This page includes professional societies, non-profit organizations, educational institutions, and government centers/institutes.
- American Chemical Society. Chemical Information Division
- Beilstein Institut
- Cambridge Crystallographic Data Centre (CCDC)
- Chemical Abstracts Service
- Chemical Society of Japan, Division of Chemical Information and Computer Science
- Chinese Chemical Society
- European Bioinformatics Institute
- FIZ Karlsruhe
- GDCh (German Chemical Society) Division of Computers in Chemistry
- InChI Trust
- International Union of Crystallography
- International Union of Pure and Applied Chemistry
- Japan Association for International Chemical Information (JAICI)
- Molecular Graphics and Modelling Society
- Royal Australian Chemistry Institute
- Royal Netherlands Chemical Society (KNCV)
- Royal Society of Chemistry. Computer Information and Computer Applications Group
- Swiss Chemical Society
- Swiss Institute of Bioinformatics
- U.S. National Institute of Standards and Technology
- U.S. National Library of Medicine. National Center for Biotechnology Information
- University of Cambridge – Centre for Molecular Informatics
- University of Sheffield School of Information – Chemoinformatics Research Group
- Worldwide Web Protein Data Bank