CORE Construction, Pogue Construction, Gilbane Building Company, Joeris General Contractors, Bartlett Cocke General Contractors, Balfour Beatty US, and Satterfield & Pontikes Construction top Building Design+Construction's ranking of the nation's largest K-12 school building contractors and construction management (CM) firms for 2026, as reported in BD+C's 2026 Giants 400 Report.

For more K-12 school sector rankings, check out:   
• Top 160 K-12 School Sector Architecture and AE Firms 
• Top 90 K-12 School Sector Engineering and EA Firms

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