HDR, CannonDesign, SmithGroup, Perkins&Will, Gensler, Stantec, MOREgroup, Array Architects, and Perkins Eastman top Building Design+Construction's ranking of the nation's largest outpatient facility architecture and architecture engineering (AE) firms for 2026, as reported in BD+C's 2026 Giants 400 Report.

More 2026 healthcare firm rankings:

• Top 180 Healthcare Architecture Firms
• Top 100 Healthcare Engineering Firms 
• Top 130 Healthcare Facility Construction Firms 
• Top 130 Hospital Facility Architecture Firms 
• Top 90 Hospital Facility Engineering Firms 
• Top 100 Hospital Facility Construction Firms 
• Top 130 Medical Office Building Architecture Firms 
• Top 50 Medical Office Building Engineering Firms 
• Top 70 Medical Office Building Construction Firms 
• Top 115 Outpatient Facility Architecture Firms 
• Top 50 Outpatient Facility Engineering Firms 
• Top 65 Outpatient Facility Construction Firms

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