| 1 | G & F Oil, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Feb 2026 |
| 2 | G & L Royalty | Perrin, TX 76486 | Oil & Gas Operator | Feb 2026 |
| 3 | G. A. Hawkins Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 4 | G. S. Properties, Inc. | Arlington, TX 76013 | Oil & Gas Operator | May 1999 |
| 5 | Gardner Production, LLC | Decatur, TX 76234 | Oil & Gas Operator | Jul 2023 |
| 6 | GBF Operating LLC | Morrison, CO 80465 | Oil & Gas Operator | Feb 2026 |
| 7 | Geer Production Company | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 8 | General Operating Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2026 |
| 9 | Georgetown Operating Company | Oklahoma City, OK 73113 | Oil & Gas Operator | Jun 2019 |
| 10 | Geurin Oil & Gas | Saint Jo, TX 76265 | Oil & Gas Operator | Oct 2022 |
| 11 | Giant Energy Corp. | Dallas, TX 75230 | Oil & Gas Operator | Jul 2019 |
| 12 | Giant NRG Co., LP | Dallas, TX 75230 | Oil & Gas Operator | Feb 2026 |
| 13 | Gilliam, Frank | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 14 | Gilmore, Leo Oil, Inc. | Holliday, TX 76366 | Oil & Gas Operator | Feb 2026 |
| 15 | Ginnings Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2025 |
| 16 | Glass, Theodore G. | Dallas, TX 75248 | Oil & Gas Operator | Feb 2026 |
| 17 | Glen D. Gonzenbach, LLC | Henrietta, TX 76365 | Oil & Gas Operator | Dec 2016 |
| 18 | Global Drilling, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 19 | Go Oil Corp. | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 20 | Golden Gas Production Company | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2025 |
| 21 | Golden Resources Corporation | Dallas, TX 75238 | Oil & Gas Operator | Dec 1998 |
| 22 | Gonzenbach Oil & Gas, LLC | Henrietta, TX 76365 | Oil & Gas Operator | May 2020 |
| 23 | Gonzenbach, Glen D | Henrietta, TX 76365 | Oil & Gas Operator | Aug 2007 |
| 24 | Goopco, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 25 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
| 26 | Grace, Jack Production Co, LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Feb 2026 |
| 27 | Grace, Jack, Prod. Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Mar 1997 |
| 28 | Grace, Pete | Jacksboro, TX 76458 | Oil & Gas Operator | Mar 1996 |
| 29 | Gramrich Oil & Gas Corporation | Coppell, TX 75019 | Oil & Gas Operator | Oct 2012 |
| 30 | Grand Energy, Inc. | Dallas, TX 75248 | Oil & Gas Operator | Oct 2002 |
| 31 | Grand Operating, Inc. | Addison, TX 75001 | Oil & Gas Operator | Nov 2025 |
| 32 | Great American Resources Inc. | Bowie, TX 76230 | Oil & Gas Operator | Feb 2026 |
| 33 | Great West Operating Co., Inc. | Dallas, TX 75240 | Oil & Gas Operator | Aug 2003 |
| 34 | Greco Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 35 | Greco Operating, LLC | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 36 | Greenville Operating Company | Dallas, TX 75206 | Oil & Gas Operator | Oct 1996 |
| 37 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 38 | Gulf States Petro. Corp. | Dallas, TX 75202 | Oil & Gas Operator | Apr 2006 |