Quality Control Laboratories, LLC (QCL) is an MBE- and DBE-certified Special Inspection and Materials Testing Agency serving New York City’s major infrastructure and building projects.
As a NYC-Class 1 Special Inspection Agency, QCL provides a full range of inspection services including concrete, steel, masonry, asphalt, structural monitoring, vibration monitoring, and now coating inspection.
Our team is composed of licensed Professional Engineers, certified inspectors, and union members under Local 282 who work closely with public agencies such as NYCDOT, DDC, and CUNY.