What does IAS stand for?

Iasi - Romania - Airport symbol (OAG)

Iasi - Romania - Seismograph station code, US Geological Survey (SEIS)

Ideal Adsorbed Solution - Physical chemistry

Identification, Authentification et Signature - Identification, Authentication and Signature

Idiopathic Ankylosing Spondylitis - Medicine (MELL)

IEEE Industry Applications Society (EA)

Illinois Audubon Society (EARSL)

Illness Adaptation Scale (EDAC)

Image Analysis System (SAUO)

Image Assessment System - Landsat-7 Ground Segment (GIS)

Immediate Access Storage (AFM)

Immediate Access Store (SAUS)

Immediate Air Support (SAUS)

Immunisation Awareness Society (SAUO)

Immunosuppressive Acidic Substance - Biochemistry (DB)

Impact Assessment Sheet (NASA)

Impact Assessment Study

Impact Auto Sales - NCIC boat manufacturer code (NCIC)

Impact Auto Sales, Red Oak, TX - Manufacturer code for watercraft hull identification number (USCG)

Improved Armour System (SAUS)

Incineration at Sea Site Monitoring and Permits File (SAUS)

Incorporated Association of Architects and Surveyors (SAUO)

Incorporated Association of Surveyors (SAUO)

Independent Associated Spiritualists (SAUO)

Index Amortizing Swap

India-America Society

Indiana Academy of Science (SAUO)

Indian Administrative Service - British

Indian Astronautical Society

Indicated Air Speed

Individual Article Supply (TELE)

Industrial Applications Society (SAUS)

Industrial (or Industry) Applications Society (SAUO)

Industry Applications Society (SAUS)

Industry Applications Specialist (TIMI)

Inelastic Atom Scattering (PDAA)

Infant Appnea Syndrome - Medicine (MELL)

Infantile Arteriosclerosis - Medicine (MELL)

Information Access Service (SAUO)

Information Acquisition System (MCD)

Information Adaptive System (SAUS)

Information Adoptive System (ACAE)

Information and Advisory Services (HEAS)

Infrared Absorbed Spectroscopy (SAUS)

Initial Assessment Study (BCP)

Inlet Air Solenoid - Automotive engineering

Inlet Air System - Automotive engineering

Insert a Segment - Travel industry (TVEL)

Inspector of Army Schools - British military (DMA)

Institute for Advanced Studies - Army

Institute for Advanced Study (SAUS)

Institute for Aerospace Studies (SAUS)

Institute for Airspace Science (SAUS)

Institute for American Strategy - Later, ASCF

Institute for Atmospheric Sciences - South Dakota School of Mines - Research center - Environmental Science Services Administration

Institute for/of Advanced Studies (or Study) (SAUO)

Institute for the Advancement of Sailing - Commercial firm (EA)

Institute of Accounting Staff (SAUO)

Institute of Advanced Studies - Australian National University

Institute of Advanced Study (SAUS)

Institute of Aerospace - formerly, Aeronautical Sciences - Later, AIAA

Institute of Agricultural Sciences (SAUO)

Institute of Alcohol Studies - British (DBA)

Institute of American Strategy (SAUS)

Institute of American Studies (SAUO)

Institute of Andean Studies (EA)

Institute of Animal Sciences (ASF)

Institute of Applied Physics - Russia

Institute of Asian Studies (EA)

Institute of Aviation Studies - University of Newcastle - Australia

Institute of the Aerospace Sciences (SAUS)

Instructor Aid System (MCD)

Instrument Air System - Nuclear energy (NRCH)

Instrument Approach System

Instrumentation Acquisition System (ACAE)

Insulin Autoimmune Syndrome - Medicine (MELL)

Integrated Acoustic Sensor (SAUS)

Integrated Aerial System (SAUS)

Integrated Air Surveillance (ACAE)

Integrated Analytical System (IAA)

Integrated Antenna System (SAUS)

Integrated Assessment System - Test (TMMY)

Integrated AUTODIN - Automatic Digital Information Network System - DoD

Integrated Automation Systems

Integrated AUTOVON System (SAUS)

Integrated Avionics Sub-System (SAUS)

Integrated Avionics System (MCD)

Intelligence Analysis Squadron

Intelligence Analyst Station (SAUS)

Intelligent Analyst System (ACAE)

Intelligent Array Subsystem Core

Intelligent Authoring Systems (EDAC)

Intelligent Autonomous Systems Engineering Laboratory - University of the West of England, Bristol - United Kingdom (RCD)

Intellisoft Accounting Series - Computer science

Interactive Analysis System - Computer science

Interactive Applications Supervisor

Interactive Application System (IAA)

Interagency Archaeological Services

Inter-American System

Interatrial Septum - Cardiology (MAE)

Interatrial Shunting - Medicine (DMAA)

Interdisciplinary American Studies

Interest Assessment Scales

Interface Applications Software (SAUS)

Interface d'Authentification Serveur - Interface Authentication Server

Intermediate Access Store (SAUS)

Intermediate Address Space

Internal Alignment Sensor (MCD)

Internationa1 Association of Siderographists (SAUO)

International Academy of Sciences (EAIO)

International Accountants Society

International Accounting Standards

International Adhesions Society - Association (EA)

International AIDS Society (EAIO)

International Aircraft Standards (SAUO)

International Air Service Co. - ICAO designator (FAAC)

International Applied Systems (NITA)

International Army Staff (MCD)

International Aroid Society (EA)

International Arthurian Society (SAUO)

International Asclepiad Society - United Kingdom (EAIO)

International Association of Sedimentologists - Liege, Belgium (EA)

International Association of Sedimentology (SAUO)

International Association of Seismology (SAUS)

International Association of Siderographers (EA)

International Atherosclerosis Society (EA)

International Audiovisual Society (EA)

International Auditing Standards (SAUS)

International Automobile Salon (SAUO)

International Aviation Service - FAA

International Aviation Services - Belgium

International Aviculturists Society - Association (EA)

Internet Access Server (SAUS)

Internet Authentication Service - Component of Windows Server operating systems (XSAL)

Interpretive Analytical Service (SAUO)

Intra-American Seas (SAUS)

Intra-Amniotic Saline - Infusion - Medicine

Intra-Articular Steroid - Physiology

Intrument Approach System (SAUS)

Intrusion Alarm System

Invariant-Azimuth States (PDAA)

Inventory of American Sculpture

Investors Arbitration Service (SAUS)

Inzhnerno-Aviatsionnaia Sluzhba (SAUS)

Iowa Academy of Science (SAUO)

Irish Airmail Society - United Kingdom (EAIO)

Irish Archaeological Society (SAUO)

Irish Archeological Society (SAUS)

Irish Aviation Services (SAUO)

Islamic Academy of Sciences - Research center (RCD)

Isobaric Analog State

Isolated Aerial (or Antenna) System (SAUS)

Israeli Air Services (MCD)

Los Angeles, CA - Location identifier - FAA (FAAL)

Sangamon State University, Springfield, IL - OCLC symbol (OCLC)