Description

Mennie Machine Company, established in 1970 by Hubert J. Mennie and his wife Cheryl, is a leading precision machining and contract manufacturing firm specializing in complex, high-precision parts ranging from 2" up to 30" cubes or cylinders and weighing between 1 to 250 pounds. Operating from two expansive facilities totaling over 250,000 square feet in Mark, Illinois, Mennie Machine Company serves a diverse range of industries including automotive, computer, fuel systems, industrial and transportation, municipal, heavy equipment, and hydraulic sectors. The company is distinguished by its advanced CNC capabilities, featuring horizontal and vertical machining centers, lathes, broach machines, gun drills, and robotic integration, enabling them to produce from 25 to 1,000,000 pieces annually with exceptional quality and precision. Mennie Machine Company offers specialized processes such as multi-induction heat treatment, super-finishing, thermo deburring, abrasive flow media (AFM) deburring, furnace tempering, two-sided lapping, and laser engraving (both human-readable and 2D matrix). Their material expertise spans castings, forgings, bar stock, fabrications/weldments, grey and ductile irons, stainless steel, high alloys, aluminum, and exotic metals. A dedicated engineering team of ten full-time professionals supports customers from concept through prototype and production, utilizing the latest CAD and computer-integrated manufacturing software alongside a 30,000-square-foot tool room. Mennie Machine Company is recognized for its commitment to quality, holding IATF 16949:2016 certification and adhering to rigorous quality policies to meet or exceed contractual obligations. As a woman-owned small business with SBA HUBZone certification, the company prides itself on a highly skilled, low-turnover workforce and a high-energy management team passionate about delivering value and excellence. With a rich history of expansion and innovation, Mennie Machine Company continues to be a trusted partner for blue-chip customers seeking integrated contract machining solutions.