This industry comprises establishments primarily responsible for the construction (including new work, additions, alterations, maintenance, and repairs) of commercial and institutional buildings and related structures, such as stadiums, grain elevators, and indoor swimming facilities. This industry includes establishments responsible for the on-site assembly of modular or prefabricated commercial and institutional buildings. Included in this industry are commercial and institutional building general contractors, commercial and institutional building operative builders, commercial and institutional building design-build firms, and commercial and institutional building project construction management firms. Illustrative Examples: Airport building construction Office building construction Arena construction Parking garage construction Barrack construction Prison construction Farm building construction Radio and television broadcast studio construction Fire station construction Religious building (e.g., church, synagogue, mosque, temple) construction Grain elevator construction Restaurant construction Hospital construction School building construction Hotel construction Shopping mall construction Indoor swimming facility construction Warehouse construction (e.g., commercial, industrial, manufacturing, private) Cross-References. Establishments primarily engaged in-- ? Constructing structures that are integral parts of utility systems (e.g., storage tanks, pumping stations) or are used to produce products for these systems (e.g., power plants, refineries)--are classified in Industry Group 2371, Utility System Construction, based on type of construction project; ? Performing specialized construction work on commercial and institutional buildings, generally on a subcontract basis--are classified in Subsector 238, Specialty Trade Contractors; and ? Constructing buildings on their own account for rent or lease--are classified in Industry Group 5311, Lessors of Real Estate.