Oil & Gas Companies in St. Martin Parish, LA
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | W. L. Estis | | Oil & Gas Operator | Dec 1999 |
| 2 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Oct 2025 |
| 3 | Wainoco Oil & Gas Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2005 |
| 4 | Wayman W. Buchanan | | Oil & Gas Operator | Feb 1986 |
| 5 | Weaver Exploration Company | | Oil & Gas Operator | Jun 1991 |
| 6 | Westland Oil Development Corp. | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
| 7 | Whiskey Bay Oil Company | | Oil & Gas Operator | May 1990 |
| 8 | White Oak Operating Company LLC | Houston, TX 77077 | Oil & Gas Operator | Oct 2025 |
| 9 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Oct 2025 |
| 10 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 11 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jan 2025 |
| 12 | Williams-Cody, Inc. | Houston, TX 77060 | Oil & Gas Operator | May 1994 |
| 13 | Wle, Inc. | | Oil & Gas Operator | Feb 2012 |
| 14 | Woodbine Petroleum, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Aug 2003 |
Production numbers shown above are only for St. Martin Parish, LA and for the production period listed.