Okul Yöneticileri Derneği (School Heads Association)Non-profit/Non-Governmental Organisation·İstanbul, TurkeyNon réclamé
Olhar PoenteNon-profit/Non-Governmental Organisation·Praia da Vitória (Terceira), PortugalNon réclamé
Olhar Poente - Associação DesenvolvimentoNGO·Agualva - Praia da Vitória, PortugalESC accréditéeNon réclamé
Omladinska Kulturna Organizacija (Youth Cultural Organisation)Non-profit/Non-Governmental Organisation·Mladenovac, SerbiaNon réclamé
Omladinska organizacija SvitacNGO·Brcko district of BiH, Bosnia and HerzegovinaESC accréditéeNon réclamé
