Enservco Corporation provides various services to the domestic onshore oil and natural gas industry. These services include frac water heating, hot oiling and acidizing (well enhancement services); water transfer and water treatment (water transfer services); water hauling, fluid disposal, frac tank rental (water hauling services); and, excavating, grading, and dirt hauling services (construction services). The Company owns and operates a fleet of specialized trucks, trailers, frac tanks and other well-site related equipment and serves customers in several major domestic oil and gas fields including the DJ Basin/Niobrara area in Colorado, the Bakken area in North Dakota, the Marcellus and Utica Shale area in Pennsylvania and Ohio, the Jonah Field, Green River and Powder River Basins in Wyoming, the Eagle Ford Shale in Texas and the Mississippi Lime and Hugoton field area in Kansas and the Stack and Scoop plays in the Anadarko Basin in Oklahoma.