| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | J & M Oil Co | Overland PK, KS 66209 | Oil & Gas Operator | Jun 2025 |
| 2 | J Well Service Inc | Warren, OH 44482 | Oil & Gas Operator | Dec 2024 |
| 3 | James Drilling Corp | Blairsville, PA 15717 | Oil & Gas Operator | Dec 2004 |
| 4 | James R Smail Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2020 |
| 5 | Janco Well Operation | Canton, OH 44735 | Oil & Gas Operator | Dec 1990 |
| 6 | John D Oil & Gas Company | Mentor, OH 44060 | Oil & Gas Operator | Dec 2016 |
| 7 | Jonsu Oil Corp | Granville, OH 43023 | Oil & Gas Operator | Dec 1994 |