 |
| 14 | Greystone Oil & Gas, LLP | Houston, TX 77057 | Oil & Gas Operator | Dec 2015 |
| 15 | Griffin Energy Holdings, LLC | Plano, TX 75093 | Oil Operator | Oct 2025 |
| 16 | Grizzly Op Of Delaware, LLC | Houston, TX 77057 | Oil & Gas Operator | Mar 2021 |
| 17 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 18 | GTG Operating, LLC | Tyler, TX 75702 | Oil & Gas Operator | Oct 2025 |
| 19 | Gunn Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |