Oil & Gas Companies in Shelby County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 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 | Gel Petroleum, Inc. | Bay City, TX 77414 | Oil & Gas Operator | Oct 2025 |
| 4 | GMT Energy Corporation | Houston, TX 77042 | Oil & Gas Operator | Feb 2005 |
| 5 | Goldsmith, J. Paul | Tyler, TX 75711 | Oil & Gas Operator | Feb 1997 |
| 6 | Goldsmith, Neta R. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2009 |
| 7 | Goodrich Oil Company | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2001 |
| 8 | Goodrich Petroleum Company | Houston, TX 77002 | Oil & Gas Operator | Feb 2022 |
| 9 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
| 10 | Grand Energy, Inc. | Dallas, TX 75248 | Oil & Gas Operator | Oct 2002 |
| 11 | Grand Operating, Inc. | Addison, TX 75001 | Oil & Gas Operator | Dec 2020 |
| 12 | Graward Operating, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Oct 2025 |
| 13 | Graystone Energy Corporation | Judson, TX 75660 | Oil & Gas Operator | Oct 2025 |
| 14 | Greer Exploration Corporation | Shreveport, LA 71118 | Oil & Gas Operator | Jul 2017 |
| 15 | Gulf South Pipeline Company, LP | Houston, TX 77001 | Oil & Gas Operator | Dec 2020 |
| 16 | Gulf States Petro. Corp. | Dallas, TX 75202 | Oil & Gas Operator | Apr 2006 |
Production numbers shown above are only for Shelby County, TX and for the production period listed.