| Automated Meteorological Observing System | Academic & Science |
| A Mean Ol Spaniel | Academic & Science |
| Analysis of Moment Structures | Academic & Science |
| Atomic Molecular and Optical Sciences | Academic & Science |
| Airfield Management Operations Supervisor | Business |
| Association for Morbid Obesity Support | Community |
| Active Mediator Object System | Community |
| Amsterdam Modern Orthodox Synagogue | Community |
| A Mediator of Sorts | Community |
| Asheville Museum Of Science | Community |
| A Metropolitan Organizing Strategy | General |
| Advanced Mechanical And Optical Systems | General |
| Automated Manipulation Of Strings | General |
| Alpha Micro Operating System | General |
| Affordable Modular Optimized Satellite | General |
| Autonomous Marine Operations And Systems | General |
| Assets maintenance ordering system | General |
| Archive of Many Outdoor Scenes | General |
| Almansoori Mehran Oilfield Services | General |
| A Ministry of Sharing | Governmental |
| Add Me On Snapchat | Internet |
| Add Me On Snap | Internet |
| Automated Medication Ordering System | Medical |
| Affordable Medicine Options for Seniors | Medical |
| Additional Military Occupational Specialty | Military and Defence |
| Ammunition Outload System | Military and Defence |
| Advanced Research Projects Agency Long Range Tracking and Instrumentation Radar | Military and Defence |
| Agency Maui Optical Site | Military and Defence |
| Airspace Management Omnibus Study | Military and Defence |
| Air Mobility Operations Squadron | Military and Defence |
| Australian Meteorological and Oceanographic Society | Regional |
| African Mediterranean Orbital Satellite | Regional |
| Asset Management Operating System | Softwares |
| Amex (american Stock Exchange) Options Switching System | Stock Exchange |
