Brown and Caldwell

Brown and Caldwell is an engineering, science and consulting firm focused on water. Its work covers water supply and treatment, wastewater and reclamation, stormwater, industrial water and data center water, along with emerging contaminants such as PFAS. Clients can also turn to the firm for compliance and permitting, construction management, site investigation and remediation, and its BC:Opta offering.

Founded in 1947 by Ken Brown and Dave Caldwell, the company is employee-owned and works with water utilities, cities and industrial clients. Its Tacoma office on South Fawcett Avenue is one of several locations, and general inquiries are handled through a main phone line. Career and media contacts are listed separately on its site.