Oil & Gas Companies in Mahoning County, OH
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | D & L Energy Inc | Canton, OH 44718 | Oil & Gas Operator | Dec 2016 |
| 2 | Danny Long & Sons Inc | Magnolia, OH 44643 | Oil & Gas Operator | Dec 2024 |
| 3 | Dart Oil & Gas Corporation | Mason, MI 48854 | Oil & Gas Operator | Jun 2018 |
| 4 | Dart Oil Co | Parker, CO 80134 | Oil & Gas Operator | Dec 2024 |
| 5 | David A Waldron & Assoc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2016 |
| 6 | David R Hill Inc | Byesville, OH 43723 | Oil & Gas Operator | Dec 2024 |
| 7 | Discovery Oil And Gas | Canonburg, PA 15317 | Oil & Gas Operator | Dec 2024 |
| 8 | Diversified Production LLC | Keithville, LA 71047 | Oil & Gas Operator | Oct 2025 |
| 9 | Dominion East Ohio | North Canton, OH 44720 | Oil & Gas Operator | Dec 2023 |
| 10 | Dorfman Production Company | Beloit, OH 44609 | Oil & Gas Operator | Oct 2025 |
| 11 | Dry Hole Producing LLC | Poland, OH 44514 | Oil & Gas Operator | Dec 2024 |
| 12 | Dry Hole Producing LP | Poland, OH 44514-3631 | Oil & Gas Operator | Dec 2019 |
| 13 | Duck Creek Energy Inc | Brecksville, OH 44141 | Oil & Gas Operator | Dec 2024 |
| 14 | Duck Creek Petroleum LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2012 |
Production numbers shown above are only for Mahoning County, OH and for the production period listed.