| Australia |
Australian Communications and Media Authority - ACMA |
| Austria |
Rundfunk und Telekom Regulierungs-GmbH - RTR |
| Belgio |
Institut Belge des services Postaux et de Télécommunications - BIPT |
| Bulgaria |
Communications Regulation Commission - CRC |
| Croazia |
Hrvatska agencija za poštu i elektroničke komunikacije - HAKOM |
| Cipro |
Office of the Commissioner of Electronic Communications and Postal Regulation - OCECPR |
| Repubblica Ceca |
Český telekomunikační úřad - CTU |
| Danimarca |
Telestyrelsen - National Telecom Agency - NTA |
| Estonia |
KONKURENTSIAMET |
| Finlandia |
Viestintävirasto Kommunikationsverket - FICORA |
| Francia |
Autorité de Régulation des Communications Electroniques et des Postes - ARCEP |
| Germania |
Bundesnetzagentur für Elektrizität, Gas, Telekommunikation, Post und Eisenbahnen - BNETZA |
| Giappone |
Japanese Ministry for Public Management, Home Affairs, Posts and Telecommunications - JTM |
| Grecia |
National Telecommunications and Post Commission - EETT |
| Ungheria |
Nemzeti Hírközlési Hatóság - NHH |
| Islanda |
Póst- og fjarskiptastofnun - PTA |
| Irlanda |
Commission for Communications Regulation - ComReg |
| Italia |
Autorità per le Garanzie nelle Comunicazioni - AGCom |
| Italia |
Autorità garante della concorrenza e del mercato |
| Italia |
Garante per la protezione dei dati personali |
| Lettonia |
Sabiedrisko pakalpojumu regulesanas komisija - SPRK |
| Liechtenstein |
Amt für Kommunikation - AK |
| Lituania |
Ryšių reguliavimo tarnyba - RRT |
| Lussemburgo |
Institut Luxembourgeois de Régulation - ILR |
| Repubblica Yugoslava di Macedonia |
Agency for electronic communications - AEC |
| Malta |
Malta Communications Authority - MCA |
| Nuova Zelanda |
New Zealand Commerce Commission |
| Olanda |
Onafhankelijke Post en Telecommunicatie Autoriteit - OPTA |
| Norvegia |
Post- og teletilsynet - PT |
| Polonia |
Urzędu Komunikacji Elektronicznej - UKE |
| Portogallo |
Autoridade Nacional de Comunicações - ANACOM |
| Regno Unito |
Office of Communications - Ofcom |
| Romania |
Autoritatea Naţională pentru Administrare şi Reglementare în Comunicaţii - ANCOM |
| Repubblica Svolacca |
Telekomunikacný úrad Slovenskej republiky - TO SR |
| Singapore |
IDA Singapore |
| Slovenia |
Agencija za pošto in elektronske komunikacije RS - APEK |
| Spagna |
Comisión del Mercado de las Telecomunicaciones - CMT |
| Svezia |
Post- och Telestyrelsen - PTS |
| Svizzera |
Office fédéral de la Communication - OFCOM |
| Turchia |
Bilgi Teknolojileri ve İletişim Kurumu - BTK |
| USA |
Federal Communications Commission - FCC |