Founded 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.
ISO 9001:2015
UL Recognized Thermoplastics Molder
Compliance program
Plas-Tec CorpFounded in 1969, Plas-Tec Corp. is an Ohio custom injection molder that has grown from custom molding into engineered molding techniques for tighter-tolerance parts. Its 74,000-square-foot manufacturing facility supports production for a broad customer base, and the company states that its manufacturing and quality systems comply with ISO 9001:2015 standards and practices.EDON, OH
Proto Plastics, IncWith 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.TIPP CITY, OH
CIMA Plastics GroupFounded in 1976, CIMA Plastics Group is a Twinsburg, Ohio injection molder that takes plastic products from design and mold construction through production, assembly, and packaging. Its 40,000-square-foot facility houses 85- to 600-ton molding machines and an internal mold shop, allowing CIMA’s engineers to support both product development and ongoing tool maintenance. The company serves a broad range of industries, including medical and outdoor power equipment, with experience spanning commodity and engineered thermoplastics.TWINSBURG, OH
Royal Plastics, IncFounded in 1966, Royal Plastics is a Mentor, Ohio custom manufacturer of injection-molded plastic parts and contract-manufactured components for domestic and international customers. The closely held S-corporation has expanded from its Ohio operation into a U.S.-China manufacturing partnership, with in-house toolmaking, molding, assembly and testing supporting projects from prototype quantities through high-volume production. Royal Plastics employs 250 people domestically and 800 internationally, and operates under ISO 9001:2015 quality registration.MENTOR, OH