| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Hard Rock Exploration, Inc. | Oil & Gas Operator | Dec 2008 | |
| 2 | HG Energy LLC | Parkersburg, WV 26101 | Oil & Gas Operator | Dec 2021 |
| 3 | Hildreth, Roy G & Son Inc | Spencer, WV 25276 | Oil & Gas Operator | Dec 2021 |
| 4 | Hildreth, Va Roy | Oil & Gas Operator | Dec 1996 | |
| 5 | Hughes River Oil & Gas Company | Walker, WV 26180-0000 | Oil & Gas Operator | Dec 2021 |