| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Midway Energy, LLC | Thermopolis, WY 82443 | Oil Operator | Jul 2025 |
| 2 | Montana Energy Company, LLC | McAllen, TX 78501 | Oil & Gas Operator | May 2025 |
| 3 | Montana Power Company | Butte, MT 59701 | Oil & Gas Operator | Apr 2002 |
| 4 | Montana Power Gas Company | Oil & Gas Operator | Apr 2002 | |
| 5 | Mountain Pacific General Inc. | Cut Bank, MT 59427 | Oil & Gas Operator | Jun 2022 |