| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | James K. Anderson, Inc. | Oil Operator | Dec 1999 | |
| 2 | Jennings Drilling Co. | Oil & Gas Operator | Dec 1997 | |
| 3 | Jones-Blair Energy, Inc. | Oil Operator | Dec 1987 | |
| 4 | JTC Oil Inc. | Louisburg, KS 66053 | Oil Operator | Feb 2026 |