Oil & Gas Companies in Trinity County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | SDG Operating Company, Inc | Tyler, TX 75701 | Oil & Gas Operator | Apr 2025 |
| 2 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Apr 2025 |
| 3 | Sonat Exploration Company -Tyler | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
| 4 | Sonerra Resources Corporation | Nacogdoches, TX 75963 | Oil & Gas Operator | Apr 2025 |
| 5 | Southcoast Production Inc | Houston, TX 77010 | Oil & Gas Operator | Apr 2025 |
| 6 | St. Mary Land & Exploration Co | Denver, CO 80201 | Oil & Gas Operator | Jun 2010 |
| 7 | Standard Oil Company, Inc. | Parkesburg, WV 26103 | Oil & Gas Operator | Mar 2022 |
| 8 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
Production numbers shown above are only for Trinity County, TX and for the production period listed.