| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | D & D Energy Company | North Canton, OH 44721 | Oil & Gas Operator | Dec 2020 |
| 2 | David A Waldron & Assoc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2016 |
| 3 | David R Hill Inc | Byesville, OH 43723 | Oil & Gas Operator | Dec 2023 |
| 4 | Deer Creek Inc | Cambridge, OH 43725 | Oil & Gas Operator | Dec 2019 |
| 5 | Deer Oil & Gas | Marietta, OH 45750 | Oil & Gas Operator | Dec 2023 |
| 6 | Derby Oil & Gas Corp | Cumberland, OH 43732 | Oil & Gas Operator | Dec 1986 |
| 7 | Derby Operating Corp | Wooster, OH 44691 | Oil & Gas Operator | Dec 2023 |
| 8 | Dominion East Ohio | North Canton, OH 44720 | Oil & Gas Operator | Dec 2023 |
| 9 | Dupke Roger Oil Co Inc | Reno, OH 45773 | Oil & Gas Operator | Dec 2004 |