Richmond Testing Lab, Inc. (RTL) is a NYC registered and accredited Class 1 Special Inspection Agency. We are also a registered and accredited Concrete Testing Lab.  RTL is accredited by IAS, AASHTO & AMRL and participate in CCRL as a quality control measure as well. We are fully licensed, registered and insured as required by the NYC Department of Buildings.

Building Department- Concrete Lab License

NYC Building Department- Special Inspection Agency License

AASHTO Lab Accreditation*V

IAS Accreditation


        AASHTO         AASHTO