Oil & Gas Companies in King County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Gaea Services, Inc. | San Antonio, TX 78216 | Oil & Gas Operator | Sep 2021 |
| 2 | Ginnings Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2025 |
| 3 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
| 4 | Grandfield Consulting, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2011 |
| 5 | Great American Resources Inc. | Bowie, TX 76230 | Oil & Gas Operator | Oct 2025 |
| 6 | Gregco, Inc. | Paducah, TX 79248 | Oil & Gas Operator | May 1999 |
| 7 | Gunn Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for King County, TX and for the production period listed.