CNR http://www.icar.cnr.it
ENEA http://eboals.bologna.enea.it
EPCC http://www.epcc.ed.ac.uk/main/home.html
  http://www.contaminatedland.co.uk/prof-exp/cons-ult/iron-far.htm
CRA http://www.cramont.it
Quadrics Supercomputers World ltd. http://www.quadrics.com
UNICALA http://www.unical.it/home.htm
UN http://www.u-nord.com