| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Unger Well Drilling Corp | Dennison, OH 44621 | Oil & Gas Operator | Dec 1999 |
| 2 | Union Camp Corp | Dover, OH 44622 | Oil & Gas Operator | Dec 2002 |
| 3 | Unknown Owner | Columbus, OH 43229 | Oil & Gas Operator | Dec 2008 |