Alfa S.A.B. de C.V., together with its subsidiaries, engages in the petrochemical and synthetic fiber and refrigerated food businesses in Mexico. It operates through two segments, Alpek and Sigma. The company manufactures petrochemical and synthetic fiber products, including purified terephtalic acid, polyethylene terephthalate (PET), recycled PET, polypropylene, expandable polystyrene, chemical specialties, and industrial chemicals. It also provides refrigerated food products comprising cooked meats, such as ham, sausages, bacon, pork sausage, etc.; aged meats, including serrano, prosciutto, salami, fuet, etc.; dairy products, which includes yogurt, cheese, etc.; and snacks, prepared foods, non-perishable products, refrigerated, frozen, beverages, plant-based products, drinks, etc. The company markets its products to approximately 29 countries worldwide. Alfa S.A.B. de C.V. was founded in 1974 and is headquartered in San Pedro Garza García, Mexico.