Kategori 1

-> Asosiasi Élmu Sosial Arktik Internasional (IASSA)

-> Asosiasi Internasional Élmu Hukum (IALS)

-> International Astronomical Union (IAU)

-> Asosiasi Kartografi Internasional (ICA)

-> Komisi Internasional pikeun Optik (ICO)

-> Komisi Internasional ngeunaan Iluminasi (CIE)

-> Déwan Internasional pikeun Matematika Industri sareng Terapan (ICIAM)

-> International Federation of Societies for Microscopy (IFSM)

-> International Geographic Union (IGU)

-> International Mathematical Union (IMU)

-> Asosiasi Panaliti Perdamaian Internasional (IPRA)

-> Asosiasi Élmu Pulitik Internasional (IPSA)

-> International Society for Photogrammetry and Remote Sensing (ISPRS)

-> Asosiasi Sosiologi Internasional (ISA)

-> International Union for Physical and Engineering Sciences in Medicine (IUPESM)

-> International Union for Pure and Applied Biophysics (IUPAB)

-> International Union for Quaternary Research (INQUA)

-> International Union for the Scientific Study of Population (IUSSP)

-> Persatuan Internasional Farmakologi Dasar sareng Klinis (IUPHAR)

-> International Union of Biological Sciences (IUBS)

-> International Union of Crystallography (IUCr)

-> International Union of Food Science and Technology (IUFoST)

-> International Union of Forest Research Organizations (IUFRO)

-> International Union of Geodesy and Geophysics (IUGG)

-> International Union of Géological Sciences (IUGS)

-> International Union of History and Philosophy of Science and Technology (IUHPST)

-> International Union of Immunological Societies (IUIS)

-> International Union of Materials Research Society (IUMRS)

-> International Union of Microbiological Societies (IUMS)

-> International Union of Nutritional Sciences (IUNS)

-> International Union of Physiological Sciences (IUPS)

-> International Union of Psychological Science (IUPsyS)

-> International Union of Pure and Applied Chemistry (IUPAC)

-> International Union of Pure and Applied Physics (IUPAP)

-> Uni Internasional Élmu Radio (URSI)

-> International Union of Soil Sciences (IUSS)

-> International Union of Speleology (UIS)

-> International Union of Theoretical and Applied Mechanics (IUTAM)

-> International Union of Toxicology (IUTOX)

-> Paguyuban Ilmu Pengetahuan Sosial (4S)

-> Persatuan Antropologi Dunia (WAU)