Gensler, CannonDesign, Perkins&Will, HGA, Quinn Evans, SmithGroup, DLR Group, Populous, and Diamond Schmitt Architects top Building Design+Construction's ranking of the nation's largest cultural facilities sector architecture and architecture engineering (AE) firms for 2026, as reported in BD+C's 2026 Giants 400 Report.

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