| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Peak Energy Co Inc | Oil & Gas Operator | Mar 1985 | |
| 2 | Pennzoil Expl & Prod Co -TX | Oil & Gas Operator | May 1993 | |
| 3 | Pennzoil Expl & Prod Co. -MS | Oil Operator | Jan 1988 | |
| 4 | Pennzoil Producing Company | Oil & Gas Operator | Oct 1992 |