| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Independent Oil Investors | Lakeside, MI 49116 | Oil & Gas Operator | Dec 1992 |
| 2 | Indian Hills Resources LLC | Sewickley, PA 15143 | Oil & Gas Operator | Dec 2023 |
| 3 | Industry Standard Supplies Inc | Dover, OH 44622 | Oil & Gas Operator | Dec 2023 |
| 4 | Inland Drilling Co Inc | Garretsville, OH 44231 | Oil & Gas Operator | Dec 1992 |
| 5 | Inland Petroleum | Newark, OH 43055 | Oil Operator | Dec 2009 |
| 6 | Inr Ohio LLC | Morgantown, WV 26508-9209 | Oil & Gas Operator | Jun 2024 |
| 7 | Irvin Drilling Corp | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1990 |