Mayes Testing Engineers. has been performing testing and inspection services on construction materials since 1984. Locally owned & operated, we currently have fully accredited laboratories in Seattle, Tacoma and Portland. We have one of the biggest staffs of certified inspectors in the Pacific Northwest.

Contact Details

  City Portland , OR
  Zip Code 97211
  Address 7911 Northeast 33rd Driv # 190
  Phone Number (503) 281-7515