Oil & Gas Companies in Louisiana
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 401 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
| 402 | Swift Energy Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Jun 2017 |
| 403 | SWN Production (Louisiana), LLC | | Oil & Gas Operator | Dec 2024 |
| 404 | SWN Production Company, LLC | Spring, TX 77391 | Oil & Gas Operator | Dec 2025 |
| 405 | Sydson D'Oro Exploration Co. | Houston, TX 77079 | Oil & Gas Operator | Jan 1992 |
| 406 | Sylvan Energy, LLC | Pittsburgh, PA 15211 | Oil & Gas Operator | Feb 2026 |
| 407 | Synergy Oil & Gas, Inc. | Houston, TX 77024 | Oil & Gas Operator | Nov 2019 |
| 408 | Synergy Oil & Gas, L.P. | Houston, TX 77024 | Oil & Gas Operator | May 2012 |
Production numbers shown above are only for Louisiana and for the production period listed.