| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D C Oil, Inc | Whitesville, KY 42378 | Oil Operator | Dec 2017 |
| 2 | Dacar Energy, Inc | Oil Operator | Dec 2015 | |
| 3 | Diamond Endeavors Inc | Oil Operator | Dec 2020 | |
| 4 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Oct 2025 |
| 5 | Dobbs Oil & Gas | Oil Operator | Dec 2013 |