| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Nance Petroleum Corporation | Billings, MT 59103-7168 | Oil & Gas Operator | Nov 2007 |
| 2 | National Fuel Corporation | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Aug 2025 |
| 3 | Natural Gas Processing Company | Worland, WY 82401 | Oil & Gas Operator | Aug 2025 |
| 4 | New Era Petroleum Inc | Sheridan, WY 82801 | Oil Operator | Aug 2025 |
| 5 | Newton Steve Drilling | Worland, WY 82401 | Oil Operator | Apr 2001 |