CNC PRECISION MACHINING

DuPage Precision Products delivers expert CNC machining solutions, serving as a primary source for high-tolerance components within the diesel, gas engine, and heavy industrial sectors.

We maximize operational value by merging superior craftsmanship with advanced manufacturing technology and rigorous inspection protocols.

Our skilled team ensures that every engineered part meets strict OEM specifications for performance.

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2002

ISO 9001 CONTINOUSLY REGISTERED SINCE

75+

YEARS OF PRECISION MACHINING SERVICES

240+

ACTIVE PART NUMBERS

97%

SHIP PERFORMANCE

As an ISO 9001 certified firm, we prioritize Lean Manufacturing principles to drive quality and operational efficiency. With a legacy of excellence since 1950, our family-owned business continues to serve global OEMs through three generations of specialized expertise.

PRECISION ENGINEERED FOR THE HEAVY EQUIPMENT MARKET

DuPage Precision Products delivers mission-critical CNC machined components to global diesel engine manufacturers, setting the gold standard in technical accuracy and industrial reliability since inception.

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Trusted By Industry Leaders

A partner to some of the most demanding names in diesel, heavy equipment, and industrial manufacturing.