Exhibit 21.1

ENSERVCO CORPORATION
Subsidiaries of the Registrant
December 31, 2020
Name	State of Formation	Ownership
Dillco Fluid Service, Inc.	Kansas	100% by Enservco
Heat Waves Hot Oil Service LLC	Colorado	100% by Enservco
Heat Waves Water Management LLC	Colorado	100% by Enservco
HE Services, LLC	Nevada	100% by Heat Waves
Adler Hot Oil Service, LLC	Delaware	100% by Enservco