Alpek, S.A.B. de C.V., together with its subsidiaries, operates as a petrochemical company in Mexico and internationally. It operates in two segments, Polyester, and Plastic and Chemicals. The Polyester segment produces purified terephthalic acid (PTA), an organic compound that is raw material for PET; polyethylene terephthalate (PET), a plastic resin for use in the beverage bottles, food containers, and consumer good packaging applications; recycled PET for new bottles and containers, strapping and packing supplies, and fibers for clothing and carpet; and polyester fibers, such as staple fiber for use in carpets, home furnishings, and garments; and filament for clothing, automotive interiors, and seatbelts, as well as canvases, conveyor belts, hoses, and other industrial application. The Plastics & Chemicals segment manufactures polypropylene and expandable styrene, as well as fertilizers and other chemicals for consumer goods, automotive, construction, agriculture, pharmaceutical, and other markets. The company was founded in 1975 and 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.