Oil & Gas Companies in Ouachita Parish, LA
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | W. D. Roberson | | Gas Operator | Mar 2021 |
| 2 | W. J. Wegman, Jr. | | Gas Operator | Dec 1991 |
| 3 | W. M. Inabnet Agent | | Gas Operator | Oct 1985 |
| 4 | Weiser-Brown Operating Company | Magnolia, AR 71754 | Oil & Gas Operator | Oct 2025 |
| 5 | Wells-Battelstein O&G, Inc. | | Gas Operator | Dec 1986 |
| 6 | Whitton Company, Inc. | | Oil & Gas Operator | Jul 2020 |
| 7 | Wildhorse Resources, LLC | Houston, TX 77279 | Oil & Gas Operator | Feb 2015 |
| 8 | Will-Drill Production Co., Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Oct 2025 |
| 9 | WM. Inabnet | | Gas Operator | Nov 2024 |
| 10 | Wynn-Crosby Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2005 |
Production numbers shown above are only for Ouachita Parish, LA and for the production period listed.