Oil & Gas Companies in Union Parish, LA
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | M & M Drilling And Development | | Gas Operator | Dec 1988 |
| 2 | M. E. Operating & Services, Inc. | Fort Worth, TX 76104 | Oil & Gas Operator | Oct 2025 |
| 3 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | Aug 2025 |
| 4 | Mark L Shidler Inc | Houston, TX 77055 | Oil & Gas Operator | Jul 2025 |
| 5 | Mark V Petroleum Company | | Oil & Gas Operator | Feb 2020 |
| 6 | Mass Resources, Inc. | | Oil Operator | Jan 2025 |
| 7 | McConathy Production Co.,Inc. | | Oil & Gas Operator | Jun 1990 |
| 8 | McGoldrick Oil Company | Shreveport, LA 71129 | Oil & Gas Operator | Jul 2020 |
| 9 | McMullan Oil Company | San Antonio, TX 78212 | Oil & Gas Operator | Jun 2023 |
| 10 | McRae Exploration, Inc. | | Oil & Gas Operator | Mar 1984 |
| 11 | McRae Exploration, Inc. & Herd | | Oil & Gas Operator | Mar 1984 |
| 12 | McRae Oil Corporation | | Oil & Gas Operator | Mar 1984 |
| 13 | Mid Louisiana Gas Company | | Oil & Gas Operator | Oct 2002 |
| 14 | Midroc Operating Company | | Oil & Gas Operator | Apr 2013 |
| 15 | Midway Production Co. | | Gas Operator | May 1990 |
| 16 | Minatome Corpora | | Oil & Gas Operator | Sep 1987 |
| 17 | Mineral Ventures, Inc. | | Oil & Gas Operator | Dec 2024 |
| 18 | Miss Chub LLC | | Gas Operator | Dec 2024 |
| 19 | Mobley Oil Company, Inc. | | Oil & Gas Operator | Feb 1990 |
| 20 | Monroe Gas Associates-1 | | Gas Operator | Mar 2000 |
| 21 | Monroe Gas Joint Venture | | Gas Operator | Sep 2011 |
| 22 | Morgan Enterprises | | Oil & Gas Operator | Aug 1997 |
Production numbers shown above are only for Union Parish, LA and for the production period listed.