SIS

Acronym	Definition
SIS	sister
SIS	Student Information Systems
SIS	State Information Service (Egypt)
SIS	Students in Service (est. 1997)
SIS	Secret Intelligence Service (MI6)
SIS	Success in Soccer (magazine; various locations)
SIS	School of Information Sciences
SIS	Science in Sport (nutrition)
SIS	School of International Service (American University, Washington, DC)
SIS	Silence Is Sexy
SIS	Success in Stages (bullying intervention program)
SIS	Say It Straight (Texas)
SIS	Summer in Switzerland
SIS	Semester in Spain (various schools)
SIS	Siemens IT Solutions
SIS	Stand-in-Stead
SIS	Single-Instance Storage
SIS	Superannuation Industry (Supervision) Act (Australia)
SIS	Specialty Insurance Services (Paoli, PA)
SIS	Stay-In-School (program)
SIS	Schengen Information System
SIS	Services Information System (North Carolina)
SIS	Safety Instrumented System
SIS	School of International Studies
SIS	Shivas Irons Society (golf; Carmel, CA)
SIS	Scientific Instrument Services (Ringoes, NJ)
SIS	School of Indigenous Studies (Australia)
SIS	Second-Impact Syndrome (brain injury)
SIS	School of Information Systems (Singapore)
SIS	Secure Information Sharing
SIS	Sundaram Infotech Solutions (India)
SIS	Singapore Indoor Stadium (est. 1989)
SIS	Super Image Stabilizer
SIS	School Internet Server
SIS	System Integrity Services
SIS	Single Ink System
SIS	Single Image Stereograms
SIS	Stateful Inspection System
SIS	Silicon Integrated Systems
SIS	Specialized Information Services
SIS	Software Integration Services
SIS	Student Information System
SIS	Startup Info Structure
SIS	Scalable Internet Services
SIS	System Installation Suite
SIS	Satellite Informations Service
SIS	Supplier Information System
SIS	Statistical Information System
SIS	Secure Internet Services
SIS	Systems Integrators
SIS	Single Instance Store
SIS	Services Information System
SIS	Specialized Information Services (National Library of Medicine)
SIS	Single Instance Store (Microsoft Windows 2000)
SIS	Seisen International School (Tokyo, Japan)
SIS	Strategic Infrastructure Security (computer training)
SIS	Special Information Systems (US DoD)
SIS	Standardiseringen I Sverige
SIS	Small Intestinal Submucosa
SIS	Schlumberger Information Solutions
SIS	Smaller Island States
SIS	Simple Instruction Set
SIS	Silicon Integrated System(s)
SIS	Spatial Information System
SIS	Servicio de Inteligencia Naval (Italian: Naval Intelligence Service)
SIS	Six-Item Screener (cognitive impairment)
SIS	Stroke Impact Scale
SIS	Strategic Intermodal System
SIS	Strategic Information System
SIS	SegainterSettle AG (Swiss Central Securities Depository)
SIS	School of Information Studies
SIS	Social Inclusion Strategy
SIS	Shop in Shop (various companies)
SIS	State Institute of Statistics
SIS	Signal-in-Space (L1 or L2 signal transmitted from GPS satellites to GPS receivers)
SIS	Suspended Imposition of Sentence (legal)
SIS	Stuff I've Seen (Microsoft search team, Ottawa, Canada)
SIS	Swarm Intelligence Symposium (IEEE)
SIS	Share Incentive Scheme
SIS	Single Image Stereogram
SIS	Sequential Importance Sampling
SIS	Software Interface Specification
SIS	Special Investigations Section
SIS	Superconductor/Insulator/Superconductor
SIS	Shift-Invariant Space (mathematics)
SIS	Security Information Systems
SIS	Student Intervention Services (various schools)
SIS	Society for Interdisciplinary Studies
SIS	Symbian Installation System (mobile phones)
SIS	Studijni Informacni System (Czech: Student Information System)
SIS	Science Information Strategy (Natural Environment Research Council; UK)
SIS	Seoul International School
SIS	Susceptible Infected Susceptible
SIS	Siemens Industrial Services (Canada)
SIS	Safe Injection Site (various locations)
SIS	Special Investigation Squad (TV show)
SIS	Side Impact Sensor (automobiles)
SIS	Standardiseringskommissionen I Sverige
SIS	Species Impact Statement (environmental conservation)
SIS	Shimano Index System
SIS	Senior Intelligence Service
SIS	Serotonin Irritation Syndrome
SIS	International Workshop on Secure Information Systems (IEEE Workshop)
SIS	Shekou International School (China)
SIS	Simulator Interface System (US NASA)
SIS	Slovak Information Service
SIS	Satellite Instrument Shelter
SIS	Scientific Instrument Society
SIS	Safety Injection System
SIS	Software Intensive System
SIS	Special Interest Seminar (various organizations)
SIS	Streamlined Inspection System
SIS	Software Implementation Specification
SIS	Semiconductor Insulator Semiconductor
SIS	Schwerionensynchrotron (Gesellschaft für Schwerionenforschung mbH)
SIS	Seiko Instruments Singapore (est. 1973)
SIS	Senologic International Society
SIS	System Infrastructure Software
SIS	Sections Internationales de Sèvres (French bilingual school)
SIS	Standalone Identification System (aerospace)
SIS	School of Intercultural Studies (Fuller Theological Seminary, Pasadena California)
SIS	Standard Interface Specification
SIS	Soccer Information Systems
SIS	Styrene Isoprene Styrene Block Copolymer
SIS	Shipbuilding Innovation Scheme (Australia)
SIS	Swedish Institute for Standards (central body for standardization)
SIS	Schwab Investor Services
SIS	Special Information System
SIS	Space Information Systems
SIS	Serviços de Informação e Segurança
SIS	Safety Interlock Switch
SIS	Social Indicators Survey
SIS	Spacecraft Interface Simulator
SIS	Simple Image Service
SIS	Slope Information System (Hong Kong)
SIS	Siteseeing Internet Services (Netherlands)
SIS	Sound In Syncs
SIS	State Intermodal System (Florida, USA)
SIS	Stiftung für Internationale Solidarität und Partnerschaft
SIS	Space and Intelligence Systems
SIS	Sigurnosno Izvestajna Sluzba (Security and Information Service, Croatia)
SIS	Skier Insurance Services
SIS	Saline Infused Sonogram
SIS	Standard Information System
SIS	Space Inventory System
SIS	System Integration and Support
SIS	Stepwise Isothermal Segregation
SIS	Standard Indexing System
SIS	Système Information Sociale
SIS	Stroudsburg Intermediate School
SIS	Space Intelligence Squadron
SIS	Southern Information Systems, Inc.
SIS	Signalling Interworking Subsystem
SIS	SCI Isolation Segment
SIS	Scanning Imaging Spectrometer
SIS	Saman Information Structure (Iran)
SIS	Sensor Image Simulator
SIS	Superconducting Image Surface
SIS	Signatured Instruction Stream
SIS	Servicios Israelis de Seguridad (Guatemalan security firm)
SIS	Simposio de Ingeniería de Software
SIS	Simple Internet Solutions
SIS	Synopsis Information System (DCAA)
SIS	Selective Inquiry System
SIS	Satellite Intercept System
SIS	Strategic Intelligence Summary
SIS	Surface-ionization-type Ion Source
SIS	Site Integrated Schedule
SIS	Single Interceptor Satellite
SIS	Simulation Induced Sickness (program)
SIS	Sistemas Israelitas de Seguridad (Guatemala)
SIS	Slovenský Internetový Spravodaj (Slovak Internet Search)
SIS	Stil I Stål (Finnish: Style in Steel)
SIS	Subversive Intellectual Society
SIS	Solar Interplanetary Satellite
SIS	Sales Implementation Specialist (Sprint)
SIS	Statistical Inventory Sampling
SIS	Shuttle Interface Subsystem (US NASA)
SIS	Slovenská Informacná Služba (Slovak Information Service)
SIS	Station Indépendante Satellite (Belgian radio)
SIS	Supply Information System
SIS	Saratoga Investama Sedaya (Indonesia)
SIS	Special Inventory System
SIS	Special Isotope Separation/Separator
SIS	Serial Interface Server
SIS	Standardized Interface Specification
SIS	Single Image Software
SIS	Sensor & Instrumentation System
SIS	Scientific Information Services Limited (St. Augustine, Trinidad & Tobago)
SIS	Simulator Interface Subsystem
SIS	Switch Interface System
SIS	Surface Instrumentation Subsystem
SIS	Special Intelligence Study
SIS	Secondary Items Study
SIS	System Integrity Statement
SIS	Sensory Index Score
SIS	Server Infrastructure Strategy
SIS	Ship's Information System
SIS	Standard Inspection Sheet
SIS	Site Information Set
SIS	Shock Inertia Switch
SIS	Stow Infrastructure System
SIS	Status Interrupt Signal
SIS	Supervisory Investigative Specialist