| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Wabash Energy Corporation | Lawrenceville, IL 62439 | Oil & Gas Operator | Dec 2009 |
| 2 | Weilert Michael | Oil Operator | Oct 1993 | |
| 3 | Werth Exploration Trust | Oil Operator | Dec 2013 | |
| 4 | White & Ellis DR | Oil & Gas Operator | Aug 1995 | |
| 5 | White & Ellis Drilling, Inc. | Wichita, KS 67206 | Oil & Gas Operator | Dec 2023 |
| 6 | Whitetail Crude, Inc | Ness City, KS 67560 | Oil & Gas Operator | Dec 2023 |
| 7 | Wilton Petroleum, Inc. | Canton, KS 67428 | Oil & Gas Operator | Dec 2023 |
| 8 | Wynn-Crosby Operating, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2024 |