Tri-Mack Plastics Manufacturing supplies high performance thermoplastic parts to the aircraft, aerospace, chemical process, semi-conductor, electrical, medical and industrial-machinery industries. The company offers custom manufacturing, rapid prototyping and custom products. It has grown to become an industry authority in identifying optimal materials, part designs and manufacturing processes. Capabilities include many types of machining, injection molding, assembly and packaging operations. Tri-Mack has developed a series of proprietary compounds and processes including thermally conductive Maxthern plastic parts, Maxton high speed bearings, Maxtools and textile machinery components. The company was established in 1974 and is located in Bristol, R.I.