Oil & Gas Companies in Lake County, OH
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Aed Development Inc | Columbus, OH 43220 | Oil & Gas Operator | Dec 1995 |
| 2 | Alliance Petroleum Corporation | Canton, OH 44718-2553 | Oil & Gas Operator | Dec 2019 |
| 3 | Allied Oil Field Services LTD | Willoughby, OH 44094 | Oil & Gas Operator | Dec 2021 |
| 4 | Amer Energy Develop Inc | Columbus, OH 43220 | Oil & Gas Operator | Dec 1989 |
| 5 | Appalachian Expl Inc | Hartville, OH 44632 | Oil & Gas Operator | Dec 1989 |
| 6 | Arysta Lifescience North America LLC | Cary, NC 27513 | Oil & Gas Operator | Dec 2024 |
| 7 | Atlas Energy Group Inc | Uniontown, OH 44685-9575 | Oil & Gas Operator | Dec 2011 |
| 8 | Atwood Energy Inc | Port Washington, OH 43837-9214 | Oil & Gas Operator | Dec 1993 |
| 9 | Atwood Resources Inc | Houston, TX 72151 | Oil & Gas Operator | Dec 1993 |
| 10 | Autumn Ridge Enterprises LLC | Wooster, OH 44691 | Oil & Gas Operator | Dec 2017 |
| 11 | Aw Tipka Oil & Gas Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2024 |
Production numbers shown above are only for Lake County, OH and for the production period listed.