| Airija | ComReg | Commission for Communications Regulation |
| Austrija | RTR | Rundfunk und Telekom Regulierungs-GmbH |
| Albanija | AKEP | Electronic and Postal Communications Authority |
| Belgija | BIPT | Institut Belge des services Postaux et de Télécommunications |
| Bosnija ir Hercegovina | CRA/RAK | Communications Regulatory Agency |
| Bulgarija | CRC | Communications Regulation Commission |
| Čekijos Respublika | CTU | Český telekomunikační úřad |
| Danija | DBA | Danish Business Authority |
| Estija | TJA | The Consumer Protection and Technical Regulatory Authority
Estonian Competition Authority |
| Graikija | EETT | National Telecommunications and Post Commission |
| Gruzija | GNCC | Georgian National Communications Commission |
| Islandija | PTA | Post and Telecom Administration in Iceland |
| Ispanija | CNMC | The National Commission on Markets and Competition |
| Italija | Agcom | Autorità per le Garanzie nelle Comunicazioni |
| Jungtinė Karalystė | Ofcom | Office of Communications |
| Juodkalnija | EKIP | Agency for Electronic Communications and Postal Services of Montenegro |
| Kipras | OCECPR | Office of the Commissioner of Electronic Communications and Postal Regulation |
| Kroatija | HAKOM | Hrvatska agencija za poštu i elektroničke komunikacije |
| Kosovas | ARKEP | The Regulatory Authority for Electronic and Postal Communications |
| Latvija | SPRK | Sabiedrisko pakalpojumu regulesanas komisija |
| Latvija | ESD | Electronic Communications Office |
| Lenkija | UKE | Office of Electronic Communications |
| Lichtenšteinas | AK | Amt für Kommunikation |
| Liuksemburgas | ILR | Institut Luxembourgeois de Régulation |
| Šiaurės Makedonija | AEC | Agency for Electronic Communications |
| Malta | MCA | Malta Communications Authority |
| Moldovos Respublika | ANRCETI | National Regulatory Agency for Electronic Communications and Information Technology |
| Nyderlandai | ACM | The Netherlands Authority for Consumers and Markets |
| Norvegijos karalystė | Nkom | Norwegian Communications Authority |
| Portugalija | ANACOM | Autoridade Nacional de Comunicações |
| Prancūzija | ARCEP | Autorité de Régulation des Communications Electroniques et des Postes |
| Rumunija | ANCOM | National Authority for Management and Regulation in Communications |
| Serbijos Respublika | RATEL | Republic Agency for Electronic Communications |
| Slovakijos Respublika | TU SR | Telekomunikacný úrad Slovenskej republiky |
| Slovėnija | APEK | Agencija za pošto in elektronske komunikacije RS |
| Suomija | Traficom | The Finnish Transport and Communications Agency Traficom 2019 m. sausio 1 d. pakeistas pavadinimas (buvo FICORA) |
| Švedija | PTS | Post- och Telestyrelsen |
| Šveicarija | OFCOM | The Federal Office of Communications |
| Turkija | ICTA | Information and Communication Technologies Authority |
| Ukraina | NCCIR | National Commission for the State Regulation of Communications and Informatization |
| Uzbekistano Respublika | UNICON | Научно-исследовательский центр в области связи |
| Vengrija | NMHH | National Media and Infocommunications Authority |
| Vokietija | BNETZA | Bundesnetzagentur für Elektrizität, Gas, Telekommunikation, Post und Eisenbahnen |
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