Jacobs, WSP, IMEG, AECOM, Bard, Rao + Athanas Consulting Engineers, Salas O'Brien, Smith Seckman Reid, and Arup US top Building Design+Construction's ranking of the nation's largest healthcare facility engineering and engineering/architecture (EA) 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. 

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