ORGANIZING BUREAU OF EUROPEAN SCHOOL STUDENT UNIONSNGO·BRUXELLES, BelgiumESC-akkreditiertNicht beansprucht
ORIGENS- Escola-Taller de BioconstruccioNon-profit/Non-Governmental Organisation·SpainNicht beansprucht
ORTAKOY ANATOLIAN HIGH SCHOOLNon-profit/Non-Governmental Organisation·AKSARAY, TurkeyNicht beansprucht
OSMANİYE BİRLİK GENÇLİK VE SPOR KULÜBÜ DERNEĞİNon-profit/Non-Governmental Organisation·OSMANİYE, TurkeyNicht beansprucht
OSMEH-Organization for Solidarity, Mobility, Ecology and Humanity of youthNon-profit/Non-Governmental Organisation·Belgrade, SerbiaNicht beansprucht
OSTERREICHISCHES ROTES KREUZ LANDESVERBAND OBEROSTERREICH VEREINNGO·LINZ, AustriaESC-akkreditiertNicht beansprucht
