International Federation for Information and Documentation

 International Federation of Journalists

 International Union of Psychological Science

 International Federation for Cell Biology (IFCB)

 International Society of Soil Science (ISSS)

 International Investment Bank (IIB)

 International Telecommunications Satellite Organization (INTELSAT)

 International Astronomical Union (IAU)

 Federation Internationale de Gymnastique (FIG); International Federation of Gymnastics

 International Silk Association (ISA)

 International Water Resources Association (IWRA)

 International Mathematical Union (IMU)

 Universala Esperanto-Asocio; Universal Esperanto Association (UEA)

 International Bible Society (IBS)

 International Union of Biological Sciences (IUBS)

 International Union of Biochemistry and Molecular Biology (IUBMB)

 International Association for Ecology

 International Council for Commercial Arbitration

 International Commercial Arbitration Association

 International Chamber of Commerce (ICC)