| 1 | N. A. Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Dec 2007 |
| 2 | Nall Oil & Gas | Mineral Wells, TX 76067 | Oil & Gas Operator | Oct 2025 |
| 3 | Necessity Well Service, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2006 |
| 4 | Neeley, June | Mineral Wells, TX 76067 | Oil & Gas Operator | Feb 2008 |
| 5 | Newark E&P Operating, LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2017 |
| 6 | Newark Energy LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2011 |
| 7 | Nichols,Edwin S Explorations Inc | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 8 | Nokusu, LTD. | Dallas, TX 75231 | Oil & Gas Operator | Sep 2008 |
| 9 | Nordan Oil & Gas Corporation | Abilene, TX 79604 | Oil & Gas Operator | Feb 2018 |
| 10 | Nordstrand Engineering Inc | Houston, TX 77019 | Oil & Gas Operator | Oct 2025 |
| 11 | North Lake Resources LLC | Oklahoma City, OK 73132 | Oil & Gas Operator | Oct 2025 |
| 12 | North Ridge Corporation | Duncanville, TX 75137 | Oil & Gas Operator | Oct 2025 |
| 13 | North Star Energy, Inc. | Strawn, TX 76475 | Oil & Gas Operator | Jan 2010 |
| 14 | North Texas Llano Operating Corp | Dallas, TX 75225 | Oil & Gas Operator | Oct 2025 |
| 15 | North Texas Plugging, LLC | Denton, TX 76205 | Oil & Gas Operator | Oct 2025 |
| 16 | Novo Exploration Corporation | Hurst, TX 76053 | Oil & Gas Operator | Jun 2020 |
| 17 | NWG Operating LLC | Canyon, TX 79015 | Oil & Gas Operator | Oct 2025 |