Oil & Gas Companies in Roosevelt County, MT
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Darrah Oil Company, LLC | Wichita, KS 67201 | Oil & Gas Operator | Sep 2026 |
| 2 | Denbury Onshore, LLC | Spring, TX 77389 | Oil & Gas Operator | Sep 2026 |
| 3 | Devon Energy Williston, L.L.C. | Oklahoma City, OK 73102-8260 | Oil & Gas Operator | Jun 2026 |
| 4 | Digital Operating Company LLC | Boerne, TX 78006 | Oil & Gas Operator | Sep 2026 |
| 5 | Dominion Oklahoma Texas Exploration & Production | Houston, TX 77060 | Oil & Gas Operator | Dec 2006 |
| 6 | Drawings, LLC | Albuquerque, NM 87109 | Oil Operator | Aug 2025 |
Production numbers shown above are only for Roosevelt County, MT and for the production period listed.