Founded in 1890, A.M. Castle & Co. is a global distributor of specialty metals and supply chain services, principally serving the producer of durable equipment, commercial aircraft, heavy equipment, industrial goods, construction equipment, and retail sectors of the global economy. Its customer base includes many Fortune 500 companies as well as thousands of medium and smaller-sized firms spread across a variety of industries. It specializes in the distribution of alloy and stainless steels; nickel alloys; aluminum and carbon. Together, Castle and its affiliated companies operate out of 21 metals service centers located throughout North America, Europe and Asia.