Oil & Gas Companies in St. Mary Parish, LA
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | W. L. Estis | | Oil & Gas Operator | Dec 1999 |
| 2 | W. W. F. Oil Corporation | | Oil & Gas Operator | Dec 1999 |
| 3 | Wapiti Operating, LLC | Houston, TX 77043 | Oil & Gas Operator | Nov 2024 |
| 4 | Watson Energy, L.L.C. | | Oil & Gas Operator | Jun 2005 |
| 5 | Weaver Exploration Company | | Oil & Gas Operator | Jun 1991 |
| 6 | Wheless Industries, Inc. | Shreveport, LA 71101-5301 | Oil & Gas Operator | Sep 2002 |
| 7 | White Oak Operating Company LLC | Houston, TX 77077 | Oil & Gas Operator | Nov 2024 |
| 8 | Whitney Oil & Gas, LLC | | Oil & Gas Operator | Jun 2024 |
| 9 | Whitton Company, Inc. | | Oil & Gas Operator | Jul 2020 |
| 10 | WHK, Inc. | | Oil & Gas Operator | Oct 1993 |
| 11 | WRT Energy Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | May 1998 |
Production numbers shown above are only for St. Mary Parish, LA and for the production period listed.