EXHIBIT 21
Mentor Capital, Inc. Subsidiaries
The following is a list of subsidiaries of Mentor Capital, Inc., omitting subsidiaries that, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary as of December 31, 2021:
| Name of Subsidiary | % of ownership | State in which Incorporated | ||
| Waste Consolidators, Inc. | 51% | Colorado | ||
| Mentor IP, LLC | 100% | South Dakota | ||
| Mentor Partner I, LLC | 100% | Texas | ||
| Mentor Partner II, LLC | 100% | Texas |