Oil & Gas Companies in Chouteau County, MT
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Black Hawk Resources, LLC | Bowman, ND 58623 | Oil & Gas Operator | Jun 2011 |
| 2 | Brown, J. Burns Operating Co. | Havre, MT 59501 | Oil & Gas Operator | Jul 2025 |
| 3 | Cline Production Company | Billings, MT 59104 | Oil & Gas Operator | Jul 2025 |
| 4 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Oct 2025 |
| 5 | Devon Louisiana Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2019 |
| 6 | Klabzuba Oil & Gas Inc | Denver, CO 80202 | Oil & Gas Operator | Aug 2012 |
| 7 | Montana Power Company | Butte, MT 59701 | Oil & Gas Operator | Apr 2002 |
| 8 | Mountain Pacific General Inc. | Cut Bank, MT 59427 | Oil & Gas Operator | Jun 2022 |
| 9 | Natural Gas Processing Company | Worland, WY 82401 | Oil & Gas Operator | Aug 2025 |
| 10 | NFR Bear Paw Basin, LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2013 |
| 11 | Northwestern Corporation | Butte, MT 59701 | Oil & Gas Operator | Jul 2025 |
| 12 | Ocean Energy Resources Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2025 |
| 13 | Ocean Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
| 14 | True Oil LLC | Casper, WY 82602 | Oil & Gas Operator | Aug 2025 |
| 15 | Viking Resources Corp | Deerfield, OH 44411-0160 | Oil & Gas Operator | Dec 2007 |
Production numbers shown above are only for Chouteau County, MT and for the production period listed.