Skip to main content

Dee Manufacturing LLC, a division of Wisconsin Aluminum Foundry

Close-up batch of small cast aluminum parts.

Minnesota aluminum castings supplier that puts it all together

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 serves a variety of industries, including:

Under a blue sky, an agricultural combine harvests wheat.

Agriculture

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

Excavator on a construction job site, bucket raised to dig.

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.

An oil plant at sunset.

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. 

At sunset, a boater drives a speed boat toward camera across open water, creating a wake.

Recreation

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

Industrial robot used in machining cast aluminum parts.

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.

Green sand mold coming down production line, operated by a molder wearing protective clothing.

Performance aluminum casting services

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

Certified casting quality

ISO 9001: 2015 CERTIFICATION
IATF 16949: 2016 certification

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.

Contact Us

1302 Foskett St.
Crookston, MN 56716
(920) 682-8286
castingsales@wafco.com

Careers

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

VIEW CAREERS