Langdon, Inc. is a sheet metal fabricating company specializing in ductwork and related products. Established in 1966, the company operates from a 50,000 square-foot facility in Cincinnati, Ohio, equipped with advanced machinery for ductwork fabrication. Langdon offers a wide range of ductwork types made from materials like galvanized, stainless steel, and aluminum, catering to industrial applications such as exhaust and air-pollution control systems. They also produce specialty items like machine-belt guards, electric control panels, and sound attenuators. With patented ductwork connections and innovative products like Sure Seal Spiral and Sure Clamp Spiral, Langdon focuses on providing high-quality, custom-engineered solutions to meet customer specifications.