In 2004, Grupo Carso acquires all Latin American assets of AT&T International, including Chilesat. As such, the company is renamed to Telmex.
- See also: Claro (Chile)/Mobile.
In 2010, América Móvil and Telmex (both controlled by Grupo Carso) began a process of unification in Latin America. In Chile, this resulted in Telmex becoming Claro, using the brand which was first introduced in the country for the mobile company in 2006.
|Claro (South and Central America)|
Operations: Argentina | Brazil (net | tv | fone) | Colombia (mobile | TV) | Chile (mobile | tv) | Dominican Republic (tv) | Ecuador | El Salvador | Guatemala | Honduras | Nicaragua | Panama | Paraguay (tv) | Peru (tv) | Puerto Rico | Uruguay