| 1 | Gaea Services, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Sep 2021 |
| 2 | Gaither Petroleum Corporation | Katy, TX 77493 | Oil & Gas Operator | Oct 2025 |
| 3 | Galilee Oil Investments LLC | San Antonio, TX 78205 | Oil & Gas Operator | Oct 2025 |
| 4 | Galloway Lone Star, L.L.C. | Tomball, TX 77377 | Oil & Gas Operator | Oct 2025 |
| 5 | Gec Operating, Inc. | Houston, TX 77024 | Oil & Gas Operator | Oct 2025 |
| 6 | Geiser, D. Allen | Portland, TX 78374 | Oil & Gas Operator | Oct 2005 |
| 7 | Gemarmi Inc. | Cypress, TX 77433 | Oil & Gas Operator | Oct 2025 |
| 8 | Genesis Producing Company | Houston, TX 77024 | Oil & Gas Operator | Oct 2007 |
| 9 | Geodominion Petroleum | Corpus Chrsti, TX 78403 | Oil & Gas Operator | May 2012 |
| 10 | Gilster, Ralph R. III | Victoria, TX 77901 | Oil & Gas Operator | Jun 2004 |
| 11 | Glori Energy Holdings Inc. | Houston, TX 77053 | Oil & Gas Operator | Jan 2017 |
| 12 | Glori Energy Production LLC | Houston, TX 77027 | Oil & Gas Operator | Apr 2018 |
| 13 | Goldking Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 14 | Goldston Oil Corporation | Houston, TX 77257 | Oil & Gas Operator | Oct 2025 |
| 15 | Goodrich Oil Company | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2001 |
| 16 | Great Bay Operations, LLC | Portsmouth, NH 03801 | Oil & Gas Operator | Nov 2016 |
| 17 | Greenbrier Oper. Co. | Dallas, TX 75229 | Oil & Gas Operator | Feb 2001 |
| 18 | Greta Operating Company LLC | Refugio, TX 78377 | Oil & Gas Operator | Oct 2025 |
| 19 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |