Claudia Silva Araujo de Azeredo Santos

Embratel Participacoes SA engages in the providing of telecommunications service. It offers voice services such as, local, long distance domestic and international; mobility; data transmission; video; Internet; telepresence; cloud computing; data center; satellite solutions and value-added IT solutions and telecommunications. The company also provides convergent solutions Telecommunications and IT with mobile telephony and enterprise mobility. It is also involves in optical fibers, metropolitan optical rings, submarine cables and satellites. The company was founded on May 22, 1998 and is headquartered in Rio de Janeiro, Brazil.

Tele Norte Celular Participações SA provides telecommunication services. It offers services which include data transmission, telex, mobile phone, telephone, wireless and internet services. The company was founded on May 22, 1998 and is headquartered in Rio de Janeiro, Brazil.

Part of ISS A/S, Metropolitana Ltd.a is a Brazilian company that provides facility services. The company is based in São Paulo, Brazil. Metropolitana was acquired by ISS World Services A/S, part of ISS A/S from June 10, 2005 on April 25, 2001.