One-Stop Shop for Your Aluminum Casting and Machining Needs

Sand Casting

Permanent Mold Casting


Tool / Die Manufacturing


LeClaire Manufacturing offers a unique combination of complex capabilities in both the foundry and cnc machining industries, providing a single-source supplier for aluminum casting solutions that proudly boast 100 percent made in the U.S.A..  Our engineering team assists with the design of your casting to help reduce future quality or delivery issues, and to help reduce weight and costs.  Utilizing our in house mold flow solidification modeling, we will offer visual views of solidification results, risk areas, and solutions to mitigate.  Our in-house pattern shop physically creates all of your tooling, offering short lead times for sand casting patterns, permanent mold dies, and CNC machine fixtures.  Once the tooling is complete, these high end tools consistently provide quality aluminum sand castings or aluminum permanent mold castings, and then precision machine the castings to completion — truly a one-stop shop!

What makes LeClaire Manufacturing the best aluminum casting supplier?  We challenge the foundry and machining industry status quo.  Challenging what’s possible in all aspects of our business; engineering, automation, delivery times, PPMs; design support, and many more.  We listen to our customer’s problems and then attack the core of the problem to overcome it.   We care about our customer’s and will go to extraordinary measures to meet their needs.  Successfully overcoming the toughest challenges, such as removing costs from large aluminum castings in both sand casting and permanent mold castings, successfully producing difficult castings other foundries previously failed on quality requirements for, and scaling volumes and solving puzzles on complex castings and core assemblies. We instinctively follow our customers’ demands, creating innovative paths to a superior end. Strategically, we know these roads well.  Leading our competition, but still driven to better our best to keep our company, and our customer’s companies, at a level above the competition.

Our Capabilities

At LeClaire Manufacturing, we live and breathe the mantra of ‘business partnerships’ with our customers. We seek out ways to add value, offering the highest level of customer support and value-added services. Our 125+ customers know we are the single-source partner to turn to for complete casting solutions.

We offer streamlined logistics to our customers by providing the following solutions in-house:

  • Tool Design
  • Tool Building
  • CNC Machining
  • Solidification Modeling
  • Design Assistance
  • Impregnation
  • Real Time X-ray
  • Core Making
  • Sand Casting
  • Permanent Mold Casting
  • Anodizing
    (Painting and anodizing not in house but sourced locally)
  • On-time Shipping
  • Prototyping
  • Painting
  • Quality Control