| Acronym | Definition |
|---|
| GSI➣General Steel Holdings, Inc. (Beijing, China) |
| GSI➣Gesellschaft für Schwerionenforschung (German Federal Research Institute f |
| GSI➣Global Security Institute |
| GSI➣Global System Integrator (various companies) |
| GSI➣Global Security International (Daphne, AL) |
| GSI➣Government Secure Intranet |
| GSI➣Geological Survey of India |
| GSI➣Grid Security Infrastructure (software) |
| GSI➣Goldman Sachs International |
| GSI➣Green Stormwater Infrastructure (various locations) |
| GSI➣Global Surf Industries (Australia) |
| GSI➣Global Subsidies Initiative (International Institute for Sustainable Development) |
| GSI➣Geographical Survey Institute (Ibaraki, Japan) |
| GSI➣General Server Interface |
| GSI➣Grid Security Infrastructure |
| GSI➣Great Software Ideas |
| GSI➣Geological Society of Iowa |
| GSI➣Gas Safety Inspection (UK) |
| GSI➣Graphic Systems, Inc. (various locations) |
| GSI➣Greater Spokane Incorporated (Chamber of Commerce and Economic Development Council; Spokane, WA) |
| GSI➣Geological Survey of Ireland (est. 1845) |
| GSI➣Graduate Student Instructor |
| GSI➣Gonadosomatic Index |
| GSI➣Group Self-Insurance |
| GSI➣Genealogical Society of Ireland (est. 1990) |
| GSI➣Global Severity Index |
| GSI➣Genuine Software Initiative (Microsoft) |
| GSI➣Global Science Institute (est. 2017) |
| GSI➣Green Storage Initiative (Storage Networking Industry Association) |
| GSI➣Gross Sexual Imposition |
| GSI➣Gross Scheduled Income |
| GSI➣Government Source Inspection |
| GSI➣Global Sustainability Index (various locations) |
| GSI➣Graduate Student Intern (various schools) |
| GSI➣Gannett Satellite Information Network |
| GSI➣Get Someone In |
| GSI➣Guest Services, Inc. (Fairfax, VA) |
| GSI➣Global Single Instance (Oracle) |
| GSI➣Global Scale Impact (climate change) |
| GSI➣Generic Safety Issue |
| GSI➣Geological Strength Index |
| GSI➣Get Sirius Info |
| GSI➣Global Strategies International (various locations) |
| GSI➣Giga-Scale Integration |
| GSI➣Guest Satisfaction Index (hotel industry) |
| GSI➣GomTV Star Invitational |
| GSI➣GameSpy Industries |
| GSI➣Gerontological Services, Inc. (Santa Monica, CA) |
| GSI➣Glide Slope Indicator |
| GSI➣Global Strike Integration (United States Strategic Command Joint Functional Component Command; US DoD) |
| GSI➣Geological Survey Institute (Japan) |
| GSI➣Global System Interrupt |
| GSI➣Grid Security Interface |
| GSI➣Government Systems Incorporated |
| GSI➣Goal Systems International (Port Angeles, WA) |
| GSI➣Geriatrics-For-Specialists Initiative |
| GSI➣Genie Scientific, Inc. (manufacturer of lab fume hoods and metal cabinets) |
| GSI➣Generic Software Interface |
| GSI➣Geek Squad Installer (Best Buy) |
| GSI➣Galil Seguridad Israelí (Spanish: Galil Israeli Security) |
| GSI➣Goddard Safety Initiative |
| GSI➣Guest Service Interaction |
| GSI➣Gulf States Initiatives |
| GSI➣Graham Studios Inc (Philadelphia, Pennsylvania) |
| GSI➣Ground Safety Instruction |
| GSI➣Geo Services International Ltd (UK) |
| GSI➣GoodSeed International |
| GSI➣GPETE Support Item |
| GSI➣Globecomm Systems International (contractor) |
| GSI➣Gerencia de Seguridad Institucional (Guatemala) |
| GSI➣Generator Services International, Inc. |