ACORD
Automotive Consortium on Recycling and Disposal
AFNOR
Association Française de Normalisation
AFNOR
Association Franc{c}aise de Normalisation
AMTOR
Amateur Microcomputer Teleprinting Over Radio
AOR
Atlantic Ocean Region
AARNET
Australian Academic Research NETwork
AARU
Audi Accident Research Unit
ACARB
Australian Computer Abuse Research Bureau
ACROSS
Automated Cargo Release and Operations Service System
ARPA
Advanced Research Projects Agency, USA