AECOM, KPFF Consulting Engineers, Thornton Tomasetti, WSP, Buro Happold, ME Engineers, CMTA, and Kohler Ronan head Building Design+Construction's ranking of the nation's largest cultural facilities sector engineering and engineering architecture (EA) firms for 2026, as reported in BD+C's 2026 Giants 400 Report.

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