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6919 51st Street
Kenosha, WI 53144

GEM Manufacturing – Precision CNC Specialists


What we do
GEM Manufacturing is a contract manufacturer specializing in mid to high volume CNC Turned and Milled products.
What we make
We manufacture over 2,000 different parts annually in volumes from 100 to 600,000.
How we do it
Our commitment to servicing our customers through quality production, competitive pricing, and excellent customer service has been the bedrock for over 50 years.
Oil Pump Housing, Agriculture Industry, Gray Iron Casting
Oil Pump Housing, Agriculture Industry, Gray Iron Casting
Bearing Housing, Agriculture Industry, Ductile Iron Bar
Bearing Housing, Agriculture Industry, Ductile Iron Bar
How we are different.

In the custom component industry, GEM’s capabilities are a cut above.  Our management team and supervisory teams have logged over 100 years of hands on experience.

Given our breadth of experience and the great variety of machines on the floor, we have capacity to produce parts in many ways. We will utilize the most efficient, shortest lead-time method on our customer’s parts.

This distinction sets us apart, we have sustained theses certifications for many years – even as their requirements have become progressively more robust.

GEM has been ISO registered for almost two decades, Verisys Registrars certification # G021507

We partner with leading providers of post machining processes and GEM’s supply base is audited and qualified per our Quality System.  Many of our suppliers have been in our base for decades.  From Heat Treating, Grinding, Plating to Gun Drilling and Welding you can count on our controls and quality systems to supply your part complete.

You will see completed 5s projects and Kaizan events throughout our facility.  We have black and green belts at GEM.

From CAM software to barfeeders, CMMs and the latest gantry robots and horizontal mills, GEM reinvests heavily into the latest machining technologies. Complementing our 35+ conventional machines, we have more than 27 state-of-the-art CNC turning, saws and horizontal and vertical mills.  60% of our centers are less than 9 years old.We invest only in the best: super precision equipment built to perform.

The Bottom Line – Better engineering.  Better quality.  Better value.

GEM Facility Virtual Tour

People Say…

GEM Business Background…

  • Located close to major Highways and Airports near Chicago and Milwaukee
  • Temperature Controlled Environment
  • Part Tolerances to 0.0003
  • Competencies in APQP, PPAP, ISIR, C of C, Warehousing, Inventory Managed
  • 30,000 Sq Ft Facility
  • Manufacturing for many of our customers for over 30 years