Global Brass and Copper Holdings, Inc. converts, fabricates, processes, and distributes non-ferrous products in the United States, the Asia Pacific, and Mexico. The company operates in three segments: Olin Brass, Chase Brass, and A.J. Oster. The Olin Brass segment manufactures, fabricates, and converts specialized copper and brass sheets, strips, foils, tubes, and fabricated products; and rerolls and forms other alloys, such as stainless steel, carbon steel, and aluminum. Its products are used in the building and housing, automotive, electronics/electrical components, munitions, and coinage markets. The Chase Brass segment primarily manufactures and sells brass rods, including round, hexagonal, and other shapes for use in the building and housing, transportation, electronics/electrical components, and industrial machinery and equipment markets. The A.J. Oster segment processes and distributes primarily copper and copper-alloy sheets, strips, and foils for use in the building and housing, automotive, and electronics/electrical components markets. The company sells its products under the Olin Brass, Chase Brass, A.J. Oster, Green Dot, and Eco Brass brands through its direct mill sales, distribution network, and third-party distributors. Global Brass and Copper Holdings, Inc. was founded in 2007 and is headquartered in Schaumburg, Illinois.