AAA - Automated Airline Assignment 
AADC - Automated Area Distribution Cen… 
AAFES - Army and Air Force Exchange Se… 
AAR - Advanced Address Recognizer 
ABA - American Banking Association 
ABC - Activity Based Costing 
ABC - Advanced Bar Code 
ABC - Audit Bureau of Circulations Inc… 
ABC Group - Automation and Bar Code Gr… 
ABE - Automated Barcode Evaluator 
ABMPS - Automated Business Mail Proces… 
AC - Actual Count 
ACA - after contract award 
ACA - Associate Contractor Agreement 
ACDCS - Air Contract Data Collection S… 
ACE - Advanced Computing Environment 
ACFS - Advanced Computerized Forwardin… 
ACH - Automated Clearing House 
ACL - Address Correction Letter 
ACS - Address Change Service 
ACSS - Air Contract Support System 
ACT - Air Contract Transportation 
ACT - Automation Compatible Tray 
ADAPT - Automatic Density Analysis Pro… 
ADC - Area Distribution Center 
ADEPT - Acquisition for Desktop Extend… 
ADJ - Adjustment 
ADNE - Address Does Not Exist 
ADP - Accountable Paper Depository 
ADP - Automated Data Processing