Top 80 Laboratory Engineering Firms for 2025

Jacobs, Affiliated Engineers Inc., Burns & McDonnell, EXP, Vanderweil Engineers, Salas O'Brien, WSP, Arup US, and IMEG top Building Design+Construction's ranking of the nation's largest laboratory 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