Jacobs, IMEG, Mazzetti, TLC Engineering Solutions, KPFF Consulting Engineers, Woolpert, Specialized Engineering Solutions, and Kimley-Horn top Building Design+Construction's ranking of the nation's largest outpatient facility 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