Other
- Services Institute of Medical Sciences, a medical school attached to Services Hospital in Lahore
- Plural of sim
- Symbiosis Institute of Management Studies, a business school in India
- Secondary Ion Mass Spectrometry, a surface chemical analysis technique
- Sims, a contract bridge bidding system
- Sims Snowboards
- Sims (novel), a book by F. Paul Wilson about genetically enhanced chimpanzees used as a labor force
- Subscriber Identity Module, removable smart card ICC
- Sims Metal Management, a scrap metal collector
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