R & R Concrete Contractors, 46 Keith Dr, Shenandoah, IA 51601, US

Established in 1949, Henningsen Construction, located in Atlantic, Iowa, provides construction and management services. The company also provides computer-aided designing and engineering services. It specializes in building designing pre-engineered metal buildings and asphalt paving projects. The company has asphalt paving and metal buildings and roofing divisions. Its paving projects include parking lots, small streets, tracks and tennis courts. Its staff helps in designing and preparing layout of projects. Additionally, it provides structural erecting and concrete crews for project work. The company also offers roof replacing services and warranty programs. It has completed more than 1,900 projects, such as the Cardinal glass building.