Chicago Testing Lab

We are a full-service provider that can offer you a complete range of testing, inspection, training, consulting and research capabilities in an expanded service area. We are proud to have a rich history contributing to the success of the construction materials industry here in the Midwest and nationwide. In addition, CTL provides consulting services in the fields of geotechnical engineering, construction inspection and other specialty areas. CTL is dedicated to meeting your needs with highly qualified laboratory and field personnel. We offer hundreds of years of combined expertise along with an unparalleled depth of professional experience. We offer a best-in-class resource for testing, inspection, training, consulting and research. Founded as the Chicago Paving Laboratory by Lester Kirschbraun, a noted asphalt technologist and holder of many patents on asphaltic products. CTL's expertise in asphalt materials, including liquids testing and HMA mixture designs, is expanded.