| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Nance Petroleum Corporation | Billings, MT 59103-7168 | Oil & Gas Operator | Nov 2007 |
| 2 | New Frontier Energy Inc | Gas Operator | Mar 2010 | |
| 3 | North Shore Exploration & Production, LLC | Broomfield, CO 80021 | Oil & Gas Operator | Mar 2024 |