Ultimate Machining & Engineering provides fast, flexible machining of engineered, difficult-to-make, high-precision components and sub-assemblies.

A 100% made-in-America precision CNC machine shop located near Chicago, we are experts in precision engineering and manufacturing. When brought in on the front-end of your design, we help design for manufacturability with the application in mind. This helps us innovate your manufacturing process, improve your bottom line, and ultimately, keep your company competitive.

Whether you have a complex project to tackle, a high-precision component you need turned around fast, or simply come to us with a product to reverse engineer, we can make it happen.

Contact us today and let us become your Ultimate machining partner.

What Our Customers Are Saying

Ultimate has proven nimble and able to support our needs as we have grown both legacy and new parts of the business. Ultimate’s combination of engineering expertise, responsiveness, integrity, and flexibility makes them a very valuable partner to do business with–especially in an economy where trust and innovation are more important than ever.

If there was one word to describe our relationship with Ultimate, it’s ‘partnership.’ I know that I can get Ultimate’s top management on the phone whenever I need to, and that we can work together to solve the complex and fluctuating demands of our industry. They support us in all our endeavors.

Harshad Gujarathi, Plant Manager

Reliance Gear Corporation

Ultimate is an excellent business partner for Global Work Tools, and one we highly recommend. They are experts in precision machining, and are committed to using advancements in technology to streamline manufacturing processes. We rely on that innovation to keep us competitive.

The team is easy to work with, and their quality department is first-class. In our organization, parts and orders can change quickly. We need our suppliers to be able to respond quickly, and avoid quality hiccups that can drive up costs. Ultimate meets and exceeds these expectations. They do great work, and we are happy to do business with them.

John P. Noonan, Site Buyer

SSD Waco Facility, Global Work Tools & Services