With more than 50 years in the industry, Proto Plastics is a Tipp City, Ohio, contract manufacturer known for working closely with customers on demanding plastic parts. Its engineers support projects from early design through production, with particular experience in close-tolerance work and long-term customer relationships. Proto Plastics’ ISO 9001:2015-certified quality system supports programs where consistent conformance matters.
ISO 9001:2015
Profile Plastics, IncSince its founding in Hartville in 1993, family-owned Profile Plastics has made custom plastic profiles for manufacturers from its Canton, Ohio plant. Its 85,000-square-foot facility runs nine extrusion lines, while a team with more than 200 years of combined extrusion experience tackles parts ranging from straightforward tubes to complex, tight-tolerance profiles. Profile also supports customers from early design and material selection through tooling, fabrication, assembly and packaging, with two-thirds of its customers returning for more than a decade.CANTON, OH
Greenfield Precision Plastics, LLCWith more than 40 years in the industry, Greenfield Precision Plastics is a Greenfield, Ohio injection molder producing plastic parts for automotive, consumer, medical and other demanding applications. The company operates 25 molding presses, uses robotics and at-press vision inspection, and keeps ownership on site every day. That hands-on structure supports the company’s focus on building long-term customer partnerships from design feasibility through production.GREENFIELD, OH
PCPI Plastics, LLCFounded in 1976 with one machine and one customer, Ohio-based PCPI Plastics manufactures engineering-grade thermoplastic injection-molded products and components for customers worldwide. Its engineering team pairs documented scientific molding with component design and tooling support to make repeatable, high-performance parts, while more than 300 available resin options broaden what customers can design. PCPI’s quality system is ISO 9001:2015 certified, and the company is a UL-recognized thermoplastics molder.DE GRAFF, OH
Quality Plastics LLCFrom its facility in the rolling hills of northeast Ohio, Quality Plastics LLC makes custom injection-molded plastic parts and helps develop them from early concepts through production. The company brings decades of in-house experience to projects ranging from low-volume prototypes to high-volume runs, with injection molding machines spanning 55 to 1,300 tons. Quality Plastics serves customers across North America and internationally, while also offering assembly, fulfillment, and a separate retail line of household plastic products.FREDERICKSBURG, OH