| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Nasser Oil & Gas, Inc. | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 1998 |
| 2 | National Energy Group Inc | Dallas, TX 75206 | Oil & Gas Operator | Sep 2014 |
| 3 | NCM Operations, Inc. | Oil Operator | Oct 2000 | |
| 4 | Nerco Oil & Gas Inc | Oil & Gas Operator | Dec 1996 | |
| 5 | Noble Energy Inc | Midland, TX 79706 | Oil & Gas Operator | Dec 2025 |
| 6 | Noex, L.L.C. | Houston, TX 77057 | Oil & Gas Operator | Apr 1998 |
| 7 | Northcott Exploration Co. Inc. | Oil & Gas Operator | Dec 1987 | |
| 8 | Northland Operating Company | Dallas, TX 75240 | Oil & Gas Operator | Apr 2003 |
| 9 | Nugulf Operating, L.L.C. | Oil & Gas Operator | Dec 2024 |