In 2008, WJA Design Collaborative joined Tetra TechTetra Tech is a leading supplier of consulting, engineering, and technical services. With over 8,500 associates situated in 350 offices around the world, the firm supports commercial and government customers in the areas of resource management and infrastructure.

Contact Details

  City Seattle , WA
  Zip Code 98134
  Address 1736 Fourth Avenue South # A
  Phone Number (206) 254-2570