Comercial Mexicana (BMV: COMERCI) (colloquially known as La Comercial or La Comer) is a Mexican hypermarket group, which features stores similar to those owned by Tesco in the United Kingdom or Walmart in the United States. It is part of the Controladora Comercial Mexicana Group which also co-owns the local Costco warehouse franchise, Sumesa stores, City Market stores, Alprecio stores and Restaurantes California. Comercial Mexicana is the third-largest supermarket chain in Mexico as of 2009. The first store, which opened in Mexico City in 1930, primarily sold textile products.