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| Company type | Sociedade Anônima |
|---|---|
| B3: BRTO3, BRTO4 NYSE: BTM | |
| Industry | Telecommunications |
| Founded | 1998 |
| Defunct | January 9, 2009 |
| Headquarters | Brasília, DF, Brazil |
Key people | Ricardo Knoepfelmacher, (CEO) Marco Schroeder, (CFO) Jose Claudio Gonçalves, (COO) Martin Herrera, (CLO/CPO) Suzana Santos, (CMO/CCO) |
| Products | Fixed line and mobile telephony, internet services, digital television |
| Revenue |  US$6.5 billion (2010) |
 US$1.2 billion (2010) | |
Number of employees | 20,451 |
| Parent | Oi |
| Subsidiaries | Internet Group |
| Website | www |
Brasil Telecom S.A. (Brazilian Portuguese pronunciation: [bɾaˈziw teleˈkõw]; BrT) was a major Brazilian telecommunications company headquartered in the Brazilian capital of Brasilia. The company was one of three landlines and eight mobile telephone companies – and only long-distance service provider – that emerged in Brazil following the break-up of Telebrás. Originally the company was called Tele Centro Sul, because its service covered the states in the central and southern parts of Brazil, namely Acre, Rondônia, Goiás, Tocantins, Mato Grosso, Mato Grosso do Sul, Paraná, Santa Catarina and Rio Grande do Sul, as well as the Distrito Federal. Since 9 January 2009, the company is a subsidiary of Oi.