Americas Styrenics  Sumika Styron Polycarbonate Limited
As a leading integrated producer of polystyrene and styrene monomer, Americas Styrenics offers solutions and services to customers in a variety of markets throughout the Americas.  A 50/50 joint venture between Styron and Sumitomo Chemical Co., Sumika Styron Polycarbonate Ltd. produces polycarbonate resins and serves customers and markets throughout Asia.
Ownership: Styron 50%; Chevron Phillips Chemical Company 50%  Ownership: Styron 50%, Sumitomo Chemical Co., Ltd. 50%
History: Americas Styrenics was formed in 2008 as a 50/50 joint venture between The Dow Chemical Company and Chevron Phillips. After Styron became an independent company, it assumed Dow's ownership share in the JV.  History: The company was originally formed as Sumitomo Dow Limited in 1996 as 50/50 joint venture between Sumitomo Chemical Co., Ltd. and The Dow Chemical Company. After Styron became an independent company, it assumed Dow’s ownership share in the JV.
Headquarters location: The Woodlands, Texas  Headquarters location: Tokyo, Japan
Production Facilities: Torrance, California; Gales Ferry, Connecticut; Ironton, Ohio; Joliet, Illinois; Cartagena, Colombia; St. James, Louisiana; Marietta, Ohio  Production Facilities: Niihama City, Ehime, Japan
Products: Polystyrene and styrene  Products: Polycarbonate