Portland – Mayes Testing EngineersGeolocation: 45.5807, -122.6347

Mayes Testing Engineers (Mayes) has joined Terracon as Mayes Testing Engineers, A Terracon Company.  Mayes is known as one of the largest providers of construction quality assurance services in the Pacific Northwest with in-depth welding, concrete, soils, masonry, asphalt, and non-destructive testing experience. The Mayes team provides special inspections, materials testing, condition surveys and other materials consulting for owners, developers, architects, contractors, and structural engineers.

7911 NE 33rd Dr., Suite 190
Portland, OR 97211

Phone: (503) 281 7515
Fax: (503) 281 7579




Jennifer Hempel, Marketing Client Services Manager