| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Haddad & Brooks Inc | Washington, PA 15301-0776-0776 | Oil & Gas Operator | Dec 2018 |
| 2 | Halter Ralph P | Robertsville, OH 44670 | Oil Operator | Dec 1999 |
| 3 | Harley Drilling & Producing LTD | Burbank, OH 44214 | Oil & Gas Operator | Dec 2023 |
| 4 | Hawke Inc | Barbertib, OH 44203 | Oil & Gas Operator | Dec 2023 |
| 5 | Hi Snyder/Snyder Oil & Gas Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2019 |
| 6 | Hoover Frank W Dba Cherokee Drilling | Millersburg, OH 44654 | Oil & Gas Operator | Dec 2023 |
| 7 | Hopewell Oil & Gas Development Company | Columbus, OH 43228 | Oil & Gas Operator | Dec 2019 |