Enservco Corp. engages in the operation of fleet services. It operates through the Production Services and Completion Services segments. The Production Services segment utilizes a fleet of hot oil trucks and acidizing units to provide maintenance services to the domestic oil and gas industry. The Completion Services segment focuses on fleet of frac water heating units to provide frac water heating services and related support services to the domestic oil and gas industry. The company was founded by Michael D. Herman on February 28, 1980 and is headquartered in Denver, CO.