AmSty is a prominent integrated producer of polystyrene and styrene monomer, recognized as one of the largest producers in the Americas. Established in 2008 as a joint venture between Trinseo LLC and Chevron Phillips Chemical Company LP, AmSty operates six polystyrene plants and leverages its competitive and technological advantages to provide tailored solutions to a diverse range of customers. The company emphasizes strong customer relationships, sustainability, and operational excellence, aiming to drive profitable growth while addressing the evolving needs of the polystyrene market.