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Wisconsin Manufacturer of Precision Machined Parts

Located in Oshkosh, Wisconsin, OMS Precision Machining has excelled at providing precision machined parts and components with the highest level of both service and quality for over 80 years. Working with all grades of steel (carbon, alloy and stainless), aluminum, copper, brass and plastics, OMS provides high quality CNC Turning and Milling as well as complimentary services such as grinding and our specialty nylon powder coating process. To complete the job, OMS provides all common secondary operations such as heat treating, plating, anodizing and painting.

OMS customers range from shops of two or three people to large Fortune 500 companies. Quantities of parts produced may be one or two, as for machine repair or prototype evaluation, to tens of thousands for high production. Whatever the industry, whatever the need, OMS Precision Machining will deliver the precision components you need–on time, and on budget!


ISO 9001 2015 Certified
ITAR Registered
Cage Code Certified
US Government Tier 2 Supplier

We Manufacture Value!



A computer-controlled (CNC) cutting tool mounted on a rotating spindle selectively removes material from a block of raw material.

Lathe Turning


A machining process in which the cutting tool moves while the workpiece rotates, reducing the diameter and producing a smooth finish.



We work with all grades of steel (carbon, alloy and stainless), aluminum, copper, brass and plastics, for runs of any quantity.



All equipment is certified and regularly inspected to provide industry-leading precision and uniformity from the first piece to the last.



We provide a full slate of finishing services and equipment to handle every aspect of your project, down to local delivery.

We Are Hiring!

OMS Precision Machining has excellent career opportunities for you to explore. We provide competitive pay, comprehensive benefits, and paid on-the-job training. At OMS, we work together as a team, with a focus on quality, respect, and collaboration.

If you are ready to grow both professionally and personally, and believe in creating lasting relationships with our clients, we want to hear from YOU!


Why OMS Precision Machining?

As a leading Wisconsin manufacturer of precision components, we take pride in partnering in the success of our customers.  They rely on us to supply high quality, precision machined parts and prompt, reliable and dependable service. But we can do more than that! Our management team has extensive experience in a wide variety of business operations. This broad knowledge helps us find better ways that we can serve you.

  • We can help you when you want to go to a test market and do not want to interrupt your present manufacturing operations.
  • We can help when you have a sudden upturn in sales and need parts immediately to get additional in house capacity.
  • We can help you maintain a balanced production flow and improve your inventory control.
  • We can supply your short term needs and production quantities that may be less than optimal in your operation.
  • Use our CNC capabilities for your longer set-up, lower quantity items.

We provide the right combination of knowledge and capabilities to give you the products you need—when you need them. Contact us today to turn your ideas into reality!

Learn More!

Please reach out to discuss your project at no obligation.