Definitions

Acronym

• International Food Standard
• Institute for Fiscal Studies
• Internal Family Systems (psychotherapy)
• Integrated File System
• International Financial Statistics (International Monetary Fund)
• Industrial and Financial Systems
• Iterated Function System
• Indoor Football Scandinavia (futsal federation)
• Institut Fuer Sozialforschung (German: Institute For Social Research)
• Internal Firm Services (Price Waterhouse Coopers)
• International Foundation for Science
• Internet File System (Oracle)
• International Financial Systems (various organizations)
• Insurance Financial Strength (rating)
• Installable File System
• Institute for Families in Society (University of South Carolina)
• International Figure Skating (magazine)
• Islamic Financial Services (various locations)
• Instrument for Stability (EU)
• International Forensic Sciences (India)
• Institute of Fluid Science (Tohoku University; Japan)
• Internal Field Separator
• Independent Front Suspension
• Ip-Tables Firewall Script
• Internet File System
• Integrated Forecast System
• Interchange File Separator
• Inter Frame Spacing
• Institute of Financial Services (various locations)
• IOS File System (Cisco Systems Inc.)
• Indian Forest Service
• Islamic Foundation School (Villa Park, Illinois)
• Institut für Schulentwicklungsforschung (University Dortmund, Germany)
• Indian Foreign Service
• Industry Fund Services (Industry Super Holdings)
• I Feel Sick
• Input Field Separator
• I Feel Stupid
• Integrated Financial System
• International Federation of Settlements and Neighbourhood Centres
• Institute of Fundamental Sciences (various locations)
• Itochu Fashion System Co., Ltd. (Japan)
• Infiniti Financial Services
• Interframe Spacing (data link layer)
• Integrated Forecasting System
• Infant Feeding Survey
• I-Flex Solutions (various organizations)
• International Friendship Society
• Independent Film Society (various locations)
• Ideal Financial Solutions (debt relief)
• Intense Forensic Services (India)
• Institutional Fund Services (various organizations)
• Integrated Facilities System
• International Freephone Service
• Industry Focused Solutions (software)
• Interinstitutional Faculty Senate (various schools)
• In-Flight Safety
• Inshore Fire Support
• International Fleet Sales (various locations)
• Introductory Flight Screening (US Navy)
• International Federation of Surveyors
• International Fertiliser Society (York, UK)
• Inland Fuel Surcharge (shipping)
• Institut for Sprog (Danish: Language Department)
• Interface File System (distributed shared memory)
• Infection-Free Survival
• Intelligent Fax System
• International Financial Support
• Ionospheric Forward Scatter (ITS)
• Inoue Foundation for Science (Japan)
• Indian Foreign Services
• Institut für Schulungsmaßnahmen (Dortmund, Germany)
• Inter.Funda.Stifle (Fair to Midland album)
• Intelligence Fusion Systems
• International Flagship Service
• Interferential Stimulation
• Invasive Fungal Sinusitis
• Informatics and Security (degree program; Seneca College School of Computer Studies; Canada)
• Integrated Flight Simulation
• Interactive Forest Simulator
• International Fauna Society
• Image File Server
• Interpretive Frame System (AT&T)
• Institut Français de Sofia (French: French Institute of Sofia; Sofia, Bulgaria)
• Integrated Financial Management Systems
• Iranian Foundrymen's Society
• Insurance Fraud Section
• Intel Financial Services
• Integrated Fluid Servicer
• Immediate Foreclosure Solutions (Rialto, CA)
• Installation Facility System
• Interstate Freight Systems (Ontario, Canada)
• Integrated Foundation Structure
• Information and Federation Strategy (US DoD)
• Integrated Flow Solutions, Inc.

noun

• Something that is not certain : something that could either happen or not happen