New customer? Register here

The gold standard for laboratory accreditation in the construction industry

Search for an Accredited Lab

If you have already registered your laboratory, please login to your laboratory page, and click 'Request an Assessment' to submit an assessment request.

If you have not registered, please contact us at (240)-436-4900 to obtain an Access Code and Passkey required to register your laboratory for online access to the AASHTO re:source website, or Request Laboratory Registration.