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We know that our success starts with you.

Established in 1981, in Burlington, Washington, Materials Testing & Consulting, Inc. maintains multiple fully certified and accredited locations throughout Western Washington. Our laboratories provide a full spectrum of professional services including geotechnical engineering and consulting, environmental engineering and consulting, special and construction inspection, materials testing and non-destructive testing. Here, at MTC, we know that our success starts with you. We recognize  that the framework of each project is dependent upon safety, reliability, professionalism, and trust within our  client relationships.  MTC maintains a highly qualified staff, allowing us the opportunity to cater to the needs of each project we are awarded.


As a Washington State registered Engineering Corporation and WABO approved agency, MTC provides its specialized services for numerous projects in the Greater Puget Sound area. We’re continually working with school districts, municipalities, public and private entities to assure each and every project conforms to engineering specifications, local building codes and standards during all phases of construction. With an experienced and reliable inspection staff, we think you’ll agree that our abilities meet each and every need that may arise. MTC is approved, accredited, licensed, affiliated, registered with and/or certified by the following national, state and local organizations:

  • Certified Small Business:

    • NAICS Codes 541350, 541330, 541360, 541380, 541620, 541990

  • Washington State Licensed Engineering Corporation #2005

    • Washington State Licensed Professional Engineers

    • Washington State Licensed Engineering Geologists

    • Washington State Licensed Geologists

  • Washington Association of Building Officials (WABO)

    • Burlington, Washington

    • Olympia, Washington

  • American Association for Laboratory Accreditation (A2LA)

    • Burlington, Washington  - Certificate #1366-01

    • Olympia, Washington - Certificate #1366-02

  • American Association of State Highway and Trasnsportation Officials Accredited (AASHTO)

  • Washington State Department of Transportation (WSDOT)

  • International Code Council (ICC)

  • Northwest Council of Engineering Laboratories (NWCEL)

  • Western Alliance for Quality Transportation Construction (WAQTC)

  • Washington State Dept. of Ecology and USACE 

  • American Concrete Institute (ACI)

  • American Welding Society (AWS)

  • American Society for Testing and Materials (ASTM)

  • American Society for Non-Destructive Testing (ASNT)

  • USACE Certified Laboratory

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