HKS, HDR, Stantec, CannonDesign, Perkins&Will, SmithGroup, NBBJ, HGA, HOK, and MOREgroup head Building Design+Construction's ranking of the nation's largest healthcare facility architecture and architecture/engineering (AE) firms for 2026, according to BD+C's 2026 Giants 400 Report. Note: This ranking factors revenue for all healthcare buildings work, including hospitals, medical office buildings, and outpatient facilities. 

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