Jacobs, IMEG, KPFF Consulting Engineers, Interface Engineering, TLC Engineering Solutions, Salas O'Brien, and Terracon Consultants top Building Design+Construction's ranking of the nation's largest medical office building 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