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  1. en.wikipedia.org › wiki › Oi_(telecommunications)Oi (telecommunications) - Wikipedia

    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 .

  2. ri.oi.com.br › en › corporate-profileAbout Oi - Oi - Investor Relations Oi

    Oi is a Brazilian telecommunications company, pioneer in convergent broadband services, pay TV, local and long-distance voice transmission. The company is the operator that has the biggest fiber optics network capillarity, with over 400,000 kilometers of fiber, guaranteeing its nationwide presence, and reaching remote areas to promote digital ...

  3. www.reuters.com › business › media-telecomBrazil's Oi exits bankruptcy protection after more than 6 ... - ...

    Dec 15, 2022 · Shares in Brazilian telecom firm Oi SA soared on Thursday after it revealed it was exiting bankruptcy protection, marking the closure of a restructuring process that lasted more than six years.

  4. ri.oi.com.br › en › corporate-profileHistory - Oi - Investor Relations Oi

    Our History. Oi was created in 1998 as a result of the privatization of the national Telebrás System, covering 64% of the Brazilian territory. In 2008, the Company launched its mobile telephone services in the state of São Paulo.

  5. pitchbook.com › profiles › companyOi Telecommunications Company Profile 2024: Stock Performance ...

    Oi SA is a provider of telecommunication services. The company's operating segment include Residential; Personal mobility and Other services and business. It generates maximum revenue from the Residential segment.

  6. www.reuters.com › business › media-telecomBrazil's Oi files for second bankruptcy protection process

    Mar 2, 2023 · Brazilian telecoms company Oi SA has filed for a second bankruptcy protection process, it said on Thursday, only months after emerging from a similar restructuring process that lasted more than...

  7. www.globaldata.com › company-profile › oi-saOi S.A. Company Profile - Oi S.A. Overview - GlobalData

    It markets services under Oi, Claro TV and Oi TV brand names. The company provides subscription television services through its Oi TV and also offers innovative IT solutions for companies of all sizes through a cloud computing platform. Oi is headquartered in Rio de Janeiro, Brazil.