Ta Chen International Inc, 1810 W Pointe Dr, Charlotte, NC 28214, US

Ryerson, formerly known as Ryerson Tull, is one of the leading processors and distributors of metals in North America. The public company serves clients in the United States, Canada and China. It offers a variety of stainless steel sheets, coils, plates, bars, structures, tubes and pipes. In addition, Ryerson provides various architectural metal roofing products under the AlumaKlad and ColorKlad brand names. The company offers a range of flanges, valves, nipples for customers in the dairy, food, pharmaceutical, poultry and semiconductor markets. It has fabrication capabilities and provides nickel alloys and aluminum products. Ryerson operates several wholly owned subsidiaries, including JT Ryerson and Ryerson Canada.