Preston Testing & Engineering

Preston Testing & Engineering Company. Has over three decades in operation delivering dependable and experienced service to counties, municipalities, contractors, developers, and owners to ensure quality in construction. In addition to our complete service concrete laboratory, asphalt laboratory, and soils laboratory, Preston maintains our own drill rig and sufficient equipment to conduct a range of subsurface investigations in order to determine the engineering properties of soil and rock. The data is analyzed and a geotechnical report prepared by a licensed engineer.