WSP Environment & Energy is a leading global environmental and energy consultancy helping our clients manage risk, enhance management systems and make sustainable improvements in their business operations.

WSP Flack + Kurtz is an internationally recognized engineering consulting firm with a current staff of around 500 engineering and support personnel throughout the United States.

WSP Cantor Seinuk is an internationally recognized structural engineering firm specializing in the design of building structures of varied types and usages.

WSP SELLS is a transportation engineering firm, providing award winning services on all sizes of bridge, highway and infrastructure projects.