| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Naftex Operating Company | Oil & Gas Operator | Oct 2025 | |
| 2 | Nahama & Weagant Energy Company | Oil & Gas Operator | Dec 1997 | |
| 3 | Natural Gas Corp. Of Calif. | Oil & Gas Operator | Dec 1987 | |
| 4 | Neon Energy Corporation | Oil Operator | Apr 2014 | |
| 5 | New Chaparral Petroleum Inc. | Oil & Gas Operator | Dec 2005 | |
| 6 | Newbridge Resources, LLC | Houston, TX 77056 | Oil & Gas Operator | Oct 2025 |
| 7 | NMT Oil Company Inc. | Oil & Gas Operator | Oct 2025 | |
| 8 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2025 |
| 9 | Nordic Oil Company | Oil & Gas Operator | Dec 1999 | |
| 10 | North Of River Sanitary District | Oil & Gas Operator | Dec 2002 | |
| 11 | Northern Michigan Expl Co | Oil & Gas Operator | Jul 1990 | |
| 12 | Northwest Petroleum Inc. | Oil & Gas Operator | Sep 2025 |