• Telecommunication Investment Joint Stock Company (Svyazinvest)
• OJSC MegaFon
• OJSC Mobile TeleSystems («MTS»)
• OJSC SkyLink
• JSC "TransTeleCom Company"
• JSC Central Telegraph
• Golden Telecom, Inc.

Enterprises/ national, regional, municipal organizations

• Central Bank of the Russian Federation
• Main Internal Affairs Directorate
• Ministry of Internal Affairs
• Ministry of Finance
• Federal Treasury

Extractive industry, energy industry, transport and construction corporations

• ALROSA Company Limited
• OAO Severalmaz
• OJSC Verkhnevolzhsknefteprovod (Transneft)
• Caspian Pipeline Consortium (Transneft)
• Halliburton Co
• Boeing
• Baltiysky Zavod, JSC
• Russian Railways
• Lukoil-Inform

Financial, trade corporations, business centers, manufacturing companies

• Pepsi Intl. Bottling Co.
• Lianozovsky Dairy Plant (Wimm-Bill-Dann)
• VTB Bank
• Sberbank (Savings Bank of the Russian Federation)
• Commercial Bank Solidarnost
• Renaissance Insurance Group
• ICN Polyfarm
• J. P. Morgan
• Qualcomm
• Anglo-American School of Moscow