Master System
System-on-chip
System of a Down
CP System
Manila Metro Rail Transit System
Astrophysics Data System
Korean Broadcasting System
Manila Light Rail Transit System
Seoul Broadcasting System
Space Launch System
Atari 5200 Super System
Super Nintendo Entertainment System
Systema Naturae
Columbia Broadcasting System
Swiss Travel System
Nintendo Entertainment System
10-a eldono de Systema Naturae
WGS84
Integrata Taksonomia Informa Sistemo
Simplified molecular-input line-entry system
CVS
Mikroonda armilo
TRS-80
VHS
Geographic Names Information System
Système universitaire de documentation
LIBRIS
Interplaneda dosiersistemo
8-bitaj Atari-komputiloj
Tutmonda loktrova sistemo
BBC Micro
Bultenejo
Scandinavian Airlines
Ĝermolisto de Esperanto-eldonaĵoj