Polymer Corporation

Polymer Corporation manufactures close-tolerance plastic parts and assemblies for blue-chip customers with demanding applications worldwide. We are the world’s leading producer of liquid resin cast parts and an award-winning producer of injection-molded parts, machined plastic parts, fully functional quick-turn ProtoParts™, and rapid prototypes produced using leading-edge additive manufacturing technologies. We focus on five key markets: medical; defense, security & aerospace; marine/underwater; fluid management; and industrial technologies. We operate from three ISO 9001:2015, AS9100D, ITAR, and UL registered facilities in Massachusetts and Connecticut, with floor space totaling square feet, and have a Federal Firearms License, US Government CAGE Code, and significant Mil-SPEC/DOD experience. Whether you need hundreds of parts or hundreds of thousands or more, Polymer has the right production process for you. Polymer’s technical staff works closely with you to refine design concepts, complete product designs, and optimize them for manufacturability. We use a wide range of thermoset and thermoplastic materials to couple the best manufacturing process and material for your application. Many customers rely on us for more than one production process for assemblies of parts or as a product progresses through its life cycle. At Polymer, we are passionate about quality. We are adept at working with companies whose products must go through demanding regulatory and customer approvals. We have ISO Class 8 clean room capability. Polymer does it right, does it fast, and does it cost effectively. To learn more, visit or give us a call at (781) 871-4606.