| 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 E B Oil Resear | Oil & Gas Operator | Nov 1993 | |
| 3 | J-V Oil, LLC | Chanute, KS 66720 | Oil & Gas Operator | Jun 2025 |
| 4 | J. W. Oil | Oil Operator | Jun 2025 | |
| 5 | J.E.B. Oil Research, Inc. | Neodesha, KS 66757 | Gas Operator | Sep 2003 |
| 6 | J.R. Oil Company | Houston, TX 77007 | Oil & Gas Operator | Jul 2019 |
| 7 | Jayhawk Exploration LLC | Frederickburg, TX 78624 | Oil Operator | Jul 2009 |