ORGANIZING BUREAU OF EUROPEAN SCHOOL STUDENT UNIONSNGO·BRUXELLES, BelgiumESC-geaccrediteerdNiet-geclaimd
OSMANİYE BİRLİK GENÇLİK VE SPOR KULÜBÜ DERNEĞİNon-profit/Non-Governmental Organisation·OSMANİYE, TurkeyNiet-geclaimd
OSMEH-Organization for Solidarity, Mobility, Ecology and Humanity of youthNon-profit/Non-Governmental Organisation·Belgrade, SerbiaNiet-geclaimd
OSTERREICHISCHES ROTES KREUZ LANDESVERBAND OBEROSTERREICH VEREINNGO·LINZ, AustriaESC-geaccrediteerdNiet-geclaimd
