| Academy of Contemporary Music | Academic & Science |
| Architecture and Construction Management | Academic & Science |
| Allegany College of Maryland | Academic & Science |
| Activities for Current Month | Business |
| Agence Carte Mobile | Business |
| American Computing Machinery | Business |
| Accumulated Call Meter | Business |
| Association of Configuration Management | Business |
| Asbestos Contaminated Material | Business |
| Air Conditioning Motor | Business |
| All China Made | Business |
| Accumuli (de-listed) | Business |
| Astral Media, Inc. | Business |
| AWS Certificate Manager | Business |
| Adaptive Contrast Management | Business |
| Acquisition Career Manager | Business |
| Adams Capital Management | Business Management |
| Anormal Chemical Material | Chemistry |
| Astrocyte-conditioned Medium | Chemistry |
| Aluminium Composite Material | Chemistry |
| Academy of Country Music | Community |
| Anti Cult Movement | Community |
| Alliance for Community Media | Community |
| Arthur C. Mills | Community |
| Antonio Carlos Magalhaes | Community |
| Allentown Cookout Meet | Community |
| Amputee Center of Maryland | Community |
| Acdemy of Contemporary Music | Community |
| Association of Computing Machinery | Community |
| Association for Computing Machinery—hence | Community |
| American Country Music | Community |
| Access Contemporary Music | Community |
| Association for Computer Machinery | Community |
| Address Complete Message | Computer and Networking |
| Audio Codec (coder-decoder) Module | Computer Hardware |
| Advanced Computer Modeling | Computing |
| Application Character Map | Computing |
| Association for computing machinary | Computing |
| Association of Computing Machines | Computing |
| Access Control Manager | Computing |
| Access Complete Message | Computing |
| Advanced Compression Module | Computing |
| Access Control Machine | Computing |
| Audio Codec Mapper | Computing |
| Automatic Constraint Mapping | Computing |
| Advanced Call Manager | Computing |
| Audio Compression Module | Computing |
| Access Mode | Computing |
| Access Control Monitor | Computing |
| Address Control Machine | Computing |
| Active Carrier Management | Computing |
| Aironet Client Manager | Computing |
| Airlink Connection Manager | Computing |
| Active Content Monitoring | Computing |
| Advanced Cluster Management | Computing |
| Azure Cluster Management | Computing |
| Amazon Certificate Manager | Computing |
| AC Milan Fan Token | Cryptocurrency |
| Agglomeration Coarse Matrix | Database Management |
| Autonomous Crack Monitoring | Earth Science |
| Associated Colleges of The Midwest | Educational Institute |
| Audio Compression Manager | Electronics |
| Aluminum Conductor Material | Electronics |
| Absolute Characteristic Maxima | Electronics |
| Graphics File (acmb Format) | File Type |
| Audio Compression Module Add-on (windows) | File Type |
| Poly(Acrylic Acid Ester Rubber) | General |
| American Commie Moron | General |
| Aluminum Composite Material | General |
| Asbestos Containing Material | General |
| Aligning Collating Multipackaging | General |
| Air cycle machine | General |
| Accumulator Charging Manifold | General |
| Austrian Capital Managment | General |
| Automobile Catalog of Models | General |
| Aircraft Cabin Modification | General |
| Alternating Current Motor | General |
| Aluminum Composed Material | General |
| Agent Collected Metrics | General |
| Access Control Module | General |
| American Construction Metals | General |
| Air Combat Maneuvering | General |
| Authorisation Control Module | General |
| Actual Cubic Meters | General |
| Air Combat Manoeuvres | General |
| Audio Compressor Manager | General |
| Anderaa Current Meter | General |
| Adaptive City Mobility | General |
| Aro Ciemme Motors | General |
| Audio Control Module | General |
| Air Conditioning Module | General |
| America's Car Museum | General |
| Active Cylinder Management | General |
| Air Conditioning Manual | General |
| Aro Campulung Muscel | General |
| Automobil Club Moldova | General |
| Automotive Cluster of Macedonia | General |
| Alfa Club Milano | General |
| Advanced Concept Modelling | General |
| Automobile Club of Michigan | General |
| Audio Connectivity Module | General |
| Aftertreatment Control Module | General |
| Auto Control Meter | General |
| Abarth Coppa Mille | General |
| Automobile Club di Milano | General |
| Abarth Club Marbella | General |
| Art Car Museum | General |
| Alpine Club Mediterranee | General |
| Automobile Club du Midi | General |
| Automobile Club Millassois | General |
| Automovil Club Mirandes | General |
| Automovil Club de Mexico | General |
| Automovil Club Mendoza | General |
| Automotive Connected Mobility | General |
| Autocar Constructor Medium | General |
| Automotive Camera Module | General |
| Auto Center Manager | General |
| Automobile Club de Menton | General |
| Association of Car Manufacturers | General |
| Auto Car Medium | General |
| All Car Manuals | General |
| Automotive Corporation Malaysia | General |
| Aviation Control Measure | Governmental |
| Advanced Campaign Mode | Governmental |
| Aviation Chief Metalsmith | Governmental |
| Air Chief Marshal | Governmental |
| Afghanistan Campaign Medal | Governmental |
| Association for Computing Machinery | Information Technology |
| Audio Codec Manager | Jobs |
| Alternative Calculation Method | Maths |
| Abnormal Chemical Material | Medical |
| acetaminophen (US for paracetamol) | Medical |
| Acute Cerebrospinal Meningitis | Medical |
| Adriamycin, Cyclophosphamide, Methotrexate | Medical |
| alcoholic cardiomyopathy | Medical |
| Alveolar Capillary Membrane | Medical |
| Arnold Chiari malformation | Medical |
| Assessment and Care Management | Medical |
| Additional Crew Member | Military and Defence |
| Asbestos Containing Materials | Military and Defence |
| Airspace Control Measures | Military and Defence |
| Air Combat Maneuvers | Military and Defence |
| Aerial Combat Maneuvers | Military and Defence |
| Active Component Military | Military and Defence |
| Advanced Conventional Munitions | Military and Defence |
| Advanced Cruise Missile | Military and Defence |
| Air Combat Maneuver | Military and Defence |
| Air Contingency Magtf (marine Air-ground Task Force) | Military and Defence |
| Airspace Coordinating Measure | Military and Defence |
| Asynchronous Communication Method | Networking |
| Abstract Control Model | Networking |
| American Conservatory of Music | News & Entertainment |
| Adiabatic Connection Model | Physics Related |
| Asian Civilisations Museum | Regional |
| Application Compatibility Module | Softwares |
| Alternate Control Module | Softwares |
| Airimba Connection Manager | Softwares |
| Agency Credit Memo | Transport & Travel |
