| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | DCP Midstream, LP | Denver, CO 80237 | Oil Operator | Nov 2006 |
| 2 | DNB Drilling, Inc. | Wichita, KS 67208 | Oil & Gas Operator | Jan 2001 |
| 3 | DNR Oil And Gas, Inc. | Englewood, CO 80155 | Oil & Gas Operator | Oct 2025 |