Leonardo de Carvalho Capdeville

TIM Participações SA is a holding company, which engages in the provision of wireless cellular telecommunication services. The company provides private and public telephone services at both the local and regional levels. It offers wireless and fixed line telephone services, pre-paid mobile, post-paid mobile, GSM mobile services, and Internet access services. The company was founded on May 22, 1998 and is headquartered in Rio de Janeiro, Brazil.

Fundação CPqD Centro de Pesquisa e Desenvolvimento provides R&D services, and develops programs and solutions for the telecommunications, finance, energy, industrial, corporate, and public service sectors. The firm was founded in 1976, and is based in Campinas, São Paulo.

Tim Celular SA provides telecommunications services. It offers short message services or text messaging, multimedia messaging services, push-mail, blackberry service, video call; turbo mail, wireless application protocol downloads, web browsing, business data solutions, songs, games, television access, voice mail, conference calling, chats, and other content and services, as well as pre-paid broadband services. The company was founded in 2003 and is located in Sao Paulo, Brazil.