Enservco Corporation, through its subsidiaries, provides well enhancement and fluid management services to the onshore oil and natural gas industry. It offers hot oiling and acidizing, frac water heating, pressure testing, acidizing, and water hauling services, as well as well site construction services. The company owns and operates 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 East Texas Oilfield in Texas. The company was incorporated in 1980 and is headquartered in Longmont, Colorado.