OIKOS ORGANIZATION FOR INTERNATIONAL KOOPERATION AND SOLIDARITY ONLUSNGO·UDINE, ItalyESC AcreditadaNão reclamado
OKO - vzdelavaci a rozvojove centrum, z.s.NGO·Rychnov nad Kněžnou, CzechiaESC AcreditadaNão reclamado
ON THE ROAD SOCIETA' COOPERATIVA SOCIALENGO·San Benedetto del Tronto (AP), ItalyESC AcreditadaNão reclamado
ONCR - Centrul Local Mircea cel Batran Rm. ValceaNon-profit/Non-Governmental Organisation·Ramnicu Valcea, RomaniaNão reclamado
ONET : Organisation Nationale de l'Enfance TunisienneNon-profit/Non-Governmental Organisation·TunisiaNão reclamado
