| 1 | G & F Oil, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Oct 2025 |
| 2 | G E Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2020 |
| 3 | G N K Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Aug 2020 |
| 4 | G. A. Hawkins Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 5 | G. S. Properties, Inc. | Arlington, TX 76013 | Oil & Gas Operator | May 1999 |
| 6 | Gago, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 7 | Gala Resources, LTD. | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 8 | Galilee Oil Investments LLC | San Antonio, TX 78205 | Oil & Gas Operator | Oct 2025 |
| 9 | Gannett Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 10 | Gasoco, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2005 |
| 11 | GBF Operating LLC | Morrison, CO 80465 | Oil & Gas Operator | Oct 2025 |
| 12 | GBG Operating Corp. | Wichita Falls, TX 76302 | Oil & Gas Operator | Sep 1998 |
| 13 | Gen-Sher L.L.P. | Bluegrove, TX 76352 | Oil & Gas Operator | Oct 2025 |
| 14 | General Operating Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 15 | Gerry-Mac Oil, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 16 | GGP Exploration, LTD. | Fort Worth, TX 76101 | Oil & Gas Operator | Oct 2025 |
| 17 | Ginnings Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2025 |
| 18 | Glenn Supply Company, Inc. | Tulsa, OK 74101 | Oil & Gas Operator | Jun 2025 |
| 19 | Global Drilling, LLC | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 20 | GM Petroleum | Gulf Breeze, FL 32561 | Oil & Gas Operator | Mar 2014 |
| 21 | Gonzenbach, Glen D | Henrietta, TX 76365 | Oil & Gas Operator | Aug 2007 |
| 22 | Goodner, Tom Oil Interest | Windthorst, TX 76389 | Oil & Gas Operator | Jun 2010 |
| 23 | Goopco, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 24 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
| 25 | Graham Cementing Company | Graham, TX 76450 | Oil & Gas Operator | Jan 2022 |
| 26 | Grahamsource Corp. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 27 | Grand Energy, Inc. | Dallas, TX 75248 | Oil & Gas Operator | Oct 2002 |
| 28 | Gray, Mark W. Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |
| 29 | Greco Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 30 | Greco Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 31 | Green Petroleum Company | Archer City, TX 76351 | Oil & Gas Operator | Nov 1996 |
| 32 | Grimes, Norman W. | Canyon, TX 79015 | Oil & Gas Operator | Jul 2014 |
| 33 | Grothe Bros., Inc. | Slaton, TX 79364 | Oil & Gas Operator | Oct 2025 |
| 34 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 35 | GTG Operating, LLC | Tyler, TX 75702 | Oil & Gas Operator | Oct 2025 |
| 36 | Guidance Oil Developers | Boerne, TX 78006 | Oil & Gas Operator | Oct 2025 |
| 37 | Guidance Oil Developers, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Mar 2008 |
| 38 | Guidance Oil Developers,Inc.(1) | Boerne, TX 78006 | Oil Operator | Oct 2025 |
| 39 | Guinn Investments, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2018 |
| 40 | Gunn Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 41 | Gunsight Supply Co. | Wichita Falls, TX 76308 | Oil & Gas Operator | Aug 2003 |