English abbreviations from tipu to tisg
- TIPU (Thermal Image Processing Units)
- TIQ (Tinian International Airport (West Tinian) (FAA: TNI))
- tir (Tigrinya language (ISO 639-2 code))
- TIRE (Tank Infra-Red Elbow)
- TIREM (Terrain Integrated Rough Earth Model)
- TIROS (Television Infrared Observation Satellite)
- TIS (Traffic information service)
- TISA (Timeshare Institute Of South Africa)
- TISAF (Treasury Information Systems Architecture Framework)
- TISAMIS (TISA Management Information System)
- TISB (Troop and Installation Support Branch)
- TISC (Technical Integration Steering Committee)
- TISG (Technical Interoperability Standards Group)
