Albania AKEP
Autoriteti i Komunikimeve Elektronike dhe Postare

Austria RTR
Rundfunk und Telekom Regulierungs-GmbH

Belgium BIPT
Institut Belge des services Postaux et de Telecommunications

Bosnia & Hercegovina RAK
Regulatorna Agencija za Telekomunikacije

Bulgaria CRC
Communications Regulation Commission

Croatia HAKOM
Hrvatska Agencija Za Poštu i Elektroničke Komunikacije

Cyprus OCECPR
Office of the Commissioner of Electronic Communications and Postal Regulation

Czech Republic CTU
Cesky telekomunikacni urad

Denmark NTA
Telestyrelsen - National Telecom Agency

Estonia SIDEAMET
Sideamet

Finland FICORA
Viestintavirasto Kommunikationsverket

France ARCEP
Autorite de Regulation des Communications Electroniques et des Postes

Germany BNETZA
Bundesnetzagentur fur Elektrizitat, Gas, Telekommunikation, Post und Eisenbahnen

Greece EETT
National Telecommunications and Post Commission

Hungary NCAH
Nemzeti Hirkozlesi Hatosag

Iceland PTA
Post- og fjarskiptastofnun

Ireland ComReg
Commission for Communications Regulation

Italy Agcom
Autorita per le Garanzie nelle Comunicazioni

Latvia SPRK
Sabiedrisko pakalpojumu regulesanas kom.

Liechtenstein AK
Amt fur Kommunikation

Lithuania RRT
Rysiu reguliavimo tarnyba

Luxembourg ILR
Institut Luxembourgeois de Regulation

Macedonia (Former Yugoslav Republic) AEC Agencija za Elektronski Komunikacii

Malta MCA
Malta Communications Authority

Montenegro AGENTEL Agencija za telekomunikacije

Netherlands OPTA
Onafhankelijke Post en Telecommunicatie Autoriteit

Norway PT
Post- og teletilsynet

Poland URTiP
Urzad Regulacji Telekomunikacji i Poczty

Portugal ANACOM
Autoridade Nacional de Comunicacoes

Romania ANRC
National Regulatory Authority for Comm

International Telecommunication Union
(ITU)
http://www.itu.int/

European Regulators Group
(ERG)
http://www.erg.eu.int/

European Telecommunications Standards Institute (ETSI)
http://www.etsi.org/

European Conference of Postal and Telecommunications Administrations
(CEPT)
http://www.cept.org/

Independent Regulator Group Information Sharing (IRGIS)
irgis.icp.pt/site/

European Public Telecommunications Network Operators
(ETNO)
http://www.etno.be/

European Radiocommunications Office
(ERO)
http://www.ero.dk/

European Telecommunications Office
(ETO)
http://www.eto.dk/

International Amateur Radio Union
(IARU)
http://www.iaru.org/