Sites of Telecommunication Companies

• Rostelecom JSC
  http://www.rt.ru/
• J.S.C. "Moldtelecom"
  http://www.moldtelecom.md/
• Royal KPN N.V
  http://www.kpn.com/
• SIA Lattelekom
  http://www.lattelekom.lv/
• Maltacom p.l.c.
  http://www.maltacom.com/
• Magyar Telekom Group
  http://www.matav.hu/
• Portugal Telecom Group
  http://www.telecom.pt/
• Telefónica S.A
  http://www.telefonica.com/
• ROMTELECOM S.A.
  http://www.romtelecom.ro/
• Telekom Slovenije, d. d.
  http://www.telekom.si/
• Ceský Telecom, A. s.
  http://www.telecom.cz/
• Tele2 AB
  http://www.tele2.com/
• AT&T
  http://www.att.com/
• Belgacom SA under public law
  http://www.belgacom.be/
• BT Group plc
  http://www.bt.com/
• Bulgarian Telecommunications Company AD
  http://www.telecom.bg/
• Cable and Wireless plc
  www.cw.com/uk
• CYTA
  http://www.cyta.com.cy/
• Deutsche Telekom AG
  http://www.dtag.de/
• ENTERPRISE DES P&T
  http://www.ept.lu/
• AS Eesti Telekom
  http://www.telecom.ee/
• Finnet Ltd
  http://www.finnet.fi/
• France Télécom
  http://www.francetelecom.fr/
• Elisa Oyj
  http://www.elisa.com/
• Telecom Italia Group
  http://www.telecomitalia.it/
• Telekom Austria AG
  http://www.telekom.at/
• Telenor ASA
  http://www.telenor.no/
• Telekomunikacja Polska S.A.
  http://www.tp.pl/
• Türk Telekomünikasyon A.S.
  http://www.telekom.gov.tr/
• TeliaSonera AB
  http://www.teliasonera.com/
• Metrocom CJSC
  http://www.metrocom.ru/

Foreign Companies

• Monis Ltd.
  http://www.monis.com.ua/
• ISKRATEL Telekomunikacijski sistemi, d. o. o.
  http://www.iskratel.si/
• Telefonaktiebolaget LM Ericsson
  http://www.ericsson.com/
• Zhone Technologies, Inc.
  http://www.zhone.com/
• Siemens AG
  http://www.siemens.com/
• Compagnie Financiére Alcatel
  http://www.alcatel.com/
  http://www.alcatel.ua/
• Multicoms SA
  http://www.multicoms.fr/
• Telspec plc
  http://www.telspec.co.uk/
• STROM telecom s. r. o.
  http://www.strom.cz/

International organizations and institutions

• International Telecommunications Union (ITU)
  http://www.itu.int/
• European Telecommunications Network Operators’ Association (ETNO)
  http://www.etno.be/
• Regional Commonwealth in the field of Telecommunications (RCC)
  http://www.rcc.org.ru/
• European Bank of Reconstruction and Development (EBRD)
  http://www.ebrd.com/
• INTELSAT
  http://www.intelsat.com/
• EUTELSAT
  http://www.eutelsat.com/
• Conference of European Postal and Telecommunications Administrations (CEPT);
  http://www.cept.org/
• European Commission
  www.europa.eu.int/comm/index_en.htm
• Inmarsat
  http://www.inmarsat.org/
• European Radiocommunication Office (ERO)
  http://www.ero.dk/
• European Telecommunication Office(ETO)
  http://www.eto.dk/
• European Telecommunications Standard Institute (ETSI)
  http://www.etsi.org/

Telecommunication and Postal Regulatory Authorities

• Rundfunk und Telekom Regulierungs-GmbH (RTR) (Austria)
  http://www.rtr.at/
• National Telecommunication Agency (Denmark)
  http://www.tst.dk/
• Belgium Institute for Postal Services and Telecommunications
  http://www.bipt.be/
• Telecommunication Administrative Center (Finland)
  http://www.thk.fi/
• Telecommunications Regulatory Authority (France)
  http://www.art-telecom.fr/
• Hellenic Telecommunications and Post Commission (Greece)
  http://www.eett.gr/
• Telecommunications Regulatory Authority (Hungary)
  http://www.hif.hu/
• Post and Telecom Administration (Island)
  http://www.pta.is/
• Italian Communications Regulatory Authority
  http://www.agcom.it/
• Latvian Telecommunication State Inspection
  http://www.vei.lv/
• Luxemburg Telecommunication Institute
  www.ilr.etat.lu/content.html
• Norwegian Post and Telecommunication Regulatory Authority
  http://www.npt.no/
• Polish Telecommunications Regulatory Authority
  http://www.ml.gov.pl/
• Portuguese Telecommunications Regulatory Authority
  http://www.icp.pt/
• Telecommunications Market Commission (Spain)
  http://www.cmt.es/
• Swedish National Post and Telecom Agency
  http://www.pts.se/
• National Communications Commission (Argentina)
  http://www.cnc.gov.ar/
• Australian Communications and Media Authority
  http://www.aca.gov.au/
• Аnatel (Brazil)
  http://www.anatel.gov.br/
• Canadian Radio-television and Telecommunications Commission
  http://www.crtc.gc.ca/
• Ministry oc Communications (Columbia)
  http://www.mincomunicaciones.gov.co/
• Telecommunications Regulatory Authority (Hong Kong)
  http://www.ofta.gov.hk/
• Ministry of Public Management, Home Affairs, Post and Telecommunications (Japan)
  http://www.mpt.go.jp/
• Ministry of Information and Communication (Коrea)
  http://www.mic.go.kr/
• Mexican Communications Regulatory Authority
  http://www.sct.gob.mx/
• Post and Telegraph Department (Thailand)
  http://www.ptd.go.th/
• Federal Communications Commission (USA)
  http://www.fcc.gov/
• Postal Regulatory Commission (USA)
  http://www.prc.gov/
• Federal Office of Communications (Switzerland)
  http://www.bakom.ch/
• Oftel (Great Britain)
  http://www.oftel.gov.uk/