Centro Latinoamericano de Física (CLAF)
http://www.cbpf.br/~claf/

International Union of Pure and Applied Physics (IUPAP)
http://www.iupap.org

Centro Atómico de Bariloche (CAB)
http://www.cab.cnea.gov.ar

Centro Brasileiro de Pesquisas Físicas (CBPF)
http://www.cbpf.br

The Abdus Salam International Centre for Theoretical Physics (ICTP)
http://www.ictp.it