(redirected from Numéro d'Identification Sécurité Sociale)
NISSNSG (Nuclear Suppliers Group) Information Sharing System
NISSNational Intelligence and Security Service (Sudan)
NISSNational Institute of Statistical Sciences
NISSNational Institute for Strategic Studies (various locations)
NISSNational Information Services and Systems (UK)
NISSNew ICMI Study Series (International Commission on Mathematical Instruction)
NISSNational Independent Statistical Service
NISSNuméro d'Identification Sécurité Sociale (Belgian Social Security Identification Number)
NISSNational ITV Satellite Schedule
NISSNetwork and Information Security Services
NISSNational Industrial Security System (Department of Defense)
NISSNational Institute of Space Sciences
NISSNuclear Information Suppliers System
NISSNode-Inclusive Span Survivability
NISSNonimmigrant Information System