| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | David R Hill Inc | Byesville, OH 43723 | Oil & Gas Operator | Dec 2024 |
| 2 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Nov 2025 |
| 3 | Dominion East Ohio | North Canton, OH 44720 | Oil & Gas Operator | Dec 2023 |
| 4 | Doran & Associates | Pittsburgh, PA 15220 | Oil & Gas Operator | Dec 1988 |