Suffolk, Summit Contracting Group, Clark Group, McShane Companies, Weis Builders, Big-D Construction, STO Building Group, AECOM, PCL Construction, and Swinerton top Building Design+Construction's ranking of the nation's largest apartment building and condominium general contractors and construction management (CM) firms for 2026, as reported in BD+C's 2026 Giants 400 Report.

Source: Building Design+Construction's 2026 Giants 400 Report