Aboriginal and Torres Strait Islander Commission Regional Information Syste
Academic Research Information System, Inc. (SAUS)
Acid Rain Information System (SAUS)
Acoustic Resonance Inspection System - Manufacturing
Activity Reporting Information System (PDAA)
Administrative Records Information System (SAUS)
Adult Basic Education Resource and Information Service - Australia
Advanced Range Instrumentation Ship - Navy symbol
Advanced Range Instrumentation Systems (MCD)
Advanced Reagent Injection System - Automotive emissions
Advanced Research Instrument System (SAUS)
Advanced Research Instrument System, Inc.
Aerial RADIAC Instrument System
Aerial Radio Instrument System (SAUS)
Aeronautical Research Institute of Sweden (MCD)
Agrarian Research and Intelligence Service (SAUO)
Agricultural Information System (NITA)
Airborne Range Instrumentation Station
Airborne Research Instrumentation System (SAUS)
Aircraft Recording Instrumentation System - British
Aircraft Research Instrumentation System
Alabama Resources Information System - Auburn University - Information service or system (IID)
Alcohol Research Information Service (EA)
Altitude and Rate-Indicating System (DNAB)
American Religious Identification Survey
Anti-Resonance Isolation System (SAUS)
Apoenzyme Reactivation Immunoassay System - Clinical chemistry
Architecture of Integrated Information Systems (SAUS)
A Relational Information System (SAUS)
ARI Network Services - NASDAQ symbol (SPSG)
Aristocrat (trucks) - NCIC truck make code
Arizona Resources Information System (GEOI)
Association Referral Information Service
Atlantic Range Instrumentation Ship
Atomic Reactor in Space (MUGU)
Attitude and Rate Indicating System
Audichron Recorded Information System (SAUS)
Audio Response Interface System (PDAA)
Automated Radio Intelligence System - Police and security equipment
Automated Reactor Inspection System - Nuclear energy (NRCH)
Automated Real-Time Imaging System
Automatic Recording Infrared Spectrometer
Auto-Regulated Inspiratory Support - Medicine (DMAA)