EFC – European Foundation Center

MILSET – Mouvement International pour le Loisir Scientifique et Technique

IFIA – International Federation of Inventors’ Assciation

OFAJ – Office Franco Allemand pour la Jeunesse

CIVICUS – World Alliance for Citizen Participation

Institute of Mathematics and Informatics

Federation of the Associations for Dissemination of Knowledge

Federation of Scientific and Technical Unions

Union of the Mathematicians in Bulgaria

Ministry of Ministry of Education Youth and Science – National Fund “Scientific Research”

National School for Management for Students in Highschool

National Patent Department

Union of the Scientists in Bulgaria

Union of the Physicists in Bulgaria

St. Cyril and St. Methodius International Foundation

National Palace of Children

CAF-Bulgaria – Charity Aid Foundation-Bulgaria

SCAS- Student Computer Arts Society

National Polytechnic Museum

Union of Inventors in Bulgaria