| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | R S E C LLC | Oil & Gas Operator | Nov 2002 | |
| 2 | Rainbow Oil And Gas Inc | Oil & Gas Operator | Jun 2016 | |
| 3 | Reservoir Research Corp | Oil Operator | Dec 2009 | |
| 4 | Rovsek Adolph E | Oil & Gas Operator | Oct 1991 |