Gensler, Populous, DLR Group, GBBN, CannonDesign, HGA, Diamond Schmitt Architects, and Ennead Architects top Building Design+Construction's ranking of the nation's largest performing arts center and concert venue 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