| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Yale Oil Association, Inc. | Oklahoma City, OK 73105 | Oil & Gas Operator | Jul 2025 |
| 2 | Yost Oil Operati | Oil Operator | Jul 1990 | |
| 3 | Yost, M. A. | Russell, KS 67665 | Oil Operator | Aug 1990 |
| 4 | Younger Bernard | Oil Operator | Nov 1992 | |
| 5 | Younger Energy Company | Wichita, KS 67206 | Oil & Gas Operator | Oct 2025 |