Mayes Testing Engineers, Inc. is approved by the Washington Association of Building Officials (WABO) to perform inspection services for reinforced concrete, prestressed (post tensioned) concrete, shotcrete, structural masonry, structural steel/welding, lateral wood, and spray-applied fireproofing. We have one of the largest staff of WABO registered inspectors in the Pacific Northwest. All nondestructive testing is performed in accordance with ASNT SNT-TC-1A, supervised by Level III individuals qualified by examination.

In addition, our laboratory is in full conformance with ASTM E-329 "Recommended Practice for Independent Testing & Inspection Agencies." All personnel are under direct supervision of Washington State and Oregon State Registered Professional Engineers as required by E-329. Also, as required by ASTM E-329, our laboratory has been accredited by A2LA (Certificate No. 1002), Washington State Department of Transportation (WSDOT), Oregon Department of Transportation (ODOT) and the US Army Corps of Engineers. Our A2LA Accreditation complies with ISO/IEC 17025.2005.

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