Top 50 Public Library Engineering Firms for 2025

KPFF Consulting Engineers, IMEG, WSP, CMTA, Thornton Tomasetti, CHA Consulting, Jensen Hughes, and LANGAN top Building Design+Construction's ranking of the nation's largest public library engineering and engineering/architecture (EA) firms for 2025, as reported in BD+C's 2025 Giants 400 Report.

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