International
  International Society for Stem Cell Research (ISSCR)
  International Stem Cell Forum (ISCF)
  International Consortium of Stem Cell Networks (ICSCN)
  The International Society of Developmental Biologists

Asia/Pacific
  Stem Cell Network Asia-Pacific (SNAP)
  Korean Society for Stem Cell Research (Korean language site)
  Korean Tissue Engineering and Regenerative Medicine Society
    (Korean language site)
  Taiwan Society for Stem Cell Research (TSSCR)
  Australasian Society for Stem Cell Research (ASSCR)
  Australian Stem Cell Centre

Middle East
  Iranian Stem Cell Network (ISCN)

Europe
  EuroStemCell (the European stem cell portal)
  European Stem Cell Network (ESCN)
  Swiss Stem Cell Network (SSCN)
  Norwegian Stem Cell Center
  Germany
    German Society for Stem Cell Research
    Stem Cell Network North Rhine Westphalia
  United Kingdom
    UK National Stem Cell Network (UKNSCN)
    Scottish Stem Cell Network (SSCN)
    East of England Stem Cell Network (EESCN)

North America
  Stem Cell Network (Canada)
  Stem Cell Information at NIH (US government)
  California Institute for Regenerative Medicine (CIRM)
  New York Stem Cell Foundation (NYSCF)