European Space Agency (ESA)

31 May 1975

to promote peaceful cooperation in space research and technology

members - (22) Austria, Belgium, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Luxembourg, Netherlands, Norway, Poland, Portugal, Romania, Spain, Sweden, Switzerland, UK

associate member -  (1) Slovenia

cooperating states - (8) Bulgaria, Canada, Croatia, Cyprus, Latvia, Lithuania, Malta, Slovakia