| 1 | G N K Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Aug 2020 |
| 2 | Garrison Operating, L.L.C. | Tomball, TX 77375 | Oil & Gas Operator | Oct 2025 |
| 3 | Gary Production Company | Carthage, TX 75633 | Gas Operator | Oct 2025 |
| 4 | Gel Petroleum, Inc. | Bay City, TX 77414 | Oil & Gas Operator | Oct 2025 |
| 5 | Genecov Group, Inc. The | Tyler, TX 75713 | Oil & Gas Operator | Dec 2002 |
| 6 | GGP Exploration, LTD. | Fort Worth, TX 76101 | Oil & Gas Operator | Oct 2025 |
| 7 | Glade Production | Gladewater, TX 75647 | Oil & Gas Operator | Nov 2008 |
| 8 | Glassell Producing Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 9 | Glassell, Alfred C., Jr. | Houston, TX 77002 | Oil & Gas Operator | Apr 2007 |
| 10 | GMX Resources, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2014 |
| 11 | Goldsberry Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Aug 2020 |
| 12 | Goldsmith Operating, LLC | Tyler, TX 75711 | Oil & Gas Operator | Oct 2025 |
| 13 | Goldsmith, J. Paul | Tyler, TX 75711 | Oil & Gas Operator | Feb 1997 |
| 14 | Goldsmith, Neta R. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2009 |
| 15 | Goldston Oil Corporation | Houston, TX 77257 | Oil & Gas Operator | Oct 2025 |
| 16 | Goodrich Oil Company | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2001 |
| 17 | Goodrich Petroleum Company | Houston, TX 77002 | Oil & Gas Operator | Feb 2022 |
| 18 | Goodwill, G. R. | Shreveport, LA 71107 | Oil & Gas Operator | Oct 2025 |
| 19 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
| 20 | Graward Operating, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Oct 2025 |
| 21 | Graystone Energy Corporation | Judson, TX 75660 | Oil & Gas Operator | Oct 2025 |
| 22 | Green River Resources Inc. | Keystone, CO 80435 | Oil & Gas Operator | Oct 2025 |
| 23 | Griffith Resources | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2013 |
| 24 | Grigsby Petroleum Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Oct 2025 |
| 25 | Grigsby, Jack W. | Shreveport, LA 71101 | Oil & Gas Operator | Jan 2002 |
| 26 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 27 | Guest Petroleum Incorporated | Edmond, OK 73013 | Oil & Gas Operator | Jul 2025 |
| 28 | Gulftex Operating Inc | Plano, TX 75093 | Oil & Gas Operator | Oct 2025 |