What does ISF stand for?

Alpha Park Public Library District, Pekin, IL - OCLC symbol (OCLC)

Identification Sequence Field (SAUS)

Imagination Science Fiction - A publication (SAUS)

Imperial Smelting Furnace - Zinc and lead

Improved Support Facility (SAUO)

Incremental Stretch Forming

Indian States Force - British military (DMA)

Indian States Forces (SAUS)

Individual Store and Forward

Industrial Space Facility - Space Industries, Inc.

Infant Soy Formula

Information Security Foundation

Information Systems Factory (NITA)

Information Systems Flight - Military

Infrasonic Frequency

Infrastructure Support Facilities (SAUO)

Institute for Studies in Finance - University of Essex - United Kingdom (RCD)

Instrument Standards Foundation (ACII)

Insurance, Surety, and Fidelity (MHDB)

Insured Savings Fund (SAUS)

Integrated Subject File

Integrated Support Facility (DWSG)

Intelligence Support Facility (SAUO)

Interdistrict Settlement Fund - Banking

Interim Security Facility (SAUO)

Interim Storage Facility - Office of Environmental Management, Department of Energy (DEEM)

Intermediate Scale Facilities (SAUO)

Intermediate-Scale Facilities (or Facility) (SAUS)

Intermediate Scale Facility - Department of Energy

Intermediate Scale File (SAUS)

Intermediate Support Facility (SAUS)

Internationale Schulsport Foderation - International School Sport Federation (EAIO)

International Sailsurfing Federation (SAUO)

International Schools Foundation (SAUO)

International School Sport Federation (EAIO)

International Science Fair (SAUO)

International Science Foundation (EA)

International Scleroderma Federation - Later, SF (EA)

International Sensitivity Forum (SAUO)

International Shipping Federation - British (EAIO)

International Ski Federation

International Snowshoe Federation (EA)

International Socialist Forum (SAUO)

International Society for/of Fat Research (SAUO)

International Society of Financiers (EA)

International Softball Federation (EA)

International Solidarity Fund (SAUO)

International Spiritualist Federation - British

International Sporting Federations (SAUO)

International Spring Fair - British (ITD)

International Students Federation (SAUO)

International Surfing Foundation (SAUO)

International Surfskiing Federation (SAUO)

International Surfthion Federation (SAUO)

International Symposium on Forecasting (SAUO)

Interrecord Sequence Field (SAUS)

Intersection of the Shifted Fringes (SAUS)

Intersection of the Shift Fringes (PDAA)

Interstitial Fluid - Physiology

Investment Support Facility (SAUO)

Ionizer, Slab Fabrication

Iraqi Security Forces - Government

Isfjord - Norway - Seismograph station code, US Geological Survey - Closed (SEIS)

Islamorada Sportfishing Boats, Seneca Falls, NY - Manufacturer code for watercraft hull identification number (USCG)

Isotope Separation Factor (MCD)

Isotope Seperation Factor (SAUS)