A.M. Castle & Co. engages in the distribution of specialty metals and supply chain services. The company is headquartered in Oak Brook, Illinois. The firm is a provider of metals, services, and supply chain solutions. The firm provides a range of thermal treating and finishing services. The firm is focused on processing and other value-added services to meet the requirements of industries, such as aerospace, defense, oil and gas, power generation and heavy equipment. The company offers an array of alloys and product forms in aircraft, commercial, bearing, and value-added reseller (VAR0 qualities, including bar, plate, sheet, and tube. The firm distributes and processes alloy, carbon, stainless steel, nickel, aluminum, titanium, cast iron, and red metals. The firm operates in approximately 21 service centers across North America, Europe and Asia.