| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Nance Petroleum Corporation | Billings, MT 59103-7168 | Oil & Gas Operator | Nov 2007 |
| 2 | National Energy Group Inc | Dallas, TX 75206 | Oil & Gas Operator | Sep 2014 |
| 3 | Natural Gas Corp Of California | Vernal, UT 84078 | Oil & Gas Operator | Dec 1989 |
| 4 | Natural Gas Processing Company | Worland, WY 82401 | Oil & Gas Operator | Oct 2024 |
| 5 | Newport Oil Corporation | Clearwater, FL 33755 | Oil & Gas Operator | Jul 2011 |
| 6 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2024 |
| 7 | North Finn LLC | Casper, WY 82605 | Oil & Gas Operator | Sep 2024 |
| 8 | North Shore Exploration & Production, LLC | Broomfield, CO 80021 | Oil & Gas Operator | Sep 2024 |
| 9 | Northwest Exploration | Oil & Gas Operator | Dec 1984 |