Parametrix ranked a 2024 Top Design Firm


Seattle, WA – Engineering News-Record has released its annual Top Design Firms list, which ranks firms based on revenue for design services performed in the previous year. This year Parametrix was ranked 143, up nine spots from 2023. Parametrix has been ranked in the top 500 design firms for over 25 years.

Last year the firm generated $185 million in design revenue, the largest share of which was in the transportation sector, followed by sewer/waste and water supply.

Some of the firm’s largest projects by total revenue in 2023 were the Interstate Bridge Replacement program, the SH-16 Phase 3 project with the Idaho Transportation Department, Olympic Region Gorst Area Fish Passage Removal with the Washington State Department of Transportation, and the LOTT Clean Water Alliance Biological Treatment Process Digester.

An overpass being constructed over a freeway with the sunset in the background.
SH-16 crosses over I-84 in Nampa, ID.

“It’s an honor to once again be ranked among the top 500 design firms. Thank you to our clients for trusting us to help create vibrant, sustainable communities,” said Parametrix President and Chief Executive Officer, John Willis, PE.

About Parametrix

Parametrix is a 100-percent employee-owned consulting firm helping clients deliver resilient infrastructure, livable communities, and environmentally sustainable solutions. From offices across the Western United States, our team of engineers, planners, scientists, landscape architects, surveyors, project managers, and construction managers are helping our clients imagine what’s possible and create tomorrow, together. Learn more at

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