| Wholly-owned subsidiary | Mallon Oil Company |
| Parent | Mallon Resources Corporation |
| Start Date | 1989-00-00 |
| Notes | George O. Mallon Jr., CEO of Mallon Resources Corporation, began the original basis for the company in 1975-1977, by building an oil and gas exploration business, Mallon Oil Company, of which he was Founder, Chairman and CEO until 1989, when it was combined into Mallon Resources. |