Each Scientific Union or other body federated to ISC which has an interest in research data and a desire to participate in the work of CODATA may become a Member by applying to CODATA through the CODATA Executive Director who shall substantiate its affiliation with ISC. (CODATA Constitution, Statute 3.1.c)
| 4S, Society for Social Studies of Science CODATA delegate: Anita Say Chan DRUM Ambassador: Anita Say Chan |
IUIS, International Union of Immunological Societies CODATA delegate: Roslyn Kemp, Associate Professor, University of Otago DRUM Ambassador: Bjoern Peters |
| IAU, International Astronomical Union CODATA delegate: Francoise Genova, CDS DRUM Ambassador: Sébastien Derrière, Arnold Rots, Francoise Genova |
IUPAC, International Union of Pure and Applied Chemistry CODATA delegate: Richard Hartshorn, Professor, University of Canterbury DRUM Ambassador: Richard Hartshorn, Jeremy Frey, Stuart Chalk |
| WAU, World Anthropological Union CODATA delegate: Isaac Nyamongo and Mary Hallin DRUM Ambassador: Mary Hallin |
IUPAP, International Union for Pure and Applied Physics CODATA delegate: Jens Vigen DRUM Ambassador: Eric Shirley |
| IGU, International Geographical Union CODATA delegate: Dr Pankaj Kumar DRUM Ambassador: Barbaros GÖNENÇGİL |
IUPESM, International Union for Physical and Engineering Sciences in Medicine CODATA delegate: Marc Nyssen, Vrije Universiteit Brussel, Brussels (VUB) DRUM Ambassador: Magdalena Stoeva, Marc Nyssen |
| IMU, International Mathematical Union CODATA delegate: Chair of the Committee on Electronic Information and Communication (2024-2026: Ilka Agricola, Philipps-Universität Marburg) DRUM Ambassador: Johan Hoffman |
IUPHAR, International Union of Basic and Clinical Pharmacology CODATA delegate: Lars Gustafsson DRUM Ambassador: Stephen Alexander |
| ISA, International Sociological Association CODATA delegate: Chih-Jou Jay Chen, SINCIA DRUM Ambassador: Chih-Jou Jay Chen |
IUPS, International Union of Physiological Sciences CODATA delegate: Rossana Occhipinti DRUM Ambassador: Peter Hunter |
| ISDE, International Society for Digital Earth CODATA delegate: Changlin Wang DRUM Ambassador: Joan Masó |
IUPsyS, International Union of Psychological Science CODATA Delegate: Pamela Maras, Professor in Social and Educational Psychology, Faculty of Education and Health, University of Greenwich. DRUM Ambassador: Pamela Maras |
| ISPRS, International Society for Photogrammetry and Remote Sensing CODATA delegate: Sisi Zlatanova DRUM Ambassador: Sisi Zlatanova |
IUSS, International Union for Soil Sciences CODATA delegate: Fenny van Egmond, ISRIC – World Soil Information (and Wageningen Environmental Research) and chair of IUSS WG Soil Information Standards DRUM Ambassador: Brandon Whitehead |
| IUBS, International Union of Biological Sciences CODATA delegate: Dr. Yiming Bao, Director of BIG Data Center, Beijing Institute of Genomics, China DRUM Ambassador: Alok Bhattacharya |
IUSSP, International Union for the Scientific Study of Population CODATA Delegate: Professor George Alter, University of Michigan DRUM Ambassador: Professor George Alter, University of Michigan |
| IUCR, International Union of Crystallography= CODATA delegate: John Helliwell, Emeritus Professor of Chemistry, University of Manchester| DRUM Ambassador: Carol Brock |
IUTAM, International Union of Theoretical and Applied Mechanics CODATA delegate: Francisco Chinesta, Professor of computational physics at ENSAM ParisTech. DRUM Ambassador: Francisco Chinesta |
| IUFOST, International Union of Food Science and Technology CODATA delegate: Mariusz Piskula DRUM Ambassador: Chin-Kun Wang, Mariusz Piskula |
IUTOX, International Union of Toxicology CODATA delegate: Dr. Peter Di Marco, President of IUTOX DRUM Ambassador: Peter di Marco |
| IUFRO, International Union of Forest Research Organizations CODATA delegate: Alexander Buck, IUFRO Executive Director. DRUM Ambassador: |
URSI, Union Radio Scientifique Internationale CODATA delegate: Peter Van Daele DRUM Ambassador: Yasuhiro Koyama |
| IUGG, International Union of Geodesy and Geophysics CODATA delegate: Anatoly Soloviev DRUM Ambassador: Justin Mabie |
WDS, World Data System CODATA delegate: Meredith Goins, Executive Director, WDS IPO. DRUM Ambassador: |
| IUGS, International Union of Geological Sciences CODATA delegate: Harvey Thorleifson DRUM Ambassador: |