| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | H I Smith Oil & Gas Inc | Holmesville, OH 44633 | Oil & Gas Operator | Dec 2023 |
| 2 | Hatco Productions LTD | North Augusta, SC 29860 | Oil Operator | Dec 2023 |
| 3 | Hopco Resources Inc | Columbus, OH 43065 | Oil & Gas Operator | Dec 2023 |
| 4 | Hortin & Huffman Pet Geol | Worthington, OH 43085 | Oil & Gas Operator | Dec 2000 |
| 5 | Houghton Investments LLC | Columbus, OH 43235 | Oil & Gas Operator | Dec 2023 |
| 6 | Huffman-Bowers Inc | New Lexington, OH 43764 | Oil & Gas Operator | Dec 2022 |