| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Gallwitz Ray Stephen | Walhonding, OH 43843 | Oil Operator | Dec 2024 |
| 2 | Gas & Oil Pipe Supply | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2006 |
| 3 | Geo Energy Inc | Dublin, OH 43017 | Oil & Gas Operator | Dec 1989 |
| 4 | Geopetro Inc | Worthington, OH 43085 | Oil & Gas Operator | Dec 1994 |
| 5 | Guardian Management Inc | Marion, OH 43302 | Oil & Gas Operator | Dec 1997 |