Top 10 Engineering Companies for Construction
From civil to structural, California’s top engineering firms power the state’s infrastructure and construction success. These companies deliver precise planning, innovative solutions, and technical expertise for every project stage.
FEATURED ENGINEERING COMPANIES
Degenkolb Engineers
San Francisco-based structural engineering leader specializing in seismic retrofits, hospitals, higher education, and large-scale commercial construction.
Website: degenkolb.com
Contact: (415) 392‑6952
KPFF Consulting Engineers
Multidisciplinary firm offering structural and civil engineering services for transportation, civic, education, and healthcare projects.
Location: Los Angeles, San Francisco, Oakland
Website: kpff.com
Contact: (213) 622‑1800
T.Y. Lin International
San Francisco-headquartered global firm known for bridge, highway, and transit engineering with landmark projects across California.
Website: tylin.com
Contact: (415) 291‑3700
Tetra Tech, Inc.
Pasadena-based engineering and consulting giant providing environmental, water, transportation, and infrastructure services.
Website: tetratech.com
Contact: (626) 351‑4664
Fluor Corporation
Global engineering and construction firm founded in California — delivering complex infrastructure, industrial, and energy projects.
Location: Irvine, CA (regional)
Website: fluor.com
Contact: (469) 398‑7000
Kleinfelder
San Diego–based engineering and environmental firm delivering solutions in civil infrastructure, transportation, and construction management.
Website: kleinfelder.com
Contact: (619) 831‑4500
Miyamoto International
Sacramento-headquartered global firm leading in seismic engineering, disaster resilience, and structural innovation.
Website: miyamotointernational.com
Contact: (916) 371‑9720
McLaren Engineering Group
Full-service engineering firm offering structural and civil services with a focus on entertainment, maritime, and infrastructure.
Location: West Coast operations in California
Website: mgmclaren.com
Contact: (866) 625‑2736
Harris & Associates
Bay Area–based civil engineering and project delivery firm supporting public infrastructure, water resources, and transportation projects.
Website: weareharris.com
Contact: (925) 827‑4900
Consor Engineers
Multidisciplinary engineering firm offering bridge, highway, utility, and construction services across California.
Website: consoreng.com
Contact: (619) 321‑1875
