Carlos Slim Domit

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.

Grupo Condumex SA de CV manufactures electronic components and generates electricity. Its products include electrical & telecommunications conductors, power generators, transformers, plastic products, and non-ferrous metal products. The group is formed by more than 50 companies that are active in the sectors such as automotive parts, cables, electronics, and energy total development projects. It is present in Spain, Germany, Chile, Guatemala, Brazil, China and the United States of America. Grupo Condumex was founded in 1954 and is headquartered in Mexico City, Mexico

Teléfonos de México SAB de CV is a telecommunications company. It is engaged in owning and operating a fixed-line telecommunications system, offering connectivity, Internet access, co-location, hosting and interconnection services. The company was founded on December 23, 1920 and is headquartered in Mexico City, Mexico.

Part of Grupo Carso SAB de CV, Sanborn Hermanos SA is a Mexican company based in Mexico City, Mexico. The company offers a wide range of products including technology and electronics, audio, telephony, photography, computers, books and magazines, pharmacy, optics, supplements and vitamins, hygiene and health, babies, toys and sweets, home and office, tobacco, wines and liquors, gourmet, entertainment, and more. The CEO of the company is Rodrigo Hajj Slim.

US Commercial Corp. SA de CV markets and distributes personal computers and accessories. The company was founded on November 29, 2001 and is headquartered in Mexico City.

Carso Global Telecom SAB de CV is engaged in providing telecommunication services. The company was founded on June 24, 1996 and is headquartered in Mexico City, Mexico.