| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D & G Roustabout Service | Oil & Gas Operator | Jan 2024 | |
| 2 | Daniels Petroleum Co | Denver, CO 80202 | Oil & Gas Operator | Mar 2003 |
| 3 | Dejour Energy (USA) Corporation | Oil & Gas Operator | Jun 2014 | |
| 4 | Diamond Oil And Gas, Inc. | Kalamazoo, MI 49001 | Oil & Gas Operator | Dec 2024 |