Tri State Materials Testing Lab Information

TSMT is the tri-state region’s trusted partner for materials testing, special inspections, and engineering support. Since 1995, we’ve helped contractors, developers, and design teams deliver safer, stronger, and fully compliant projects across Connecticut, New York, Massachusetts, and Rhode Island. We provide full-scope testing and inspection services including concrete, soils, asphalt, structural steel, welding, masonry, and special inspections—supporting projects from foundation to completion. TSMT is NVLAP accredited and maintains compliance with ASTM, ACI, AWS, ASNT, AASHTO, BOCA, ICC, CCRL, and AMRL standards. Our focus is simple: accurate results, responsive service, and reliable field execution so projects stay on schedule and in compliance.