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
We are dedicated to meeting your needs with
highly qualified laboratory and field technicians. CTL offers
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).