| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Hall Drilling LLC (Oil & Gas) | Ellenboro, WV 26346 | Gas Operator | Sep 2014 |
| 2 | Harmon O G LLC | Graysville, OH 45734 | Oil & Gas Operator | Dec 2024 |
| 3 | Harmons Well Service | Graysville, OH 45734 | Oil & Gas Operator | Dec 2019 |
| 4 | Heinrich Enterprises Inc Dba Washington Operations | Reno, OH 45773 | Oil & Gas Operator | Dec 2024 |
| 5 | HG Energy LLC | Parkersburg, WV 26101 | Oil & Gas Operator | Dec 2021 |
| 6 | Highman Oil & Gas LLC | Woodsfield, OH 43793 | Oil & Gas Operator | Dec 2024 |
| 7 | Hill William F | Millersburg, OH 44654 | Oil & Gas Operator | Dec 1993 |
| 8 | Hopewell Oil & Gas Development Company | Columbus, OH 43228 | Oil & Gas Operator | Dec 2019 |
| 9 | Howells Oil & Gas | Graysville, OH 45734 | Oil & Gas Operator | Dec 2024 |