| 1 | N R G Reserves, Inc. | El Campo, TX 77437 | Oil & Gas Operator | Oct 2004 |
| 2 | N S P Operating Group LLC | El Campo, TX 77437 | Oil & Gas Operator | Aug 2021 |
| 3 | Nadsoilco LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Feb 2026 |
| 4 | Neumin Production Company | Point Comfort, TX 77978 | Oil & Gas Operator | Feb 2026 |
| 5 | New Century Exploration, Inc. | Spring, TX 77379 | Oil & Gas Operator | Feb 2026 |
| 6 | New Horizon Investments LTD. | George West, TX 78022 | Oil & Gas Operator | Feb 2026 |
| 7 | New London Oil Inc. | Houston, TX 77253 | Oil & Gas Operator | Aug 2002 |
| 8 | New Source Oil & Gas, LLC | Victoria, TX 77903 | Oil & Gas Operator | Feb 2026 |
| 9 | Nordstrand Engineering Inc | Houston, TX 77019 | Oil & Gas Operator | Feb 2026 |
| 10 | North Central Oil Corp | Houston, TX 77252 | Oil & Gas Operator | Dec 2005 |
| 11 | North Lake Resources LLC | Oklahoma City, OK 73132 | Oil & Gas Operator | Feb 2026 |
| 12 | North Shore Energy, L.L.C. | Austin, TX 78750 | Oil & Gas Operator | Feb 2026 |
| 13 | Nueces Petroleum Corporation | Sugar Land, TX 77496 | Oil Operator | Feb 2026 |