PTI, Inc. is a Point Pleasant, West Virginia manufacturer of molded plastic components, working with both thermoplastic and thermoset compounds. Its in-house operation takes projects from design and mold building through production, with presses ranging from 85 to 1,500 tons and support for prototypes through full production quantities. PTI also handles finishing and mechanical assembly, giving customers a single source for completed components.
ISO 9001:2008
Westmoreland Plastics CompanyFor more than 50 years, Westmoreland Plastics Company has manufactured American-made thermoset molded components in Latrobe, Pennsylvania, serving applications from aerospace to medical devices. The company also designs and re-engineers molds, offers thermoplastic molding through selected manufacturing partners, and finishes close-tolerance parts with lapping and fine grinding. Its quality system is certified to ISO 9001:2015, and its thermoset injection-molding experience dates to 1976.LATROBE, PA
Precision Polymers Inc. (PPI)Founded in 1994 by industry veterans Robert Shepard and Walter Brown, Erie-based Precision Polymers Inc. makes custom plastic components through injection molding and builds the tooling used to produce them. PPI stands out for its start-to-finish operation, with an on-site tool room and support extending from design and molding through assembly, warehousing, and shipping. The company handles both small sample runs and high-volume production and has more than 30 years of mold-building experience.ERIE, PA
Pinnacle Plastic ProductsEstablished in 1996, Pinnacle Plastic Products manufactures custom blow-molded plastic components and finished products at its 102,000-square-foot Bowling Green, Ohio facility. Its production team brings more than 250 years of combined blow-molding experience, and the company also provides product assembly and packaging for customer products.HARRISBURG, PA
Covington Plastic MoldingFounded by the Covington family in 1998, Covington Plastic Molding is a South Central Pennsylvania manufacturer of custom injection-molded plastic components, with in-house mold design and secondary operations. The company supports projects from prototypes and small runs at its New Oxford facility through high-volume production at its York facility, while its warehouse also handles customer storage and logistics needs. Founder Steve Covington brought decades of plastics experience, including helping design an automatic mold-changing injection machine, and his sons James and Scott remain part of the company’s leadership.YORK, PA