Oil & Gas Companies in Knox County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Edington Oil Company | Albany, TX 76430 | Oil & Gas Operator | Aug 2006 |
| 2 | Efficiency Operating Service | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2026 |
| 3 | Energex Inc. | Abilene, TX 79604 | Oil & Gas Operator | Apr 2026 |
| 4 | Energy Transfer Crude Marketing LLC | Dallas, TX 75225 | Oil Operator | Jan 2026 |
| 5 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 6 | Enexco, Inc. | Dallas, TX 75243 | Oil & Gas Operator | Mar 2017 |
| 7 | Enrich Oil Corporation | Abilene, TX 79604 | Oil & Gas Operator | Apr 2026 |
| 8 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 9 | Exlco, Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Apr 2026 |
| 10 | Exmoor Oil & Minerals Corp. | Dallas, TX 75225 | Oil & Gas Operator | May 1994 |
| 11 | Extex Operating Company | Houston, TX 77057 | Oil & Gas Operator | Apr 2026 |
Production numbers shown above are only for Knox County, TX and for the production period listed.