• Historical-cultural and natural museum-reserve "Tomskaya Pisanitsa"

• Twincom Business Ltd.

• "Electronic Archives" Corporation
• ARDIS-CONSULT
• Cognitive Technologies
• Company "1C"
• Creative Union of Experimental Technologies Artists
• Cyril & Methodius
• Directmedia Publishing
• IDDK, Multimedia-publishing «Adept»
• Information center on culture and art "Informcultura". Russian State Library
• Information Group DOTSMEDIA
• Institute of general secondary education
• Intersoft Media
• MediaHouse Ltd.
• Presentations, Magazine
• Publishers house 625
• Renzhin (Businessman Renzhin Konstantin Nikolaevich)
• Research Institute of History and Theory of Fine Arts
• Russian National Multimedia Center
• State Tretyakov Gallery
• The Touch Systems
• Zebra IT-Bureau

• Murom museum of history and art

• AlisaStudio

• "Giper"

• “Alt-Soft” Company- information and communication technologies
• HyperMethod Company
• Philological Faculty of SPb State Univercity
• Saint-Petersburg State University of Culture and Arts
• State Russian Museum
• The National Library of Russia
• The State Hermitage museum

• Sfour

• The Fine Arts Museum of Surgut

• Togliatti State University

• Tomsk Regional Museum

Twincom Business Ltd.
(Twincom Business)

Address: 7-g, Koroleva pr., Korolev, Moscow region, Russia

Tel.: +7(095) 512-96-48, +7 (095) 291-88-56

Fax: +7 (095) 291-88-56

e-mail: info@rubricon.com

Internet: www.rubricon.com

Twincom Business was established to execute all works on internet project Rubricon, www.rubricon.com,

Russia''''s largest reference site. Unique collection of best Russian encyclopedias, dictionaries and other reference titles

• RUBRICON, www.rubricon.com, the largest online encyclopaedic and reference resource in Russia.

• Frolkina Nina