Civil construction, including earthwork, piling, shoring systems, underground utilities and site improvements; concrete work including forming, placing and finishing, precast and tilt-up concrete work; seismic upgrades, steel erection, miscellaneous and ornamental metals, metal insulated panels, metal siding and roofing; carpentry and millwork; insulation and fireproofing; doors and hardware; metal framing, wallboard, acoustical treatment, ceilings; building specialties, equipment and furnishings, and material handling systems