Founded 1944
Parsons Corporation
Chantilly, United States
US-based engineering and infrastructure firm providing bridge and tunnel design, seismic analysis and ongoing inspection/maintenance/upgrade services, with a stated portfolio of more than 4,500 crossings globally, built in part through legacy bridge-engineering acquisitions.
- Headquarters
- Chantilly, United States
- Founded
- 1944
- Website
- www.parsons.com
Notable facts
- Founded in 1944 by Ralph M. Parsons; relocated its corporate headquarters to Chantilly, Virginia in September 2023.
- Grew its bridge practice through acquisitions including DeLeuw, Cather and Company (1977) and Steinman, Boynton, Gronquist and Birdsall (1988).
- Cites ongoing inspection and maintenance work on historically significant bridges such as the Mackinac Bridge.
Service categories
Sources. This profile is compiled from public reference data, WebSearch-verified againstsource 1 · source 2 · source 3. Data as of 2026-07-11. See methodology.
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