ADETI- Asociación Española de Derecho de las Telecomunicaciones y de las Tecnologías de la Informaci


APDC- Associação Portuguesa para o Desenvolvimento das Comunicações


AUTEL- Associación Española de Usuarios de Telecomunicaciones


CACC - Czech Association of Competitive Communications


ETIS - Telecommunications Informatics Services


ETNO- European Public Telecommunications Network Operators' Association


ETP - European Telecommunications Platform


ETSA- European Telecommunication Services Association


EVUA- European Virtual Private Networks Users Association


L’AFORS Télécom (Association des Opérateurs de Réseaux et Services de Télécommunications


Pro Telecom - Swiss Telecommunications
 

TELKODER - Turkish Competitive Telco Operators Association
 

TIA- Telecommunications Industry Association
Associação inglesa de Telecomunicações


UKCTA - UK Competitive Telecommunications Association


VAT - Verband Alternativer Telekom-Netzbetreiber


VATM - Verband der Anbieter von TeleKommunikations-und Mehrwertdiensten e V.