Mayes Testing Engineers, Inc. has been performing testing and inspection services on construction materials since 1984. Locally owned and operated, we have fully accredited laboratories in Seattle, Tacoma and Portland. With one of the largest staffs of certified inspectors in the Pacific Northwest, our firm has worked on many high profile, complex construction projects. Our clients include Microsoft, Boeing, University of Washington, Portland State University, Providence Health System, Port of Seattle, and many private and public agencies.
Mayes Testing Engineers Address
20225 Cedar Valley Road Lynnwood, WA United States