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 and AASHTO as a quality control measure as well. We are fully licensed, registered and insured as required by the NYC Department of Buildings.
NYC Building Department- Concrete Lab License
NYC Building Department- Special Inspection Agency License
AASHTO Lab Accreditation