Sistema has its headquarters in Moscow, and operates a number of consumer service businesses in the areas of:
* IT and telecoms - Mobile TeleSystems, Moscow City Telephone Network, SkyLink, MTS India.
* Microelectronics - Sitronics (formerly known as 'Science Center Concern'), NIIME, Mikron, STROM telecom.
* Insurance - ROSNO
* Banking - MBRD (Moscow Bank for Reconstruction and Development)
* House-Building - Sistema-Hals
* Retail - Detsky Mir Group
* Media - Sistema Mass Media
* Oil businesses - Bashneft, Ufaorgsintez, Novoil, Ufaneftehim, Ufimskiy NPZ, Bashkirnefteproduct, Bashkirenergo.
*Other businesses - Intourist (Travel Services), RTI Systems (Radio and space technology), Binopharm (Pharmaceuticals), Olympic Sistema (Sport)
The company's Global Depository Receipts (GDRs) are traded on the London Stock Exchange (Lse - SSA).