América Móvil (BMV :[http://economia.terra.com.mx/empresas/detalle.aspx?idtel=RV032AMXL AMX] / / BMAD: [http://www.invertia.com/empresas/empresa.asp?idtel=RV042AMXLLA AMXL]) is a holding company forming the fourth largest mobile network operator in terms of equity subscribers, one of the largest corporations in Latin America, and the world. America Movil is a Fortune 500 company. A venture of Carlos Slim Helú, América Móvil provides services to over 201 million wireless subscribers in the Americas, primarily in Latin America and the Caribbean. - Source: Wikipedia