Casa Ley is a Mexican grocery store chain founded in 1954 by Juan Ley Fong. Most of its stores are located in western Mexico, in the states of Baja California, Sonora, Sinaloa, Nayarit, Jalisco, Colima, Michoacán, Coahuila, Chihuahua, Durango, Guanajuato and Baja California Sur. It is Mexico's largest privately held supermarket chain. It is 49% owned by Albertsons Companies, Inc., which acquired Safeway Inc.'s shares of the chain after its acquisition by Albertsons in 2015.