ACEC
Advisory Committee on Electromagnetic Compatibility
AEC
Ars Electronica Center
AEC
Architectural and Engineering Construction
AECC
Association for Emissions Control by Catalyst
AECG
Advanced Embedded Codes Gateway
AAX
Automated Attendant eXchange
ADX
Automatic Data Exchange
ALEX
Advertising Link Exchange
ALEX
Automatic Labour Exchange
APEX
Advanced Packet Exchange