DuPage Precision Products is a premier supplier of precision machined components to diesel and gas engine manufacturers, military vehicle suppliers, 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 /delivery of an unparalleled product.  We are ISO 9001:2000 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 its 3rd generation of family management.