Prost Builders has completed various projects with the Missouri State Capitol over the years. These projects include the North Plaza renovation, replacement of the escalators and elevators, skylight replacement and restoration, and the huge bronze doors restoration. Prost Builders also completed the Environmental Control Center (ECC) chiller upgrades which provide cooling to the State Capitol, Supreme Court, Truman Building, and other State buildings. Other Capitol projects were the exterior stone terrace renovation and the 2-year historic removal and restoration of the stained glass daylight above the Grand Staircase by stained glass experts in Los Angeles.
