Oil & Gas Companies in Cowley County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | J & P Oil Compan | | Oil Operator | Jul 1991 |
| 2 | J And L Oil Enterprises, Inc. | Winfield, KS 67156 | Oil Operator | Jun 2003 |
| 3 | J D Operating Company | Tulsa, OK 74105 | Oil & Gas Operator | Jun 2005 |
| 4 | Jaed Production Co., | Arkansas City, KS 67005 | Oil & Gas Operator | Mar 2024 |
| 5 | Jas Oil Company | Winfield, KS 67156 | Oil & Gas Operator | Dec 1995 |
| 6 | Jenkins & Broyle | | Oil & Gas Operator | Sep 1991 |
| 7 | Jenkins, Don(Deceased)Estate | Arkansas City, KS 67005 | Oil & Gas Operator | Dec 2009 |
| 8 | Jenkins, Donnie G. Jr. | Arkansas City, KS 67005 | Oil Operator | Dec 2019 |
| 9 | Jernigan Steve I | | Oil Operator | Mar 1993 |
| 10 | Jo-Mar Industries | Winfield, KS 67156 | Oil Operator | Mar 1997 |
| 11 | Jones & Buck Development, LLC | Sedan, KS 67361 | Oil & Gas Operator | Jun 2025 |
| 12 | Jordan Oil Management Inc. | Haysville, KS 67060 | Oil & Gas Operator | Jun 2025 |
Production numbers shown above are only for Cowley County, KS and for the production period listed.