Oil & Gas Companies in Montana
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | L & L Oil, LLC | Havre, MT 59501-1186 | Oil Operator | Apr 2026 |
| 2 | Lamamco Drilling Company | Skiatook, OK 74070 | Oil & Gas Operator | Apr 2026 |
| 3 | Lamarsa Corp. | Cut Bank, MT 59427 | Oil & Gas Operator | Apr 2026 |
| 4 | Legacy Reserves Operating LP | Denver, CO 80201 | Oil & Gas Operator | Jul 2026 |
| 5 | Linn Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2017 |
| 6 | Lonewolf Operating, LLC | Billings, MT 59108 | Oil & Gas Operator | Apr 2026 |
| 7 | Lowrance, Darrell A. | Cut Bank, MT 59427 | Oil Operator | Aug 2007 |
| 8 | Luff Exploration Company | Denver, CO 80203 | Oil & Gas Operator | May 2026 |
| 9 | Lyon, John J. | Bozeman, MT 59718 | Oil & Gas Operator | Jun 2022 |
Production numbers shown above are only for Montana and for the production period listed.