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About Diversified Design & Manufacturing, Inc.

For over 30 years, Diversified Design & Manufacturing, Inc., headquartered near Milwaukee, Wisconsin, supplies high quality design, tooling, manufacturing and specialty machining to customers throughout the globe. Specializing in the design and build of tight tolerance tooling and machinery, we have earned the reputation as the Tight Tolerance Experts. Our global customers continue to rely on Diversified for its expertise in solving challenges and fueling their businesses. Now AS-9100 certified!


DDM's client list is impressive in the industry.

Business meeting



  • Global team with decades of business leadership

  • Leader for product & manufacturing solutions

  • “Do things right…Do the right thing.”

Business Meeting

Sales Solutions

  • Decades of experience engineering solutions

  • Industry experience with global organizations

  • "Fast is fine, but accuracy is everything."


The Shop

  • Experienced machinists that solve challenges

  • Decades of manufacturing at the highest level

  • "Nothing leaves without a complete quality inspection."

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