Founded in 1890, A. M. Castle & Co. is a global distributor of specialty metal and plastic products, providing supply chain services primarily to sectors such as durable equipment, oil and gas, commercial aircraft, heavy equipment, industrial goods, construction equipment, retail, marine, and automotive. The company serves a diverse customer base, including many Fortune 500 companies and thousands of medium and smaller-sized firms across various industries. Castle specializes in the distribution of alloy and stainless steels, nickel alloys, aluminum, and carbon, operating service centers throughout North America, Europe, and Asia.