We are one of the leading providers of construction quality assurance services in the Pacific Northwest.
Our services include construction materials testing and special inspection. With one of the largest staffs of WABO registered inspectors in Washington, backed by Terracon’s national network, our team is ready to assist today.
We provide structural inspection and material testing required by local building codes. Services include:
Mayes Testing Engineers, Inc. is approved by the Washington Association of Building Officials (WABO). Our laboratories are A2LA Accredited and WSDOT validated.
Come join our team
Local news about our Seattle and Tacoma Materials Teams
What is an “apogee”? It is defined as a highest point or culmination. Terracon’s group of inspectors, technicians, administrators and engineers hit apogees on a daily basis. Here is where you can experience the highs for yourself.
Read some of the latest articles in our Blog