Established in 1953, Dean Lewis Associates Inc. specializes in offering original equipment manufacturer (OEM) engineering parts and supplies. Based in Hayward, Calif., it is a manufacturer's representative as well as a distributor with a complete tool repair facility in both the Hayward and Pacific Northwest facilities. The company's product line includes access hardware solutions, high strength fastening systems, blind threaded captive fasteners, gas springs/dampers, truck trailer hardware, fastener tools, assembly tools and continuous hinge. Dean Lewis Associates Inc. represents brands, such as Digilock, Southco, Cooper Tools and Ziyan.