Le Sueur Incorporated

At Le Sueur Incorporated, we specialize in producing high-quality permanent mold aluminum castings, serving a wide range of industries with precision and reliability. With decades of experience behind us, we have built a reputation for engineering excellence and a commitment to continuous improvement in everything we do. Our team works closely with customers from concept through production, offering comprehensive support that includes engineering design assistance, tool development, and rigorous quality assurance practices. By combining advanced automation with time-tested foundry techniques, we are able to produce castings that meet tight tolerances and demanding performance standards. We take pride in offering fully integrated services—from casting to machining to assembly—allowing us to deliver turnkey solutions tailored to our customers’ exact requirements. Whether it's a low-volume prototype or a high-volume production run, we apply the same level of care, precision, and responsiveness to every project we take on. As a team, we are committed to innovation, sustainability, and helping our customers succeed in their own competitive markets.