Americas Styrenics LLC (Americas Styrenics, often “AmSty”) is an integrated producer of styrene monomer and polystyrene in the Americas. Formed as a joint venture of Chevron Phillips Chemical Company and Trinseo, the company operates manufacturing and logistics assets primarily in the United States, with commercial reach across North and South America. Its product portfolio includes general-purpose and high-impact polystyrene resins used in packaging, appliances, consumer electronics, building and construction, and other applications.
AmSty’s operations span upstream styrene monomer production through downstream resin compounding and distribution, providing feedstock security and supply reliability for polystyrene customers. The company is also engaged in initiatives to increase polystyrene circularity, including development of recycled and advanced-recycling pathways intended to return polystyrene to styrene monomer for reuse.