TSMT is the region’s trusted partner for full-service materials testing, special inspections, and engineering solutions helping construction teams deliver safer, stronger, and fully compliant projects across the tri-state area.

Founded in 1995, TSMT has grown by prioritizing client needs: accurate results, responsive service, and reliable expertise. We support contractors, owners, architects, and engineers throughout Connecticut, New York, Massachusetts, and Rhode Island with a comprehensive range of testing and inspection services, including concrete, reinforcing steel, asphalt, soils, cold-formed framing, exploratory soil borings, welding, structural steel, window testing, masonry, and full special inspections. Our broad capabilities allow clients to work with a single, dependable provider from start to finish.

TSMT is NVLAP accredited and maintains full compliance with AASHTO, CCRL, AMRL, ASTM, AWS, ASNT, BOCA, and ACI standards, including ASTM E329 and ASTM C1077 laboratory requirements. Regular participation in CCRL and AMRL proficiency programs ensures consistent, high-quality performance that clients can rely on.

Our team is trained continuously in the latest technologies, procedures, and updated codes and standards ensuring clients always receive the most current and dependable expertise. We also offer training opportunities to our clients, supporting their teams’ understanding of testing requirements and inspection processes. TSMT encourages our inspectors to pursue advanced certifications, strengthening the value we bring to every project and every client partnership.

Tri State Materials Testing Lab

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