| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Werth Exploration Trust | Oil Operator | Dec 2013 | |
| 2 | Western Kansas E | Oil Operator | Aug 1993 | |
| 3 | White Eagle Resources Corp. | Taos, NM 87571 | Oil & Gas Operator | Jun 2016 | 
| 4 | Wildhorse Oil | Bogue, KS 67625 | Oil Operator | Oct 1994 | 
| 5 | WM KS Energy Resources LLC | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2019 | 
| 6 | Woodman & Iannit | Oil & Gas Operator | Sep 1996 |