Le Sueur Incorporated

Aluminum Casting and Plastic Injection Molding Manufacturing

Le Sueur Incorporated is a world-leading supplier of complex and pressure-tight aluminum castings and plastic injection molding components. We specialize in utilizing permanent mold, sand casting, die casting, plastic injection molding, and precision machining manufacturing processes.

Our diverse offering of aluminum casting and plastic injection molding processes, coupled with the expertise of our dedicated engineering team, provides our customers the opportunity to consult on their designs for the most cost-effective method of manufacturing.

Located in Le Sueur, Minnesota, Le Sueur Incorporated is a 3rd generation family-owned company with over 70 years of manufacturing experience. We utilize over 274,000 square feet of manufacturing space. Our quality systems are registered to ISO 9001:2015.

Contact us today to discuss the requirements of your aluminum casting or plastic injection molding project.