Grupo Carso is a global conglomerate

Conglomerate (company)

A conglomerate is a combination of two or more corporations engaged in entirely different businesses that fall under one corporate structure , usually involving a parent company and several subsidiaries. Often, a conglomerate is a multi-industry company...

 company owned by the Mexican tycoon Carlos Slim. It was formed in 1990 after the merger of Corporación Industrial Carso and Grupo Inbursa. The name Carso stands for Carlos Slim and Soumaya Domit de Slim, his late wife.

In 2007, the conglomerate was worth over $60 billion US dollars and held the largest telecommunications company in Latin America under its belt of companies.

In 1996 Carso Global Telecom

Carso Global Telecom

Carso Global Telecom is a telecommunications holding company. The company's investments include a 71% stake in Teléfonos de Mexico , Mexico's #1 telecom service provider, in partnership with Texas-based AT&T Inc. Carso Global Telecom was spun off from Carlos Slim Helú's Grupo Carso conglomerate in...

 (which includes Telmex

Telmex

Telmex is a telecommunications company headquartered in Mexico City that provides telecommunication products and services in Mexico, Argentina, Colombia, Brazil and other countries in Latin America. In addition to traditional fixed-line telephone service, Telmex also offers Internet access, data,...

, Telcel

Telcel

Telcel is Mexico's largest mobile phone carrier, owned by América Móvil. Founded in 1989 and based in Mexico City, Telcel is the leading provider of wireless communications services in Mexico. As of December 31, 2006, Telcel's cellular network covered more than 63% of the geographical area of...

 and América Móvil

América Móvil

América Móvil is a Mexican telecommunication company headquartered in Mexico City, Mexico. It is 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...

) separated itself from Grupo Carso.

Infrastructure and construction

• Grupo PC Constructores
• Swecomex
• CICSA
• CILSA (Constructora de Infraestructura Latinoamericana)