Ryerson Inc., a Platinum Equity company, is one of the leading distributors and processors of metals in North America. Based in Chicago, Ill., the company offers processing capabilities to offer products, ranging from simple shapes to complex subassemblies. Its inventory includes materials, including stainless steel, aluminum, carbon and alloys, nickel and alloys, brass and copper. In addition, Ryerson Inc. distributes a list of products to address the needs of metal roofing, wind energy and plumbing industries. The company services customers through a network of service centers across the United States, Canada, Mexico and China.