What does ISS stand for?

Ideal Solidus Structures (IEEE)

Idiopathic Short Stature - Medicine (DMAA)

Idling Stop System - Automotive electronics

Ignition Shielding (SAUS)

Ignition Shielding System

Ilon Scattering Spectroscopy (SAUS)

Image Sensor System

Image Sharpness Scale - Photography (OA)

Image Store System (SAUS)

Imaging Science Subsystem

Immune System Suspected (SAUS)

Impact Surface Science (ACAE)

Imperfect Single Stamp - Philately

Imperial Service Sappers - British military (DMA)

Imperial Star Ship - Ship of the Terran Empire of the Mirror Universe - Star Trek (STREK)

Independent Schools Section - American Association of School Libraries - American Library Association

Independent Sweep System

Index of Specifications and Standards (MCD)

Index Sequential Storage (SAUS)

Indiana Slavic Studies - A publication (SAUS)

Indirect Sighting System (ACAE)

Indirect Sub-System (SAUS)

Individual Studies School (SAUO)

Individual Style Survey - Test (TMMY)

Inductive Storage Switch

Industrial Security Section - NATO (NATG)

Industrial Systems Service (EFIS)

Industry Sole Source (AFIT)

Industry Standard Specifications (AAG)

Inertial Sensor System (KSC)

Inertial Subsystem (MCD)

Inertial Survey System (SAUS)

Inferior Sagittal Sinus - Medicine (MELL)

Information & Scientific Systems (SAUO)

Information Sampling System (SAUS)

Information Search Services (SAUS)

Information Security Specialist (SAUO)

Information Sending Station (SAUS)

Information Service Specialist (SAUO)

Information Services Seminar (SAUS)

Information Sharing System (NITA)

Information Storage System (IEEE)

Information Support Services (SAUO)

Information Support System - Nondestructive Testing Information Analysis Center - NTIAC - Southwest Research Institute - Information service or system (CRD)

Information System Services (SAUS)

Information Systems Section - Battelle Memorial Institute - Information service or system (IID)

Information Systems Security

Information Systems Services - Brigham Young University - Research center (RCD)

Information Systems Specialists (SAUO)

Information Systems Specialists Office - Library of Congress (NITA)

Information Systems Squadron (SAUO)

Information Systems Staff (SAUO)

Information Systems Subdivision (MCD)

Information Systems Support, Inc. - Commercial firm

Infrared Sensor System

Infrared Surveillance Sensor (ACAE)

Infrared Surveillance Set

Inherent Shutdown System (SAUS)

Inhibit/Override Summary Snapshot Display (NASA)

Initial Selection Sequence (SAUS)

Initial Send Sequence

Initial Space Station (KSC)

Initial System Sale

Injury Severity Score - Auto safety research

Input Shaft Speed - Automotive term (HAWK)

Input Subsystem

In-School Suspension (SAUO)

In-Service Support (SAUS)

Inside Skin (MCD)

Inside Surface (MCD)

In Situ Sampling (ABAC)

Inspection Surveillance Sheet (SAUS)

Installation Site Survey (MCD)

Installation Support School - Army

Installation Support Services (NASA)

Instant Start System - Automotive diesel engines

Institute for Security Studies - Research center (RCD)

Institute for Socioeconomic Studies (EA)

Institute for Southern Studies (EA)

Institute for Space Studies - NASA

Institute for Strategic Studies - Research center (RCD)

Institute for Strategic Studies - Later, IISS - Obsolete

Institute of Salesian Studies

Institute of Social Studies - Netherlands

Institute of Somatic Sciences

Institute of Space Studies (SAUS)

Institute of Special Studies - Army

Institute of Sports Sponsorship - British (DBA)

Institute of Systems Science - Singapore (DDC)

Institutional Shareholder Services

Institutional Staff Services (SAUO)

Instruction Summary Sheet (NASA)

In-Structure Shock - Army

Instrumentation Support Service

Instrument Servo System

Instrument Society of Sweden (SAUO)

Instrument Summary Sheet (SAUS)

Integrated Safety System - Automotive safety

Integrated Satellite System

Integrated Sealift Study - Army (AABC)

Integrated Security System - Police and security equipment

Integrated Separation Systems - Electrophoresis

Integrated Sounding System - Marine science

Integrated Source Sensor (ACAE)

Integrated Start System (AAG)

Integrated Storage System (NITA)

Integrated Structural Seat - Automotive engineering

Integrated Support Stand (SAUS)

Integrated Support System (SAUS)

Integrated Switching System (SAUS)

Integrated Switch Stick (IAA)

Integrated System Schematic (NASA)

Integrated Systems Support - Military technology (DDF)

Integrated WWW System Study (SAUS)

Integration Support Service

Intelligence Sensor System (SAUS)

Intelligence Support Staff (SAUO)

Intelligence Support System

Intelligence System Simulation (SAUO)

Intelligent Software Solutions, Inc. - Commercial firm

Intelligent Support System

Intelligent Support Systems (SAUO)

Interactive Selling System (GART)

Interactive Survivability Simulation - Military technology (DDF)

Intercept Surveillance Station (ACAE)

INTERCO, Inc. - Formerly, International Shoe Co. - NYSE symbol (SPSG)

Intercommunication Service System Inc. - Information service or system (IID)

Interdivisional Systems Standard (SAUS)

Interface Shipset (SAUS)

Interface Signal Simulator (SAA)

Interface Simulation System (CAAL)

Interface Supply Support (SAA)

Interim Standard Set

Interim Status Standards (GNE)

Interim Stowage Shelf (KSC)

Interline Settlement System

Intermediate Secondary Section (SAUS)

Intermediate Service School - Military (AFM)

Internal Special Systems

Internal Switching System

Internationale Gesellschaft fuer Stereologie - International Society for Stereology (EAIO)

International Savant Society (EA)

International School of Sailing

International School Service (SAUS)

International Schools Services (EA)

International Scientific Series - A publication

International Scotist Society - See also SIS - Rome, Italy (EAIO)

International Seaweed Association (EAIO)

International Seaweed Symposium - Trondheim, Norway (MSC)

International Security Services Ltd. (SAUO)

International Seismological Summary (SAUO)

International Self-Service Organization - Cologne, Federal Republic of Germany (EAIO)

International Service System A/S (SAUO)

International Shoe Company (SAUO)

International Sinatra Society (EA)

International Skeletal Society (EA)

International Social Service - See also SSI - Geneva, Switzerland (EAIO)

International Society for Stereology (EA)

International Society of Shropshires (EA)

International Society of Social Defence (SAUO)

International Society of Surgery (DAVI)

International Softbill Society (EA)

International Space Station

International Staging System - Medicine (MELL)

International Steamboat Society (EA)

International Student Service (SAUO)

International Students Society - Defunct (EA)

International Summer School (SAUS)

International Sunshine Society (EA)

Internet Security Scanner

Internet Security Systems (GART)

Internet Sharing Software (CAL)

Interrupt Safety System (SAUS)

Interrupt Service Subroutine (CMD)

Interservice Supply Support - Military (AABC)

Interstage Section Shell

Interstellar Scattering - of radio waves in the galaxy

Interstellar - Phase Scintillation - Galactic science

Intra-List Stimulus Similarity (PDAA)

Inventory Service System (AFIT)

Inventory Status System (ACAE)

Involuntary Servitude and Slavery

Ionespheric Sounding Satellite (SAUS)

Ionosphere Sounding Satellite (SAUS)

Ionospheric Sounding Satellite - Japan

Ion-Scattering Spectrometer - or Spectrometry

Ion Scattering Spectrometry (SAUS)

Ion Scattering Spectroscope (SAUS)

Ion Scattering Spectroscopy (SAUS)

Ion-Scattering Spectroscopy (EDCT)

Ion-Scattering Spectrum (SAUS)

Ion Silicon System (IAA)

Ion Source Spectrometer (SAUS)

Ion Source Spectrometry (SAUS)

Ion Spectroscopy Scattering - Surface analysis

Ion Surface Scattering (DB)

Iraqi Intelligence Service

Iris Spinning Stage (SAUS)

Iron and Steel Society - of AIME (EA)

Irritable Stomach Syndrome - Medicine (MELL)

Islands - Postal Service standard (OPSA)

Isotope Separation System (SAUS)

Isotopic Separation Subsystem

Israeli Secret Service (SAUO)

ISS-International Service System, Inc. (SAUO)

Issue (AABC)

Issued (SAUS)

Issy-Les Moulineaux Airport - France

Meridiana SpA - Italy - ICAO designator (FAAC)

Sangamon State University, Springfield, IL - Library symbol - Library of Congress (LCLS)

Smith's Landing Inc., Tower, MN - Manufacturer code for watercraft hull identification number (USCG)

St. Meinrad College, St. Meinrad, IN - OCLC symbol (OCLC)

Wiscasset, ME - Location identifier - FAA (FAAL)

YMCA International Program Services (EA)

YMCA - Young Men's Christian Association International Student Service (EA)

Inertial Subsystem (NAKS)

Inhibit/Override Summary Snapshot (NAKS)

Installation Support Services (NAKS)

Instruction Summary Sheet (NAKS)

Integrated System Schematic (NAKS)