1) Company of Vietnam 
==Market share and competitors== Gmobile had a market share (estimated based on revenues) of 3.2% in 2012, making it the fifth largest operator. Its main competitors are Viettel with 40.67% market share, Vinaphone with 30%, and MobiFone with 17.9%, the latter two of which are owned by VNPT. Together, the big three control almost 90% of the market....