Trinseo S.A. is a leading chemical materials solutions provider. The company specializes in a broad range of plastics, latex and synthetic rubber for a wide variety of industries. Their products are used in home appliances, automotive, building & construction, consumer electronics and more. Trinseo is a global company, with 18 manufacturing sites and 11 research and development facilities in 27 countries. Known as Styron until February 2015, the company is headquartered in Berwyn, PA, United States.