Solid as the castings we create.
We are the largest producer of gray, ductile, austempered ductile, and compacted graphite iron in the world, melting more than 9,500 tons a day. Our castings are produced using a vertical green sand molding process and created by a workforce that puts generations of iron casting expertise to work for our customers every day. Those customers trust Waupaca Foundry for high quality iron castings that are consistently the most durable, reliable, and innovative products on the market.
Leeco® Steel has spent over a century building its reputation as a premier supplier of carbon, HSLA, and alloy steels . We offer exceptional quality, an expansive inventory, expert service and on time delivery. Leeco Steel is qualified to meet all your steel needs with the highest degree of satisfaction.
Leeco Steel was founded on Chicago's West Side in 1882 as Leopold Cohen Iron & Metal. After more than a century of growth, expansion, evolution, Leeco is now headquartered in Lisle, Illinois, operates 11 locations in North America and Mexico, and works globally through Leeco Steel Trading. Leeco Steel is part of the O'Neal Industries family of companies, the largest family-owned metals service center network in the United States.
Miller Castings has been manufacturing “lost wax” investment castings for aerospace, military and commercial customers since 1972. We produce a broad range of structural and integral components. Our capabilities include nickel and cobalt based super-alloys, as well as stainless steels and aluminum alloys.
Our experience and technical innovation have given us a reputation as a prime industry supplier. Miller Castings Inc. has been ISO 9001 & AS9100 accredited since 1997 as well as holding Nadcap certifications for the special processes we perform in-house.
Miller Castings is a world class leader in the investment casting industry utilizing six Sigma and 5-S tools. In addition we utilize cellular and lean manufacturing measures and methods enhanced by comprehensive preventive maintenance schedules.
Our emphasis is on customer satisfaction, quality and on-time delivery. A new product development team of casting, process and quality engineers is assigned to every casting project to ensure that all dimensional and metallurgical requirements are met and exceeded. Our engineers are the best in the business and are dedicated to making your project a success.
Our conscientious treatment of clients doesn’t stop with your casting; our facility is one of the cleanest and most environmentally conscious in the U.S.