As an operating unit within Skanska USA Civil, E.L. Yeager Construction Company does business as Yeager Skanska. Yeager Skanska constructs highways, dams, bridges, airport and flood-control structures. Nielsons Skanska in Colorado, another division of Skanska USA Civil West, constructs projects such as water filtration plants, bridges, roads, dry docks, lime plants, tunnels, cement plants and natural-gas treatment plants. Nielsons Skanska also performs environmental remediation and reclamation and has worked on projects throughout the Southwestern United States. Yeager Skanska operates a location in Riverside, Calif.