Accounting Systems International World Group - Consortium of resellers
AccuStaff, Inc. - NYSE symbol (SAG)
Acquisition Streamlining Initiative (IUSS)
Acromial Spur Index - Medicine (MELL)
Action Surveys, Inc. - Information service or system (IID)
Actuarial Strategies, Inc. - Commercial firm
Actuator Sensor Interface (ACII)
Adam Smith Institute (EA)
Adapter Support Interface - Computer science (VERA)
Adaptive Style Inventory (TMMY)
Addiction Severity Index - Medicine (MELL)
Additional Skill Identifier - Army
Additional Specialty Indicator - Army
Addressing Systems International (NITA)
Admiralty Supply Item
Adoption Search Institute - Inactive (EA)
Advanced Safety Interior - Automotive design
Advanced Sales Index - LIMRA
Advanced Sciences, Inc. - Office of Environmental Management, Department of Energy (DEEM)
Advanced Scientific Instruments - AMR, Inc.
Advanced Simulation Initiative (SAUS)
Advanced Studies Institute (SAUO)
Advanced Study Institute (SAUS)
Advanced Study Institute on Underwater Acoustics and Signal Processing (SAUO)
Advanced Study Institutes (NATG)
Advanced Systems Incorporated (SAUO)
Advance Sciences, Inc. (GAAI)
Advances Systems Institute (SAUO)
Adventist-Laymen's Services and Industries (EA)
Advertising Specialty Institute (WDMC)
Aeronautical Society of India (SAUO)
Aero-Space Institute (SAUO)
Aerospace Static Inverter
Aerospace Studies Institute - Air Force (MCD)
Aerospace Systems, Inc.
AeroSun International, Inc. - ICAO designator (FAAC)
Affordable Samples, Inc. - Commercial firm
African Scientific Institute (EA)
Africa Service Institute (SAUO)
Africa Service Institute of New York - Defunct
Agenzia Spaziale Italiana - Italy (EOSA)
Agri-Silviculture Institute (EA)
Aircraft Sampling Inspection (MCD)
Airport Systems International Inc. (SAUO)
Air-Sea Interaction (SAUS)
Air Sea International - British
Air Services of India Ltd. (SAUO)
Airsignal International (SAUS)
Air Society, International (EA)
Airspeed Indicator
Alaska Salmon Industry (SAUO)
Alaska Series Inflatable Boat, Anchorage, AK - Manufacturer code for watercraft hull identification number (USCG)
Allied Stone Industries (EA)
Alphabetic Subject Index - A publication
Alpha Scattering Instrument (ACAE)
Alternate Space Inversion
Althydusamband Islands - Icelandic Federation of Labor
Altimeter Setting Indicator - Aviation (FAAC)
Ambulance Service Institute - British (DBA)
Ambulatory Surgery Initiative - Health insurance
Amended Shipping Instruction - Military
Amended Shipping Instrument (MCD)
American Schools, Iran (ACAE)
American Scientific Institute
American Sheep Industry Association (NTPA)
American Sightseeing International (EA)
American Society of Indexers (EA)
American Society of Interpreters (EA)
American Society of Inventors (EA)
American Soybean Institute - Defunct (EA)
American Space Institute (ACAE)
American Specification Institute - Defunct
American Specifications Institute (SAUS)
American Sports Institute - Association (EA)
American Standards Institute (IAA)
American Statistics Index - Congressional Information Service, Inc. - Bibliographic database - A publication
American Statistics Institute (SAUO)
American Supplier Institute (EA)
American Swedish Institute (EA)
American Systems Incorporated (SAUO)
Amer Safety Ins Grp - NYSE symbol (SPSG)
Ammunition Supply Installation - Army
Amorphous Silicon Drum (SAUS)
Amount of Semantic Information (SAUS)
Amperes per Square Inch - Electrochemistry
Analytical Surveys Incorporated (SAUO)
Analytic Subject Index (SAUS)
Andrei Sakharov Institute - Later, FUWPH (EA)
Animal Service International (SAUO)
Annual Supply Inspection - Military (NVT)
Answer Search Interface (MCD)
Anteroseptal Infarct - Medicine (MELL)
Antisaturation Inverter
Anti-Slavery International - England (EAIO)
Anxiety Status Inventory - Medicine - Medicine (DMAA)
Apollo Standard Initiator - NASA
Application Software Incorporated (SAUO)
Application Specific Instruction (SAUS)
Application-Specific Interface - Computer science (GART)
Applied Specialties, Inc. - Commercial firm
Aquarius Systems International (SAUO)
Aqua Survey, Inc. - Commercial firm
Aquatic Systems, Inc. (EFIS)
Architects and Surveyors Institute (EAIO)
Arctic Survival Instructor - British military (DMA)
ARGO Systems, Inc., Sunnyvale, CA - OCLC symbol (OCLC)
Aril Society International (EA)
Arion Systems, Inc.
Armaments Standardization and Interoperability - NATO (NATG)
Armored Systems Integration - Army
Army School on Instructional Technology - British
Army Space Institute - Military technology (DDF)
Arnold Schoenberg Institute - University of Southern California - Research center (RCD)
Articulated Subject Index (NITA)
Art Sales Index - Database - United Kingdom (GDD)
Art Services International (SAUO)
A. Schulman, Inc. (EFIS)
Asian Statistical Institute
ASI Trailer - NCIC trailer make code
Assessment Systems, Inc.
Assign and Display Switch Initialization - Environmental science (COE)
Assist - Telegraphy (PCTE)
Association for Soldiers of Israel - Canada (EAIO)
Association of Industrial Scientists (SAUO)
Association of Privately Owned Seventh-Day Adventist Services and Industries (EA)
Association of Seafood Importers (EA)
Association Stomatologique Internationale - International Stomatological Association
Associative Surface Ionization - Organic chemistry
Astrex, Inc. - AMEX symbol (COMM)
Astronomical Society of India (SAUO)
Asynchronous SCSI Interface (SAUS)
Asynchronous Serial Interface - Telecommunications (NITA)
ATM- Asynchronous Transfer Mode Service Interface (TELEC)
Atmospheric Structure Instrument (ACAE)
ATV - All-Terrian Vehicle Safety Institute (EA)
Audience Studies, Inc. - Television program testing system
Audience Studies Incorporated (SAUO)
Augmented Spark Igniter - NASA
Augmented System Igniter (SAUS)
Augmented System Ignition - NASA (KSC)
Augustana Swedish Institute - Later, AHS
Australian Shipbuilding Industries (SAUO)
Australian Skeptics, Inc. - An association
Automated Security Holdings ADS - NYSE symbol (SPSG)
Automated Services, Inc. - Commercial firm
Automated System Initialisation (or Initialization) (SAUS)
Automatic Sampling Injector
Automatic Ship Identification
Automatic System Installation (VERA)
Aviation Safety Institute (EA)
Aviation Services Incorporated (SAUO)
Aviation Services International (SAUS)
Aviation Simulations International (SAUO)
Aviation Status Indicator (DNAB)
Avionics Specialist Incorporated (SAUO)
Axial Shape Index (NRCH)
Azimuthal Speed Indicator (SAUS)
Azimuth and Speed Indicator (SAUS)
Azimuth Speed Indicator
Buruwai - Language code (ETLW)
Faculty of Architects and Surveyors (SAUO)
Federation of Labor (Iceland) - Political party (PSAP)
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