| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Ranger Oil Company | Canada, 00100 | Oil & Gas Operator | Sep 2001 |
| 2 | Red Wing Oil & Gas, Inc. | Oil Operator | Sep 1990 | |
| 3 | Resources Investment Corp | Denver, CO 80202 | Oil & Gas Operator | May 2023 |
| 4 | Robert D Valerius Inc. | Oil Operator | Mar 1996 | |
| 5 | Robert G Cox & Assoc La Inc. | Oil & Gas Operator | Jun 1994 | |
| 6 | Rozel Operating Company | Oil & Gas Operator | Oct 2014 |