Carlos Slim Helú

América Telecom SA de CV provides cellular and telecommunication services. It provides telecommunication services, through its subsidiary Telcel, in the nine mobile regions into which Mexico is divided. Its other subsidiaries include Corporativo Empresarial en Telecomunicaciones, Orca, Technology Fund One, Enitel Intelsat, Construccion y Servicios Internacionales, Techtel LMDS Comunicaciones Interactivas SA, Telet SA, Americel SA, Comunicacion Celular SA, Consorcio Ecuatoriano de Telecomunicaciones SA, Telecomunicaciones de Guatemala, SA, Telcel CompUSA, Inc., TracFone Wireless, Inc., Arbros Communications, Inc. and Genesis Telecom CA, which operate in various countries in the American continent. The company was founded in December 2001 and is located in Mexico City, Mexico.

Inversora Carso SA de CV provides real estate and broking services. It offers purchasing, selling, managing, and constructing real estate properties. The company was founded on January 26, 1966 and is headquartered in Mexico City, Mexico.

Carso Infraestructura y Construcciones SA de CV provides engineering and construction services. The firm designs and builds oil and gas pipeline installations, power generation facilities, telecommunications infrastructure, residential buildings, office spaces, industrial complexes, commercial centers and road works, including tunnels, bridges and highways. It also fabricates and assembles equipment and ancillary structures for oil rigs and drilling platforms. The company was founded in 1999 and is headquartered in Mexico City, Mexico.

América Telecom SA de CV provides cellular and telecommunication services. It provides telecommunication services, through its subsidiary Telcel, in the nine mobile regions into which Mexico is divided. Its other subsidiaries include Corporativo Empresarial en Telecomunicaciones, Orca, Technology Fund One, Enitel Intelsat, Construccion y Servicios Internacionales, Techtel LMDS Comunicaciones Interactivas SA, Telet SA, Americel SA, Comunicacion Celular SA, Consorcio Ecuatoriano de Telecomunicaciones SA, Telecomunicaciones de Guatemala, SA, Telcel CompUSA, Inc., TracFone Wireless, Inc., Arbros Communications, Inc. and Genesis Telecom CA, which operate in various countries in the American continent. The company was founded in December 2001 and is located in Mexico City, Mexico.

Carso Infraestructura y Construcciones SA de CV provides engineering and construction services. The firm designs and builds oil and gas pipeline installations, power generation facilities, telecommunications infrastructure, residential buildings, office spaces, industrial complexes, commercial centers and road works, including tunnels, bridges and highways. It also fabricates and assembles equipment and ancillary structures for oil rigs and drilling platforms. The company was founded in 1999 and is headquartered in Mexico City, Mexico.

Carso Infraestructura y Construcciones SA de CV provides engineering and construction services. The firm designs and builds oil and gas pipeline installations, power generation facilities, telecommunications infrastructure, residential buildings, office spaces, industrial complexes, commercial centers and road works, including tunnels, bridges and highways. It also fabricates and assembles equipment and ancillary structures for oil rigs and drilling platforms. The company was founded in 1999 and is headquartered in Mexico City, Mexico.

América Telecom SA de CV provides cellular and telecommunication services. It provides telecommunication services, through its subsidiary Telcel, in the nine mobile regions into which Mexico is divided. Its other subsidiaries include Corporativo Empresarial en Telecomunicaciones, Orca, Technology Fund One, Enitel Intelsat, Construccion y Servicios Internacionales, Techtel LMDS Comunicaciones Interactivas SA, Telet SA, Americel SA, Comunicacion Celular SA, Consorcio Ecuatoriano de Telecomunicaciones SA, Telecomunicaciones de Guatemala, SA, Telcel CompUSA, Inc., TracFone Wireless, Inc., Arbros Communications, Inc. and Genesis Telecom CA, which operate in various countries in the American continent. The company was founded in December 2001 and is located in Mexico City, Mexico.

Inversora Carso SA de CV provides real estate and broking services. It offers purchasing, selling, managing, and constructing real estate properties. The company was founded on January 26, 1966 and is headquartered in Mexico City, Mexico.

Carso Infraestructura y Construcciones SA de CV provides engineering and construction services. The firm designs and builds oil and gas pipeline installations, power generation facilities, telecommunications infrastructure, residential buildings, office spaces, industrial complexes, commercial centers and road works, including tunnels, bridges and highways. It also fabricates and assembles equipment and ancillary structures for oil rigs and drilling platforms. The company was founded in 1999 and is headquartered in Mexico City, Mexico.

Inversora Carso SA de CV provides real estate and broking services. It offers purchasing, selling, managing, and constructing real estate properties. The company was founded on January 26, 1966 and is headquartered in Mexico City, Mexico.

América Telecom SA de CV provides cellular and telecommunication services. It provides telecommunication services, through its subsidiary Telcel, in the nine mobile regions into which Mexico is divided. Its other subsidiaries include Corporativo Empresarial en Telecomunicaciones, Orca, Technology Fund One, Enitel Intelsat, Construccion y Servicios Internacionales, Techtel LMDS Comunicaciones Interactivas SA, Telet SA, Americel SA, Comunicacion Celular SA, Consorcio Ecuatoriano de Telecomunicaciones SA, Telecomunicaciones de Guatemala, SA, Telcel CompUSA, Inc., TracFone Wireless, Inc., Arbros Communications, Inc. and Genesis Telecom CA, which operate in various countries in the American continent. The company was founded in December 2001 and is located in Mexico City, Mexico.

Mexican Stock Exchange operates as a stock exchange for listed derivatives and OTC markets. It offers market information, market data, listed issuers, listings and prospectus and public offerings to the public. The company is headquartered in Cuauhtémoc, Mexico.

América Telecom SA de CV provides cellular and telecommunication services. It provides telecommunication services, through its subsidiary Telcel, in the nine mobile regions into which Mexico is divided. Its other subsidiaries include Corporativo Empresarial en Telecomunicaciones, Orca, Technology Fund One, Enitel Intelsat, Construccion y Servicios Internacionales, Techtel LMDS Comunicaciones Interactivas SA, Telet SA, Americel SA, Comunicacion Celular SA, Consorcio Ecuatoriano de Telecomunicaciones SA, Telecomunicaciones de Guatemala, SA, Telcel CompUSA, Inc., TracFone Wireless, Inc., Arbros Communications, Inc. and Genesis Telecom CA, which operate in various countries in the American continent. The company was founded in December 2001 and is located in Mexico City, Mexico.