| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Nance Petroleum Corporation | Billings, MT 59103-7168 | Oil & Gas Operator | Nov 2007 |
| 2 | National Oil Company | Garden City, KS 67846 | Oil & Gas Operator | Jan 2024 |
| 3 | Natural Resource Corporation | Rock Springs, WY 82901 | Oil & Gas Operator | Sep 1983 |
| 4 | Neward Corporation | FT. Worth, TX 76102 | Oil & Gas Operator | Dec 1997 |
| 5 | North Finn LLC | Casper, WY 82605 | Oil & Gas Operator | Feb 2024 |
| 6 | Nova Energy Inc | Casper, WY 82601 | Oil & Gas Operator | Oct 2020 |