Le Sueur Incorporated
Learn more about the services offered by Le Sueur Incorporated.
Start Your Search NowLe Sueur Incorporated, headquartered in Le Sueur, Minnesota, is a globally recognized leader in the manufacturing of complex and pressure-tight aluminum castings and plastic injection molded components. Established in 1946 as the Le Sueur Foundry Company, the business has grown significantly over nearly eight decades, expanding its capabilities and services to meet diverse customer needs. The company operates from a vast 274,000 square feet manufacturing facility and offers a broad range of aluminum casting processes including permanent mold casting, sand casting, die casting, low pressure casting, and gravity pour casting. Additionally, Le Sueur Incorporated provides advanced plastic injection molding services such as two-shot overmolding and insert molding, complemented by precision machining and value-added services. Le Sueur Incorporated prides itself on its commitment to quality, holding ISO 9001:2015 certification and maintaining rigorous quality control measures including casting X-ray inspection and metallurgical and non-destructive testing laboratories. The company’s dedicated engineering team supports customers by consulting on design optimization and employing Magma casting simulation technology to ensure cost-effective and high-quality manufacturing solutions. Throughout its history, Le Sueur Incorporated has evolved by strategically expanding its manufacturing divisions, including the addition of a permanent mold division in 1959, acquisition of die casting capabilities, and the launch of a thermoplastics injection molding division in 1984. The company also introduced a machining division in 1996 to offer fully machined and assembled parts, enhancing its turnkey service offerings. In 2022, Le Sueur Incorporated was acquired by Delos Capital and The Silverfern Group, further strengthening its financial position and growth potential. The company’s recent acquisition of Craft Pattern and Mold in 2023 has expanded its rapid prototyping and complex component manufacturing capabilities, enabling an end-to-end service offering for its customers. Serving over 130 customers worldwide, Le Sueur Incorporated remains a non-union, financially stable supplier focused on reinvestment in safety, technology, and resources. The company’s mission is to be the supplier of choice by being the employer of choice, ensuring continued innovation and excellence in the aluminum casting and plastic injection molding industries.
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