Top 80 Science and Technology Facility Construction Firms for 2025

Austin Industries, Whiting-Turner Contracting, Skanska USA, Turner Construction, Gilbane Building Company, Hensel Phelps, DPR Construction, Suffolk, and STO Building Group top Building Design+Construction's ranking of the nation's largest science and technology (S+T) facility general contractors and construction management firms for 2025, as reported in BD+C's 2025 Giants 400 Report. Note: This ranking factors revenue from all science and technology (S+T) buildings work, including laboratories, research buildings, technology/innovation buildings, pharmaceutical production facilities, and semiconductor production facilities.

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