| 1 | Nance Engineering Inc. | Houston, TX 77058 | Oil & Gas Operator | Mar 2002 |
| 2 | Natural Gas MKTG. & Storage Co. | Houston, TX 77251 | Oil & Gas Operator | Sep 1996 |
| 3 | Neostar Energy Co. | Crossville, TN 38572 | Oil & Gas Operator | Feb 2019 |
| 4 | Neumin Production Company | Point Comfort, TX 77978 | Oil & Gas Operator | Sep 2026 |
| 5 | New Century Exploration, Inc. | Spring, TX 77379 | Oil & Gas Operator | Sep 2026 |
| 6 | New Horizon Resources LLC | Houston, TX 77057 | Oil & Gas Operator | Sep 2026 |
| 7 | Nitro-Lift/Oklahoma Manufacturing LLC | Mill Creek, OK 74856 | Oil Operator | Sep 2026 |
| 8 | Nordstrand Engineering Inc | Houston, TX 77019 | Oil & Gas Operator | Sep 2026 |
| 9 | Northwest Airport Management, LP | Spring, TX 77379 | Gas Operator | Sep 2026 |
| 10 | Noxxe Oil And Gas, LLC | Houston, TX 77269 | Oil & Gas Operator | Sep 2026 |
| 11 | Nueces Petroleum Corporation | Sugar Land, TX 77496 | Oil Operator | Sep 2026 |