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TEL :203-949-7733 | OPEN: MONDAY-FRIDAY 7:00-5:00


TSMT represents one of the largest full-service testing, inspection and engineering companies servicing the construction industry in the Connecticut region.We project our experience all over the state.

Founded in 1995, TSMT has steadily grown and expanded its capabilities, providing accurate, professional service to each and every client.

The company now serves clients throughout Connecticut, Mass, and RI.

Our broad scope of services allows us to handle the inspection and testing needs of the construction industry from concrete, asphalt and soil testing to exploratory soil borings, welding & structural steel inspection, masonry and window testing


Tri State has successfully served the needs of multiple agencies, resulting in relationships lasting many decades.