| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Declar Oil & Gas Inc | Oil & Gas Operator | Dec 2012 | |
| 2 | Diamond Operating Inc | Oil & Gas Operator | Aug 2021 | |
| 3 | Diversified Operating Corp. | Golden, CO 80401 | Oil & Gas Operator | Oct 2012 |
| 4 | Dunamis Energy Operating LLC | Oil & Gas Operator | Sep 2025 |