Enservco Corporation, through its subsidiaries, provides well enhancement and fluid management services to the onshore oil and natural gas industry in the United States. It offers frac water heating, hot oiling, pressure testing, acidizing, bacteria and scale treatment, freshwater and saltwater hauling, fluid disposal, frac tank rental, well site construction, and other general oil field services. The company owns and operates a fleet of approximately 338 specialized trucks, trailers, frac tanks, and other well-site related equipment. It operates in the eastern United States region comprising the southern region of the Marcellus Shale formation and the Utica Shale formation in eastern Ohio; Rocky Mountain region consisting of western Colorado and southern Wyoming, central Wyoming, western North Dakota, and eastern Montana; and the Central United States region, including Eagle Ford Shale and Permian Basin in Texas. Enservco Corporation was incorporated in 1980 and is headquartered in Longmont, Colorado.