Template:Wikt GSI may refer to:
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Science and technologyEdit
- Geological Strength Index
- Gonadosomatic Index
- UK Government Secure Intranet
- Grid Security Infrastructure, a computer networking specification
- "Global Systems Integrator", large managed technology services providers
- GS-I (Cellulose synthase (UDP-forming)), an enzyme
- Great Sea Interconnector
Businesses and organizationsEdit
BusinessesEdit
- Gemological Science International, gemstone identification/grading/appraisal services
- Geophysical Service Incorporated, an American petroleum exploration corporation
- Guangzhou Shipyard International, a Chinese state-owned shipbuilder
- GSI Commerce, now eBay Enterprise, an American e-commerce company
Scientific organizationsEdit
- GSI Helmholtz Centre for Heavy Ion Research, Germany
- Geographical Society of Ireland
- Geospatial Information Authority of Japan
- Geological Survey of India
- Geological Survey of Ireland
Other organizationsEdit
- Global Security Initiative
- Gabinete de Segurança Institucional da presidência da república (Institutional Security Cabinet), Brazil
- Gustav Stresemann Institute, a German educational charity
Other usesEdit
- Graduate student instructor, a teaching fellow at some US universities
- Grand-Santi Airport, French Guiana (IATA code GSI)