DuPage Precision Products provides CNC Precision Machining services and is a premier supplier of precision machined components to diesel and gas engine manufacturers, and the heavy equipment market. We strive to add value by leveraging a combination of quality workmanship, state-of-the-art equipment, highly trained staff, and precision inspection techniques in the production and delivery of an unparalleled product.

We are ISO 9001 registered and committed to Lean Manufacturing, continuously focusing upon overall process and workflow improvements.

Our rich history of precision manufacturing dates back to 1950, and the company is in it's 3rd generation.

Dupage Precision Products

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