Oil & Gas Companies in Kansas
| Company Name | Company Location | Company Type | Most Recent Production |
| 4701 | Yoder Oil Compan | | Oil Operator | Sep 1988 |
| 4702 | Yoder, Alvin G. | Welda, KS 66091 | Oil Operator | Sep 2025 |
| 4703 | Yost Oil Operati | | Oil Operator | Jul 1990 |
| 4704 | Yost Oil Operations, Inc. | Russell, KS 67665 | Oil Operator | May 1999 |
| 4705 | Yost, M. A. | Russell, KS 67665 | Oil Operator | Aug 1990 |
| 4706 | Young Petroleum Service, LLC | Wichita, KS 67212 | Oil & Gas Operator | Sep 2023 |
| 4707 | Young, Harvey L. | Erie, KS 66733 | Oil Operator | Feb 2008 |
| 4708 | Younger Bernard | | Oil Operator | Nov 1992 |
| 4709 | Younger Energy C | | Oil & Gas Operator | Dec 1996 |
| 4710 | Younger Energy Company | Wichita, KS 67206 | Oil & Gas Operator | Apr 2026 |
| 4711 | Yukon Properties LLC | Villa Park, CA 92861 | Oil & Gas Operator | Sep 2017 |
| 4712 | Yuma Oil Company | El Dorado, KS 67042 | Oil Operator | Apr 1993 |
| 4713 | Z & L Oil LLC | Longton, KS 67352 | Oil Operator | Dec 2025 |
| 4714 | Zeiders Bros. Oil & Gas Company, L.L.C. | Edmond, OK 73003 | Oil & Gas Operator | Jan 2026 |
| 4715 | Zenergy Inc | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2026 |
| 4716 | Zenith Drilling | | Oil & Gas Operator | Aug 1995 |
| 4717 | Zenith Drilling Corporation | Wichita, KS 67206 | Oil & Gas Operator | Dec 2025 |
| 4718 | Zeta Energy LLC | Ashland, OR 97520 | Oil Operator | Dec 2025 |
| 4719 | Zetetic Partners, LTD. | Georgetown, TX 78626 | Oil Operator | Dec 2018 |
| 4720 | Zinke & Trumbo L | | Oil & Gas Operator | Nov 2000 |
| 4721 | Zinszer Oil Co., Inc. | Hays, KS 67601 | Oil Operator | Dec 2019 |
| 4722 | Zinszer Oil Comp | | Oil Operator | Aug 1985 |
| 4723 | Zlab, Adolph | Yates Center, KS 66783 | Oil Operator | Jul 1997 |
| 4724 | Zoandra Petroleu | | Oil & Gas Operator | May 1993 |
| 4725 | Zorger, Gerald W. | Wichita, KS 67202 | Oil & Gas Operator | Apr 1985 |
| 4726 | Zu, LLC | Hays, KS 67601 | Oil Operator | Nov 2025 |
Production numbers shown above are only for Kansas and for the production period listed.