Oil & Gas Companies in Ellis County, KS
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 501 | Weilert Michael | | Oil Operator | Oct 1993 |
| 502 | Werth Exploration Trust | | Oil Operator | Dec 2013 |
| 503 | West X, Inc. | Hays, KS 67601 | Oil Operator | Aug 1997 |
| 504 | White & Ellis DR | | Oil & Gas Operator | Aug 1995 |
| 505 | White Eagle Resources Corp. | Taos, NM 87571 | Oil & Gas Operator | Jun 2016 |
| 506 | White Hawk Oil C | | Oil & Gas Operator | Sep 1995 |
| 507 | White Hawk Oil Company, A General Partnership | Tulsa, OK 74101 | Oil Operator | Sep 2025 |
| 508 | White Hawk Oil Company, LLP | Tulsa, OK 74103 | Oil Operator | Sep 2025 |
| 509 | Wiesner, Roman L. | Ellis, KS 67637 | Oil Operator | Dec 1993 |
| 510 | Wineland Oil - LLC | Hays, KS 67601 | Oil Operator | Sep 2025 |
| 511 | WM KS Energy Resources LLC | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2019 |
| 512 | Woodman & Iannit | | Oil & Gas Operator | Sep 1996 |
| 513 | Yost Oil Operati | | Oil Operator | Jul 1990 |
| 514 | Zenith Drilling Corporation | Wichita, KS 67206 | Oil & Gas Operator | Sep 2025 |
| 515 | Zinszer Oil Co., Inc. | Hays, KS 67601 | Oil Operator | Dec 2019 |
| 516 | Zinszer Oil Comp | | Oil Operator | Aug 1985 |
| 517 | Zu, LLC | Hays, KS 67601 | Oil Operator | Sep 2025 |
Production numbers shown above are only for Ellis County, KS and for the production period listed.