Oi S.A. is a Brazilian telecommunications company headquartered in Rio de Janeiro. It provides fixed-line telephony, broadband internet, data transmission, and corporate services across Brazil. Formerly known as Telemar and Brasil Telecom, the company originated from the 1998 privatization of the Telebrás system and expanded nationwide through acquisitions.
Oi S.A. operates under judicial reorganization. It has sold its mobile assets and certain business units to focus on fiber optic infrastructure and corporate solutions. The company maintains concessions for switched fixed telephony services.
Official website: oi.com.br
To provide comprehensive coverage, we aggregate data and news under the name Oi, encompassing the following company names, divisions, and related entities:
Telemar and Brasil Telecom.
This list encompasses current and former names, alternate names, and key divisions associated with Oi, ensuring you can easily find all relevant information under a single, unified profile.
