| 1 | G & M Gas & Oil | Midland, TX 79701 | Oil & Gas Operator | Jun 1998 |
| 2 | Gallo Petroleum, LLC | Colorado City, TX 79512 | Oil Operator | Mar 2025 |
| 3 | Gap Exploration, LTD. | Naples, FL 34110 | Oil & Gas Operator | Jul 2008 |
| 4 | Gardner Energy Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 1999 |
| 5 | Garrett, Dorothy D. | Big Spring, TX 79720 | Oil & Gas Operator | Mar 1995 |
| 6 | Germany Operating Company | Houston, TX 77090 | Oil & Gas Operator | Sep 2011 |
| 7 | Gideon Operating | Coleman, TX 76834 | Oil & Gas Operator | Mar 2025 |
| 8 | Gilmore Oil & Gas | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 9 | GNG Operating LLC | Graham, TX 76450 | Oil Operator | Mar 2025 |
| 10 | Golden Specialties Oil & Gas | Midland, TX 79708 | Oil & Gas Operator | Mar 2025 |
| 11 | Goodrich, John S. | Midland, TX 79705 | Oil & Gas Operator | Sep 1996 |
| 12 | Gouger Oil Co. | San Antonio, TX 78217 | Oil & Gas Operator | Nov 1995 |
| 13 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
| 14 | Graham, Bill J. Oil & Gas Corp. | Midland, TX 79710 | Oil & Gas Operator | Nov 2000 |
| 15 | Grayrock Energy II, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Mar 2025 |
| 16 | Great Western Drilling Co | Midland, TX 79701 | Oil & Gas Operator | Mar 2025 |
| 17 | Grenadier Energy Partners II,LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Dec 2020 |
| 18 | Griffin Petroleum Company | Midland, TX 79705 | Oil & Gas Operator | Mar 2025 |
| 19 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 20 | GTG Operating, LLC | Tyler, TX 75702 | Oil & Gas Operator | Mar 2025 |
| 21 | Guest R E Oil Producer | Edmond, OK 73083-0805 | Oil & Gas Operator | Mar 2015 |
| 22 | Gulf Coast Fuel Resources LLC | The Woodlands, TX 77380 | Oil Operator | Jan 2022 |
| 23 | Guthrie, A. K. Operating Co. | Big Spring, TX 79720 | Oil & Gas Operator | Mar 1996 |