Joint Venture

Trinseo has 50 percent ownership in the joint venture, Americas Styrenics. The company is a leading polymer producer in its respective market.

Americas Styrenics logo

Americas Styrenics
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.


Trinseo 50%
Chevron Phillips Chemical Company 50%


Americas Styrenics was formed in 2008 as a 50/50 joint venture between The Dow Chemical Company and Chevron Phillips. After Trinseo became an independent company, it assumed Dow's ownership share in the JV.

Headquarters Location

The Woodlands, Texas

Production Facilities

Cartagena, Colombia; 
Gales Ferry, Connecticut;
Ironton, Ohio;
Joliet, Illinois;
Marietta, Ohio;
St. James, Louisiana;
Torrance, California;


Polystyrene and Styrene

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