We Strive to be the Partner of Choice to Our Customers.

AmSty is a leading integrated producer of polystyrene and styrene monomer, offering solutions and services to customers in a variety of markets throughout the Americas. Positioned as the second largest polystyrene producer in the Americas and the third largest styrene producer in the Americas, AmSty brings competitive and technological advantages to its customers. AmSty is a joint venture equally owned by Trinseo LLC and Chevron Phillips Chemical Company LP.

By optimizing our production, marketing and supply chain capability, focusing on safe production processes and leveraging state-of-art technologies, we have developed a strategy for success. AmSty embraces the ideas, attitudes and behaviors that have earned great results and respect for our parent companies. We apply these winning principles in our business model.

Safety is paramount to our success at AmSty and it is a core focus in everything that we do. We strive daily for zero injuries and incidents. AmSty values environmental stewardship, corporate responsibility and community involvement.

A world leader in the production of plastics, latex and rubber serving a wide range of end-markets.

Chevron Phillips Chemical
A world leader in the production of olefins and polyolefins and supplier of aromatics, alpha olefins, styrenics, specialty chemicals, piping, and proprietary plastics.

AmSty Careers
Find out how you can become part of the AmSty team. AmSty offers an excellent learning environment combined with the latest technology and a worldside presence.