| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D & T Company | Denver, CO 80210 | Oil & Gas Operator | Jun 1983 |
| 2 | D. A. Milton | Oil & Gas Operator | Dec 2016 | |
| 3 | Day Dreams Resources, LLC | Oil & Gas Operator | Aug 2024 | |
| 4 | Devon Energy Production Company LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Nov 2024 |
| 5 | Devon SFS Operating Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2008 |