| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Walcher, Wayne E. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2023 |
| 2 | Ward Feed Yard, Inc. | Larned, KS 67550 | Oil & Gas Operator | Mar 2016 |
| 3 | Wausau Development Corporation | Laurel, MS 39440 | Oil & Gas Operator | Sep 2019 |
| 4 | White & Ellis DR | Oil & Gas Operator | Aug 1995 | |
| 5 | White & Ellis Drilling, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2023 |
| 6 | White Hawk Oil C | Oil & Gas Operator | Sep 1995 | |
| 7 | White Hawk Oil Company, A General Partnership | Tulsa, OK 74101 | Oil Operator | Dec 2023 |
| 8 | Winona Oil & Gas | Oil & Gas Operator | Sep 1996 | |
| 9 | Woodman & Iannit | Oil & Gas Operator | Sep 1996 |