AAR TESTING AND INSPECTION, INC.

On November 28, 2025, AAR joined SOCOTEC, marking an exciting new chapter in our company’s history. This partnership builds on AAR’s long-standing legacy of technical excellence, integrity, and people-focused service. By joining SOCOTEC, we expand our reach and capabilities as part of a unified team of more than 1,700 experts nationwide. Together, we deliver broader, integrated solutions to better serve our materials testing and construction quality clients.

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Founded in 1989, AAR has continuously provided construction quality assurance, quality control, special inspection, and materials testing services throughout Washington State. AAR is a Washington Association of Building Officials (WABO) certified independent special inspection and materials testing agency headquartered in Redmond, Washington. Our laboratories in Redmond, Lacey, and Wenatchee are accredited by the American Association of State Highway and Transportation Officials (AASHTO). AAR is also certified by the State of Washington as a Minority-Owned Disadvantaged Business Enterprise (DBE), Minority Business Enterprise (MBE), and Small Business Enterprise (SBE).

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AAR’s mission is to ensure high-quality construction projects by delivering professional, efficient, and reliable construction quality assurance, quality control inspection, and materials testing services.

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* for a detailed list of our AASHTO accreditations by office,

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