Founded by Raymond P. Elliott, P.E., in 1968. Materials Testing Consultants, Inc. (MTC) is a Michigan Corporation providing engineering, consulting and independent testing services. Specializing in construction materials testing, soil mechanics, and environmental matters. Our range of services cover the state of Michigan with our corporate office in Grand Rapids, a branch in Ann Arbor, and portable labs for remote locations. 

We are affiliated with MATECO Drilling Company, located in Rockford, MI. MATECO is a geotechnical and environmental drilling contractor. Our combined abilities allow us to uniquely and productively manage projects with our in-house personnel, equipment, controlling the approach, cost, safety, and technical aspects of the engagements.