Triangle Tool builds some of the industry’s largest and most complex plastic injection molds and machined components—trusted by top manufacturers in automotive, oil & gas, and beyond. For over four decades, our team has remained committed to high-quality tooling and machining—combining big-shop capabilities with small-team accountability.

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At Triangle Tool, customers choose us because we’re more than just a mold tooling supplier—we’re a precision-driven manufacturing partner. Our core philosophy is built around delivering solutions that support the success of your molded parts and tooling systems.

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We invest in the latest advancements in mold design and toolmaking by continuously upgrading our CNC equipment, expanding our high-performance manufacturing facilities, and training our team in the most advanced machining techniques.

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From concept to completion, we collaborate closely with every customer to deliver exceptional service, industry-leading quality, and on-time delivery—every time.