| 1 | G & K Operating, LLC | Poth, TX 78147 | Oil & Gas Operator | Dec 2024 |
| 2 | Galloway Energy Co. | Tomball, TX 77377 | Oil & Gas Operator | Dec 2024 |
| 3 | Genesis Well Service | Colleyville, TX 76034 | Oil Operator | Dec 2024 |
| 4 | Geo-Graphic Production, Inc. | Gonzales, TX 78629 | Oil & Gas Operator | Dec 2024 |
| 5 | Geosouthern Energy Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2024 |
| 6 | Gifford Operating Company | Dallas, TX 75206 | Oil & Gas Operator | Jul 2003 |
| 7 | Ginger Petroleum Company, Inc. | La Grange, TX 78945 | Oil & Gas Operator | Dec 2024 |
| 8 | Glade Operating, LLC | San Antonio, TX 78280 | Oil Operator | Dec 2024 |
| 9 | Goldking Operating Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Jun 2007 |
| 10 | Goldking Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 11 | Grand Operating, Inc. | Addison, TX 75001 | Oil & Gas Operator | Dec 2020 |
| 12 | Granite Crossing, LLC | Austin, TX 78716 | Oil Operator | Dec 2024 |
| 13 | Greenwerks Outdoor Services LLC | Stockdale, TX 78160 | Oil Operator | Dec 2024 |
| 14 | Guest Petroleum Incorporated | Edmond, OK 73013 | Oil & Gas Operator | Oct 2024 |
| 15 | Gulf Tide Oil Company, The | Houston, TX 77008 | Oil & Gas Operator | Jun 1999 |
| 16 | Gulfmark Energy Inc | Houston, TX 77027 | Gas Operator | Apr 2023 |
| 17 | Gulftex Energy II, LP | San Antonio, TX 78258 | Oil & Gas Operator | Jan 2013 |
| 18 | Gulftex Energy III, LP | San Antonio, TX 78257 | Oil & Gas Operator | Jul 2018 |
| 19 | Gulftex Energy IV, LP | San Antonio, TX 78257 | Oil & Gas Operator | Jul 2019 |
| 20 | Gulftex Energy, LLC | San Antonio, TX 78257 | Oil & Gas Operator | Dec 2024 |