Oil & Gas Companies in Tyler County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Lake Ronel Oil Company | Tyler, TX 75710 | Oil & Gas Operator | Jul 2017 |
| 2 | Langham Petroleum Expl. Corp. | Houston, TX 77056 | Oil & Gas Operator | Dec 2009 |
| 3 | Liberty Operating Company, Inc. | Lake Dallas, TX 75065 | Oil & Gas Operator | Mar 2008 |
| 4 | Litchfield Production Co. | Nederland, TX 77627 | Oil & Gas Operator | Oct 2025 |
| 5 | Locin Oil Corporation | Katy, TX 77494 | Oil & Gas Operator | Oct 2025 |
| 6 | Loin Energy Corporation | La Grange, TX 78945 | Oil & Gas Operator | Oct 2025 |
| 7 | Louisiana Land & Exploration Co. | Houston, TX 77210 | Oil & Gas Operator | Sep 2013 |
| 8 | Low-End Oil LLC | Austin, TX 78748 | Oil Operator | Oct 2025 |
| 9 | Lucky Lad Energy, LLC | Magnolia, TX 77353 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Tyler County, TX and for the production period listed.