| 1 | G N K Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Aug 2020 |
| 2 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 3 | Geurin Oil & Gas | Saint Jo, TX 76265 | Oil & Gas Operator | Oct 2022 |
| 4 | Gibbs, Loyd Leasing | Gainesville, TX 76240 | Oil & Gas Operator | Aug 2007 |
| 5 | Gilbreath Tank Trucks, Inc. | Whitesboro, TX 76273 | Oil Operator | Dec 2024 |
| 6 | Gordon Oil Company, Inc. | Sherman, TX 75090 | Oil & Gas Operator | Oct 2004 |
| 7 | Grayson Petroleum Company | Whitesboro, TX 76273 | Oil & Gas Operator | Dec 2024 |
| 8 | Great West Operating Co., Inc. | Dallas, TX 75240 | Oil & Gas Operator | Aug 2003 |
| 9 | Grewing, Florence T. | Muenster, TX 76252 | Oil & Gas Operator | Mar 2008 |
| 10 | Grewing, Herman | Muenster, TX 76252 | Oil & Gas Operator | Apr 1997 |
| 11 | Grewing, Herman Operating, Inc. | Muenster, TX 76252 | Oil Operator | Dec 2024 |
| 12 | Grewing, Wayne R. Oil & Gas, LLC | Muenster, TX 76252 | Oil Operator | Apr 2018 |
| 13 | Gross, Charles E. | Dallas, TX 75220 | Oil & Gas Operator | Feb 2012 |
| 14 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 15 | Guffey, Roy, Oil Company | Dallas, TX 75206 | Oil & Gas Operator | Aug 2011 |
| 16 | Gypsy Oil Co. | Austin, TX 78720 | Oil & Gas Operator | Jul 2017 |