| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | J & J Oil, A General Partnership | Mound City, KS 66056 | Oil Operator | Dec 2019 |
| 2 | J M K Incorporat | Oil & Gas Operator | Dec 1996 | |
| 3 | J&S Jackson Oil | Oil Operator | Jan 2026 | |
| 4 | Jackson, Ethan | Mapleton, KS 66754 | Oil Operator | Jan 2026 |
| 5 | JTC Oil Inc. | Louisburg, KS 66053 | Oil Operator | Feb 2026 |
| 6 | Justin Energy Corporation | Wellsville, KS 66092 | Oil Operator | Feb 2026 |