Oil & Gas Companies in Henderson County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Eagle Oil & Gas Co. | Dallas, TX 75225 | Oil & Gas Operator | Oct 2025 |
| 2 | Eagle Rock Operating Company,LLC | Houston, TX 77252 | Oil & Gas Operator | Oct 2015 |
| 3 | Eex Corporation | Houston, TX 77060 | Oil & Gas Operator | Feb 2000 |
| 4 | El Paso Production Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2016 |
| 5 | Eleon Operators, LLC | Katy, TX 77494 | Oil & Gas Operator | Oct 2025 |
| 6 | Ellis Exploration, Inc. | Tyler, TX 75703 | Oil & Gas Operator | Oct 2025 |
| 7 | Embry Solutions, Inc. | Dallas, TX 75315 | Oil Operator | Oct 2025 |
| 8 | Enbridge Pipelines (Ne Texas) LP | Houston, TX 77002 | Oil & Gas Operator | Jan 2010 |
| 9 | Encana Oil & Gas (USA) Inc. | Denver, CO 80202 | Oil & Gas Operator | Oct 2020 |
| 10 | Energy Transfer Crude Marketing LLC | Dallas, TX 75225 | Oil Operator | May 2025 |
| 11 | Enerquest Corporation | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 12 | Enerquest Oil & Gas LLC | Oklahoma City, OK 73114 | Oil & Gas Operator | Jun 2025 |
| 13 | Enervest Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 14 | Enr Operating, LLC | Eunice, NM 88231 | Oil & Gas Operator | Oct 2025 |
| 15 | Enserch Exploration Inc | Dallas, TX 75206 | Oil & Gas Operator | Apr 2015 |
| 16 | EP Operating Limited Partnership | Dallas, TX 75201 | Oil & Gas Operator | Feb 1995 |
| 17 | Esco Oil Operating Company LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 18 | Express Oil Co. | Hallettsville, TX 77964 | Oil & Gas Operator | Oct 2025 |
| 19 | Exxon Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2024 |
Production numbers shown above are only for Henderson County, TX and for the production period listed.