As you asking I am telling MTS in Russian МТС "Мобильные ТелеСистемы", meaning "Mobile TeleSystems" is the largest mobile operator in Russia and CIS with over 102.4 million subscribers as of 31 December 2009.

MTS mobile network operates using the GSM standard. It currently holds licences to provide mobile services in 81 out of 83 regions in Russia and the entire territories of Armenia (VivaCell MTS), Ukraine, Belarus, Uzbekistan, Turkmenistan.

MTS is currently the biggest mobile operator in Central and Eastern Europe

Company profile:

Type Public Joint-Stock Company (PJSC)

Traded as NYSE: MBT, NASDAQ: MBT, MCX: MTSS

Industry Telecommunications

Founded 1993

Headquarters Moscow, Russia Flag of Russia.svg

Key people

Andrei Dubovskov

Products cellular network, local telephone service, broadband, mobile
television, cable television, satellite television, digital television

Revenue Increase US$12.4 billion (2012)

Net income

Decrease US$1.0 billion (2012)

Number of employees

58,052