Partners: network

Paul Arnold, Henry Morton Brinckerhoff Jr., William Barclay Parsons

Firm Notes

Parsons Brinckerhoff had its headquarters in Seattle, WA, in 2006.

In 05/2017, Parsons Brinckerhoff was purchased by WSP in 10/2014. It was known as WSP | Parsons Brinckerhoff until 05/2017, when the name became only "WSP." (See WSP.com, "WSP Parson Brinckerhoff Rebranding as WSP," published 01/12/2017, accessed 05/23/2022.)

PCAD id: 2615