| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Davey Corporation | Golden, CO 80401 | Oil & Gas Operator | Aug 2025 |
| 2 | Devon SFS Operating Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2008 |
| 3 | DNR Oil And Gas, Inc. | Englewood, CO 80155 | Oil & Gas Operator | Aug 2025 |
| 4 | Dome Petroleum Corp | Denver, CO 80202 | Oil & Gas Operator | Dec 2016 |