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INNOVATE.
CREATE.
We build strong partnerships through our unwavering commitment to deliver quality services and a practical solutions that exceed our clients’ expectations improve our communities and respect the environment.
AWARDS & RANKINGS
#75
2025 ENR TOP 500 DESIGN FIRMS
#62
2025 ENR TOP 100 PURE DESIGN FIRMS
#147
2024 ENR TOP 150 GLOBAL DESIGN FIRMS
#5
2024 ZWEIG HOT FIRM
#36
2024 ZWEIG BEST FIRMS TO WORK FOR
Our Expertise
Water/Wastewater
Water Resources
Transportation
Public Works
Civil
Environmental
Aviation
Featured Projects
Seattle Aquarium Ocean Pavilion
SR 1 Bridge Over Southern Railroad Broadway Viaduct
SR 29 Intersection at I-40 WB Off-Ramp
Forest Creek Edgewater Pump Station
SR 1 Bridge Over Southern Railroad Broadway Viaduct
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News & Insights
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DART Silver Line Brings a Long-Standing Regional Vision to Life
Read More about DART Silver Line Brings a Long-Standing Regional Vision to Life -
Ardurra Expands California Water Expertise with Acquisition of MKN & Associates
Read More about Ardurra Expands California Water Expertise with Acquisition of MKN & Associates -
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Ardurra Rises to #70 on ENR’s Top 200 Environmental Firms List!
Read More about Ardurra Rises to #70 on ENR’s Top 200 Environmental Firms List!
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