Material Service Testing Inc. (MST) is an IDOT Pre-Qualified, Minority Business Enterprise (MBE), Disadvantaged Business Enterprise (DBE), QA Complete construction materials testing laboratory and materials engineering consulting firm located in the Chicago metropolitan area. MST focuses on providing pre-construction consulting services, construction and materials engineering and inspection, professional laboratory and field services, as well as forensic material consulting as needed. We provide our clients with a “complete package” of sound engineering expertise and keen business acumen. Our blend of strong technical and management skills allows us to better serve our clients, which sets us apart from the competition.   At MST we pride ourselves on our ability to create innovative solutions to meet our client’s needs and continually expand our services utilizing our highly trained and diverse professional, technical and support staffs. Our staff includes over twenty skilled and certified field technicians that are represented by the International Union of Operating Engineers, Local 150. MST maintains a fully equipped laboratory accredited by the U. S. Army Corps of Engineers, Illinois Department of Transportation (IDOT), American Association of State Highway Transportation Officials (AASHTO), Cement and Concrete Reference Laboratory (CCRL), and AASHTO Materials Reference Laboratory (AMRL).