| 1 | N. E. Operating Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2013 |
| 2 | Nall Oil & Gas | Mineral Wells, TX 76067 | Oil & Gas Operator | May 2024 |
| 3 | National Energy Group Inc | Dallas, TX 75206 | Oil & Gas Operator | Sep 2014 |
| 4 | Natural Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jul 1997 |
| 5 | Navus Operating, Inc. | Dallas, TX 75367 | Oil & Gas Operator | May 2024 |
| 6 | Nec Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | May 2024 |
| 7 | Necessity Well Service | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 1994 |
| 8 | Necessity Well Service, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2006 |
| 9 | Neeley, June | Mineral Wells, TX 76067 | Oil & Gas Operator | Feb 2008 |
| 10 | New Era International | Graham, TX 76450 | Oil & Gas Operator | Sep 2017 |
| 11 | New Horizon Exploration, Inc. | Richardson, TX 75081 | Oil & Gas Operator | Jun 2006 |
| 12 | Ngezi, LCC | Fort Worth, TX 76111 | Oil & Gas Operator | May 2024 |
| 13 | Nichols,Edwin S Explorations Inc | Graham, TX 76450 | Oil & Gas Operator | May 2024 |
| 14 | Nick Oil | Abilene, TX 79601 | Oil & Gas Operator | May 2024 |
| 15 | Nitschke, Dan E. | Henrietta, TX 76365 | Oil & Gas Operator | May 2024 |
| 16 | North American Drilling Corp | Plano, TX 75093 | Oil & Gas Operator | May 2024 |
| 17 | North Central Casing Pullers,Inc | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
| 18 | North Ridge Corporation | Duncanville, TX 75137 | Oil & Gas Operator | May 2024 |
| 19 | North Star Energy, Inc. | Strawn, TX 76475 | Oil & Gas Operator | Jan 2010 |
| 20 | North Texas Plugging, LLC | Denton, TX 76205 | Oil & Gas Operator | May 2024 |
| 21 | NWG Operating LLC | Canyon, TX 79015 | Oil & Gas Operator | May 2024 |