Westminster Tool Email Format

Plastics ManufacturingConnecticut, United States11-50 Employees

Westminster Tool is a family-owned plastics manufacturing company based in Plainfield, Connecticut, that focuses on addressing injection mold tooling and plastic part production challenges with both metallic and non-metallic components. The firm provides end-to-end support for injection mold systems, including design for manufacture, molding risk assessment and mitigation, prototype tooling, and in-house mold qualification. Its offerings span high-performance component production, metal-to-plastic conversions, turnkey manufacturing solutions, and composite tooling, serving customers in aerospace and defense, medical, industrial, and consumer packaging. 

The organization emphasizes its workforce as a key asset, reflecting a small, family-owned operation with a culture that supports growth. In early 2026, Westminster Tool announced its attendance at MD&M West 2026 in Anaheim, marking continued engagement with the broader manufacturing community.

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