Oi
Oi is a pioneer company in the provision of bundled services in Brazil. A Oi offers local and long-distance voice transmission, mobile telephony, broadband and pay TV. In March 2012, the company had 70,8 million revenue generating units (RGUs). This total includes 44.1 million in personal mobile segment, 18.6 million in residential segment and 8.1 million in business/corporate segment.
For the fourth consecutive year, Oi is part of the ISE - Corporate Sustainability Index portfolio of the BM&F BOVESPA, reflecting the company’s commitment to social responsibility and corporate sustainability. For the second consecutive year, Oi is also part of the IC02 — Carbon Efficiency Index — of the BM&F Bovespa.