Alpek SAB de CV engages in petrochemical business. It operates through the following business segments: Polyester, and Plastic & Chemicals. The Polyester segment refers to products made of polyethylene terephthalate and purified terephthalic acid as well as polyester fiber. The Plastic & Chemicals segment provides polypropylene, EPS, caprolactam, and other specialty and industrial chemicals. The company was founded in 1975 and is headquartered in San Pedro Garza Garcoa, Mexico.