| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 101 | Nucorp Energy, Inc. | Oil & Gas Operator | Jan 1985 | |
| 102 | Nuevo Energy Company | Houston, TX 77002 | Oil & Gas Operator | Dec 2002 |
| 103 | Nuex Operating, Inc. | Oil Operator | Oct 2004 | |
| 104 | Nugulf Operating, L.L.C. | Oil & Gas Operator | Dec 2024 | |
| 105 | Numen Corporation | Oil & Gas Operator | Jan 1982 |