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Dee Manufacturing LLC, a division of Wisconsin Aluminum Foundry

Minnesota aluminum castings supplier that puts it all together, better

Today’s OEMs don’t need suppliers who see problems. They need a foundry that excels at finding solutions.  

At Dee Manufacturing, our 80+ team of experts has led the way in downstream work since 1971 by seeing opportunities where others see challenges. As your partner, when we find an idea that is faster, better or less expensive, we pass that value on to you. That means you can do more in less time.

Dee Manufacturing worker operates machining equipment.

Dee Manufacturing serves a variety of industries, including:

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Agriculture

Our highly automated molding lines allow us to support high-volume programs and meet the exact specifications of our automotive customers. 

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Construction

Dee Manufacturing’s aluminum castings are lightweight but durable to help reduce weight and improve fuel efficiency in construction vehicles and off-highway trucks.

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Power Generation

We supply precise, corrosion-resistant castings with high thermal conductivity and strength that’s critical in power general applications, so that manufacturers can continue to meet the unending demands for power supply. 

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Recreation

Our customers rely on Dee Manufacturing for quality recreational vehicle castings that are lightweight, without sacrificing strength.

At a work table, a Dee Manufacturing machinist uses a hand tool to smooth the surface interior of a metal casting.

More efficient aluminum casting solutions

Why expend resources shipping parts from the foundry to the machine shop to the sub-assembly manufacturer? Dee can cast, machine and assemble all under one roof, ensuring products meet our uncompromising standards of quality. Our experienced team meets every challenge, minimizing the need for additional vendors.
A Dee Manufacturing molder operates a green sand molding machine where a large mold is moving down a conveyor.

Performance-focused aluminum casting services

  • Engineering
  • Tooling design
  • Green sand and permanent mold methods of casting—including core making 
  • Heat treatment
  • Machining
  • Quality assurance

Modern capabilities and equipment

At Dee Manufacturing, we put 96,000 square-feet of aluminum casting muscle to work, using high-quality machining and sub-assembly equipment to manufacture small-to-large castings at varying complexity: 

  • Sand Casting: Two Hunter automatic molding machines 
  • Permanent Mold: Three Hall 3H and one 6H permanent mold machines 
  • Core Making: 12 shell core machines 
  • Cleaning/Finishing: Saws, grinders, robotic finishing cell and shot-blasting equipment 
  • Heat Treat: Drop-bottom heat treat furnace and aging ovens 
  • Inspection: Fully equipped quality lab 
  • Machining and Sub-assembly:  
    • Horizonal CNC milling machines
    • Vertical CNC milling machines 
    • CNC lathes 
    • Various inspection and tooling/fixture production equipment and software 

Dee Manufacturing for custom parts

Contact us today to find out how we can work together to get the parts you need, when you need them.

Careers

Join a team that excels at finding solutions to benefit our customers.

Wisconsin Aluminum Foundry worker sanding a cast aluminum part.
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