Top 180 Government Building Architecture Firms for 2025

AECOM, Stantec, Gensler, Perkins&Will, HOK, Skidmore, Owings & Merrill, HDR, DLR Group, and Page top Building Design+Construction's ranking of the nation's largest government building sector architecture and architecture/engineering (AE) firms for 2025, as reported in BD+C's 2025 Giants 400 Report. Note: This ranking includes revenue from all government building sectors, including federal, state, local, military, and Veterans Affairs (VA) buildings. Note: This ranking was updated on April 7, 2026, to reflect AECOM's architecture revenue for government-related building work. 

Source: Building Design+Construction's 2025 Giants 400 Report