Companies / C / Chicago Testing Laboratory, Inc.
Chicago Testing Laboratory, Inc.
Supplier · Thornton, IL
About Chicago Testing Laboratory, Inc.
Chicago Testing Laboratory, Inc. (CTL) is a construction materials testing and geotechnical inspection firm founded in 1912 and headquartered in Thornton, Illinois. Provides laboratory testing and field inspection of construction materials including asphalt, concrete, aggregates, soils, and liquid asphalt for construction projects, municipalities, and government agencies. Also operates Chicago Paper Testing division for paper and paper-related materials. Clients include Illinois Department of Transportation and the U.S. Army Corps of Engineers. Additional services include geotechnical engineering consulting, construction inspection, and specialty testing. Asphalt testing, concrete testing, aggregate testing, soils testing, geotechnical engineering, construction inspection.
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