Description

Ultimate Machining & Engineering is a premier American precision CNC machine shop specializing in fast, flexible machining of engineered, difficult-to-make, high-precision components and sub-assemblies. Founded in 1994 by John Kulczuga, a Polish immigrant with a vision to build a successful manufacturing business, Ultimate has grown into a 31,000 square foot facility located in Plainfield, Illinois, a southwest suburb of Chicago. The company prides itself on being 100% made-in-America and has earned a reputation as a Strategic Supplier to one of the world’s largest OEMs for over two decades. This longstanding partnership has sharpened their expertise and enabled them to develop robust processes that meet stringent quality, design, and delivery standards. Ultimate Machining & Engineering is known for its ability to tackle complex and challenging projects that other shops may shy away from. Their engineering team works closely with clients from the front-end of the design process to ensure manufacturability with the application in mind, ultimately helping to innovate manufacturing processes, improve profitability, and maintain competitive advantage. Whether clients need rapid turnaround on high-precision parts, assistance with reverse engineering, or solutions for complex sub-assemblies, Ultimate offers nimble, responsive, and trustworthy service. The company culture emphasizes accessibility and personal relationships, with knowledgeable staff always available to address customer needs. While capable of serving large global customers, Ultimate especially values partnerships with small- and medium-sized businesses, recognizing their vital role in the local economy. Testimonials from clients such as Reliance Gear Corporation and Global Work Tools & Services highlight Ultimate’s engineering expertise, responsiveness, integrity, and commitment to quality. These qualities, combined with a dedication to continuous technological advancement, make Ultimate Machining & Engineering a highly recommended and reliable partner in precision manufacturing.