Indianapolis Testing Labs
Chicago Testing Labs
 
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Chicago Testing Laboratory represents one of the world’s premier resources for the quality control and quality assurance of asphalt and asphalt materials, liquids, aggregates, concrete and soils. In addition, CTL provides consulting services in the fields of Geotechnical, Environmental and Construction Materials Engineering.

We are dedicated to meeting your needs with highly qualified laboratory and field technicians. CTL offers hundreds of years of combined expertise along with an unparalleled depth of professional experience. We are a full-service provider who can offer you a complete range of testing, inspection, training, consulting and research capabilities, in an expanded service area (see map).