Le Sueur Incorporated is a world leader in the aluminum casting and plastic injection molding manufacturing arena. We specialize in complex and pressure tight applications utilizing the Sand Casting, Permanent Mold, Die Casting, Plastic Injection Molding and Precision Machining manufacturing processes. Our diverse offering of these different processes coupled with our dedicated engineering team provides our customers the opportunity to consult on their designs for the most cost effective method of manufacturing. Our quality systems are registered to ISO 9001-2008. Le Sueur Incorporated is a financially secure family owned company with over 70 years of manufacturing experience. The company was founded in 1946 and is located in Le Sueur, Minnesota, USA.