Chicago Testing Laboratory

Chicago Testing Laboratory (CTL), founded in 1912, has established itself as a leading resource for testing and inspection of construction materials, including asphalt, aggregates, concrete, and soils. With a legacy of over a century, CTL offers a comprehensive range of services including consulting in geotechnical engineering and construction inspection, supported by advanced technology and a team with extensive industry expertise.

Over the years, CTL has expanded its operations and capabilities, incorporating innovative testing methods and becoming a recognized entity within the industry. The company prides itself on its commitment to quality and integrity, with senior staff averaging over 25 years of experience, contributing to the success of the construction materials sector both regionally and nationally.

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