Update 22, 25 September 2006
Comisión Federale de Electridad (in Spanish)
Comisión Nacional de Seguridad Nuclear y Salvaguardias (in Spanish)
Consejo Nacional de Ciencia y Tecnologia (in Spanish)
Instituto de Ciencias Nucleares - Universidad Nacional (in Spanish)
Instituto Nacional de Investigaciones Nucleares (in Spanish)
International College of Nuclear Medicine Physicians (Spanish/English)
Mexican Society of Radiology
Procuratoria Federal de Proteccion al Ambiente (in Spanish)
Sociedad Mexicana de Seguridad Radiologica
Secretaría de Energía (in Spanish)
   
Many thanks to Victor Badulin for the addition to this page