What does ABCS stand for?

Abacus

Abel Bibliographic Control System (SAUS)

Abscess (ABBR)

Advanced Beam Control System (SAUS)

Advanced Brake Control System (MCD)

Advanced Business Communications via Satellite (SAUS)

Advisory Board for Cooperative Systems - of ICIREPAT

Advisory Board on Chaplaincy Services (SAUO)

Advisory Board on Counseling Services (SAUO)

Airborne Beam Control System (ACAE)

American Bicentennial Commemorative Society - Defunct

American Board of Cosmetic Surgery (EA)

American Board on Counseling Services - Later, IACS (EA)

American British Cab Society (EA)

American Business Council of Singapore (EA)

Animal Behavior Counseling Services, Inc. - Commercial firm

Army Battle Command System

Army Battle Command Systems - Army

Army Battlefield Command System - Military technology (DDF)

Associated Body of Church Schoolmasters - A union - British

Automated Budget Compilation System - Military (MLEX)

Automatic Base Communication Systems (PDAA)

Automatic Blip Counter System

Automatic Broadcast Control System (SAUS)

Automatic Broadcasting Control System - Japan

Aviation Boatswain's Mate, Senior Chief - Navy rating

Avionics Bay Cooling System

Bear Canyon School, Alberta - Library symbol - National Library of Canada (BIB)

Cairns - Australia - ICAO location identifier (ICLI)