| 1 | Nance Engineering Inc. | Houston, TX 77058 | Oil & Gas Operator | Mar 2002 |
| 2 | Nei Production, Inc. | Nichols Hill, OK 73116 | Oil & Gas Operator | Apr 2025 |
| 3 | Nelmark Energy Corporation | San Antonio, TX 78231 | Oil & Gas Operator | Apr 2002 |
| 4 | Nelson, James L. | Pettus, TX 78146 | Oil & Gas Operator | Apr 2025 |
| 5 | Ness Operating Of Texas, Inc. | Weatherford, TX 76087 | Oil & Gas Operator | Dec 2004 |
| 6 | Neumin Production Company | Point Comfort, TX 77978 | Oil & Gas Operator | Apr 2025 |
| 7 | New Century Exploration, Inc. | Spring, TX 77379 | Oil & Gas Operator | Apr 2025 |
| 8 | NFR Energy, LLC | Houston, TX 77002 | Oil & Gas Operator | Sep 2017 |
| 9 | NGL Crude Logistics LLC | Denver, CO 80209 | Oil Operator | Dec 2024 |
| 10 | Nog Production & Operating LLC | Goliad, TX 77963 | Oil & Gas Operator | Apr 2025 |
| 11 | North American Royalties, Inc. | Chattanooga, TN 37408 | Oil & Gas Operator | Oct 2001 |
| 12 | North Central Oil Corp. | Houston, TX 77252 | Oil & Gas Operator | Dec 2005 |
| 13 | Null, W.M. Operations, Inc. | Corpus Chrsti, TX 78475 | Oil & Gas Operator | Jun 2002 |