1. Academia de ciencias de America Latina (ACAL)

      2. Engineering committee on oceanic resource (ECOR)

      3. Federation of Asian scientific academies and societies (FASAS)

      4. Federation international des geometers (FIG)

      5. International association of hydraulic engineering &research (IAHR)

      6. International cartographic association (ICA)

      7. International council for laboratory animal science (ICLAS)

      8. International commission for optics (ICO)

      9. International cell research organization (ICRO)

      10. International council for scientific & technical informational (ICATI)

      11. International federation for information processing (IFIP)

      12. International foundation of library association & institutions (IFIA)

      13. International foundation of library association & institutions (IFIA)

      14. International federation of science editors (IFSE)

      15. International federation of societies for microscopy (IFSM)

      16. International institute of applied system analysis (IIASA)

      17. International union for vacuum science, technique & applications (IUVSTA)

      18. International water association (IWA)

      19. Pacific science association (PSA)

      20. The academy of sciences for the developing world (TWAS)

      21. International Association of nano Technology

       http://www.scholarly-societies.org/unions.html