| 1 | G E Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2020 |
| 2 | Galveston Bay Energy, LLC | Spring, TX 77386 | Oil & Gas Operator | Jul 2017 |
| 3 | Galveston Bay Operating Co LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 4 | Gary Oil & Gas | Deer Park, TX 77536 | Oil & Gas Operator | Dec 2025 |
| 5 | Gasper Rice & Associates, Inc. | Houston, TX 77084 | Oil & Gas Operator | Aug 2003 |
| 6 | Gasper Rice Resources, LTD. | Houston, TX 77068 | Oil & Gas Operator | Dec 2025 |
| 7 | Gcows Operating LLC | Montgomery, TX 77356 | Oil Operator | Dec 2025 |
| 8 | Goldking Operating Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Jun 2007 |
| 9 | Goldking Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 10 | Goldston Oil Corporation | Houston, TX 77257 | Oil & Gas Operator | Dec 2025 |
| 11 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
| 12 | Great Northern Energy, Inc | Irving, TX 75039 | Oil & Gas Operator | Dec 2025 |
| 13 | Greenhill Petroleum Corporation | Houston, TX 77077 | Oil & Gas Operator | Jan 1998 |
| 14 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 15 | Guidry, J.R. | High Island, TX 77623 | Oil Operator | Dec 2025 |