| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | W.R.A. Oil Co. | Oil & Gas Operator | Mar 2025 | |
| 2 | Wheatbelt Invest | Oil Operator | Mar 1991 | |
| 3 | White & Ellis Drilling, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Jun 2025 |
| 4 | White, Kenneth S. | Wichita, KS 67220 | Oil & Gas Operator | Sep 2022 |
| 5 | Woodman & Iannit | Oil & Gas Operator | Sep 1996 | |
| 6 | Woolsey Operating Company, LLC | Wichita, KS 67226 | Oil & Gas Operator | Jun 2025 |
| 7 | Woolsey Petroleum Corporation | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |