| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Nelson Ralph M Enterprises Inc | Oil Operator | Oct 2025 | |
| 2 | Newstar Energy USA Inc | Thornville, OH 43076 | Oil & Gas Operator | Aug 2004 |
| 3 | Neyer Oil Inc | Oil & Gas Operator | Nov 1997 | |
| 4 | Neymeiyer John Oil Co | Oil Operator | Dec 1998 | |
| 5 | North American Exploration Co. | Abilene, TX 79602 | Oil & Gas Operator | Apr 1998 |
| 6 | Northeastern Energy Corp | Oil & Gas Operator | Dec 2015 | |
| 7 | Northern Michigan Oil And Gas Corp | Oil & Gas Operator | Oct 2025 | |
| 8 | Northern Processors Inc | The Woodlands, TX 77387-9385 | Oil & Gas Operator | Sep 2010 |
| 9 | Northshore Petroleum LLC | Oil Operator | Feb 2009 | |
| 10 | Northstar Energy LLC | Gas Operator | Sep 2020 | |
| 11 | Northwestern Natural Gas | Gas Operator | Aug 2000 | |
| 12 | Nuenergy LLC | Oil & Gas Operator | Sep 2025 |