Alpek, S.A.B. de C.V., together with its subsidiaries, operates as a petrochemical company in Mexico, the United States, Argentina, Brazil, and Chile. It operates in two segments, Polyester and Plastics and Chemicals. The Polyester segment produces purified terephthalic acid for use as a raw material for polyethylene terephthalate (PET) and polyester fibers manufacturing; and PET, a plastic resin used in the beverage, food, and consumer good packaging applications. This segment also offers polyester fibers, such as staple fiber for use in carpets, garments, and home furnishings, as well as in other applications; and filament, which is used in shirts and pants, jackets and hats, automotive interiors, seatbelts, canvases, conveyor belts, and hoses. The Plastics and Chemicals segment manufactures polypropylene, expandable polystyrene, caprolactam, fertilizers, and other chemicals as well as specialty and industrial chemicals, including surfactants, ethoxilates, glycoethers, and desemulsionates for use in the consumer goods, food and beverage packaging, automotive, construction, agriculture, oil industry, and pharmaceutical, and other markets. The company is based in San Pedro Garza García, Mexico. Alpek, S.A.B. de C.V. is a subsidiary of Alfa, S. A. B. de C. V.