GSC counts participation from the PSOs, the ITU and its sectors, Liaison organizations and Observer bodies.
The eight PSOs (Participating Standardization Organizations), viz. ACIF - Australian Communications Industry Forum. ARIB - Association of Radio Industries and Businesses (Japan). ATIS - Alliance for Telecommunications Industry Solutions (USA). ETSI - European Telecommunications Standards Institute. TIA - Telecommunications Industry Association (USA). TSACC - Telecommunications Standards Advisory Council of Canada. TTA - Telecommunications Technology Association (Rep of Korea). TTC - Telecommunication Technology Committee (Japan) - are the core partners of GSC - the Global Standards Collaboration. The other partners include:
NB - ETSI keeps a continually updated data base and web site on ICT (Information and Communications Technology) related fora ("forums") in FORAwatch.