| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | H & W Drilling Inc | Racine, OH 45769 | Oil & Gas Operator | Dec 2023 |
| 2 | Herald Oil & Gas Co | Middleport, OH 45760-9000 | Oil & Gas Operator | Dec 2010 |
| 3 | Hopco Resources Inc | Columbus, OH 43065 | Oil & Gas Operator | Dec 2024 |
| 4 | Hopewell Oil & Gas Development Company | Columbus, OH 43228 | Oil & Gas Operator | Dec 2019 |
| 5 | Huffman-Bowers Inc | New Lexington, OH 43764 | Oil & Gas Operator | Dec 2024 |