HCN, a Terracon Company, provided construction materials engineering and testing and monitoring services for the Freedom Center, Megen/Dugan & Meyers, and Blackburn Architects. The museum and learning center consists of three connecting buildings: Courage, Cooperation, and Perseverance. The center pavilion is six stories and both side buildings are four-story buildings. All buildings were constructed of reinforced concrete with structural steel penthouse with natural stone cladding and metal panel exteriors. A summary listing of services provided for the Freedom Center included concrete placement inspection, reinforcing steel inspection, stone cladding inspection, concrete cylinders, structural steel inspection, masonry inspection, and ire stopping inspection.