Oil & Gas Companies in Knox County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | G & F Oil, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Oct 2025 |
| 2 | G & G Oil, LLC | Frankston, TX 75763 | Oil & Gas Operator | Oct 2025 |
| 3 | Gage, H. L. | Windthorst, TX 76389 | Oil & Gas Operator | May 2005 |
| 4 | Gas Corporation Of America | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
| 5 | GBG Operating Corp. | Wichita Falls, TX 76302 | Oil & Gas Operator | Sep 1998 |
| 6 | Genie Corporation | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 7 | Gillring Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | May 1994 |
| 8 | Golden Resources Corporation | Dallas, TX 75238 | Oil & Gas Operator | Dec 1998 |
| 9 | Goldking Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 10 | Great American Resources Inc. | Bowie, TX 76230 | Oil & Gas Operator | Oct 2025 |
| 11 | Guffey, Roy, Oil Company | Dallas, TX 75206 | Oil & Gas Operator | Aug 2011 |
| 12 | Gunn Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Knox County, TX and for the production period listed.