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Connecticut Materials Testing Laboratory, Inc.

Family owned since 2001

 CMTL Inc. is Connecticut's foremost independent construction testing laboratory, offering inspection services to all of Connecticut,
the suburban New York area & New England. 

gerentes de construção

Our services

We offer several services

to better serve you.

Based in Norwalk, Connecicut we are also now in  New York City & Florida, doing business as Metro Materials Testing Lab.

Our trained, certified & experienced engineers and technicians work to ensure the highest quality of workmanship on all our projects.

For over 20 years we have offered inspection & consulting services for:

structural steel, concrete, asphalt, soil, masonry, cold form steel, weld inspections, fireproofing, wood framing, design mixes, as well as advanced inspections to provide the statement of special inspections for commercial and residential properties.


NVLAP accredited


AASHTO accredited

Nuclear Density Testing for soils & asphalt



Till now we were able to accomplish


Completed projects


Expert employees


Years In Business

Our projects


"Great local company specializing in special inspections! Their inspectors are of high quality, communicative, and knowledgeable."

- Laura Wrinn 

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