National Science Funding Organisations:

NSF - National Science Foundation
http://www.nsf.gov/

National Aeronautics and Space Administration
http://www.nasa.gov/

European Science Foundation
http://www.esf.org/

Science and Technology Centers Networks and Institutions:

ACM – Association of Children’s Museums
http://www.childrensmuseums.org/index.htm

ASTC - Association of Science-Technology Centers
http://www.astc.org/

Ecsite -European Network of Science Centers and Museums
http://www.ecsite.net/

Asia Pacific Network of Science and Technology Centres
http://www.aspacnet.org/

Smithsonian Institution
http://www.si.edu/

European Science Education Portal
http://www.xplora.org

Science Learning Network: Home
http://www.sln.org/