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| Company type | Sociedade Anônima |
|---|---|
| B3: OIBR3, OIBR4 | |
| Industry | Telecommunications |
| Founded | 1998[1] |
| Headquarters | Rio de Janeiro, Brazil |
Key people | Eurico Teles (CEO)[2] |
| Products | Fixed line & mobile phone internet services Pay television |
| Revenue |  R$9.28 billion (2020) |
| R$−10.53 billion (2020) | |
Number of employees | 18947 |
| Website | Official Website (English) |
Oi (IPA: [ˈoj], Portuguese for "Hi"), formerly known as Telemar, is the largest fixed telephone operator and the fourth mobile telephone operator in Brazil, being the third largest telecommunication company in Latin America. It is headquartered in Rio de Janeiro.
In 2013, Oi announced its merger with Portugal Telecom, the largest telecommunication company in Portugal. In June 2015, Portugal Telecom was acquired by Altice Group.[3]
On June 20, 2016, Oi filed for a US$19 billion (R$65 billion) bankruptcy protection, the largest on record for Brazil.[4]
- ^ "Oi | History". Archived from the original on 2018-01-02. Retrieved 2018-01-01.
- ^ Lepido, Daniele (December 19, 2014). "Telecom Italia Said to Favor All-Stock Bid for Tim-Oi Merger". Bloomberg News.
- ^ Cite error: The named reference
:0was invoked but never defined (see the help page). - ^ "Brazil's Telecom Oi files for record bankruptcy". Jelmayer, Rogerio. June 20, 2016. Retrieved July 8, 2016.