ACM

• A.C. Milan
• AECOM
• AGM-129 ACM
• Academy of Contemporary Music
• Academy of Country Music
• Adaptive coding and modulation
• Advanced case management
• Air chief marshal
• Air combat manoeuvring
• Air cycle machine
• Alkyl acrylate copolymer
• Allegany College of Maryland
• Alliance for Community Media
• Aluminium Composite Material
• American Ceylon Mission
• Anaconda Copper
• Anti-Coalition Militia
• Anti-cult movement
• Arica, Amazonas
• Asbestos
• Associated Colleges of the Midwest
• Association for College Management
• Association for Computing Machinery
• Association for Contemporary Music
• Asynchronous communication mechanism
• Audio Compression Manager
• Australasian Correctional Management
• Australian Community Media
• Australians for Constitutional Monarchy
• Automated charging machine
• Automobile Club de Monaco
• Barry Silesky
• Iraqi Arabic
• Lawyer referral service
• Timeline of Amazon Web Services
• USB communications device class