— Space Agencies Forum (1997)
— COSPAR (Committee for Space Research International Council of Science (1994) - Romanian secretariat
— European Space Agency (ESA) - reprezentant al Romaniei (1993 -)
— EURISY - membru (2000)
— Reteaua Regionala a Natiunilor Unite pentru Stiinte Spatiale si Tehnologie (1997)

Acorduri internationale majore
— ESA: ESA European Cooperating State - 2006 and PECS 2007-2011;
— France: Agreement cu CNES (2000) - Proiectul ADAM; Agreement cu CNES (2004) - Misiunea Spatiala COROT;
— Italia: Agreement of scientific co-operation signed with the National Research Council of Italy (CNR) in 2003;
— NASA: Understanding signed in May 2000. Projects in telemedicine, agriculture, microgravity experiments on the International Space Station;
— NASA: Agrement for the Alpha Magnetic Spectrometer (AMS) on the ISS;
— Azerbaijan: Co-operation agreement signed in 2003 with the Azerbaijan National Aerospace Agency;
— Bulgaria: Agreement of co-operation in the exploration and peaceful uses of outer space signed in 1997 with the Bulgarian Aerospace Agency
— Eastern countries: (Bulgaria, Czech Republic, Greece, Hungary, Poland, Slovak Republic, Turkey) Contribution to the Regional Network for Research and Education in Space Science and Technology (under the auspices of the United Nations);
— Hungary: Agreement of space co-operation signed in 1998 with the Hungarian Space Office;
— Italy: Agreement of co-operation signed in 1998 with the Italian Space Agency.