Alpek
 Alpek is the largest petrochemical group in Mexico and one of the largest in Latin America. The company operates two business groups: Polyester Chain Products (PTA PET and polyester fibers) and Specialty Chemicals and Plastics (Expandable Polystyrene (EPS) Polypropylene Polyurethane Caprolactam and other industrial chemicals ).The company has 20 plants in three countries. Alpek is the leading producer of PTA and polyester fibers in the Americas and the second in PET.