Proto Plastics, Inc. Email Format

Plastics ManufacturingOhio, United States11-50 Employees

Proto Plastics, Inc. is a plastics manufacturing company that operates as a full-service contract manufacturer for custom plastic injection molding parts and assemblies. It designs, manufactures, assembles, and distributes tools and components, focusing on engineering-grade resins and tightly toleranced parts across a range of sectors, including high-tech electronics, automotive, aerospace, medical, and defense, among others.
Based in Tipp City, Ohio, the firm maintains a sizable production and mold-building facility to support its end-to-end capabilities. Founded in 1969, Proto Plastics serves a diverse set of manufacturing customers by providing integrated injection molding solutions, from tooling to finished assemblies, within an ISO-registered environment. A notable recent development is its acquisition by Thogus Products Company in 2019, reflecting an industry move toward consolidation in contract manufacturing.

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