| AAMS | ABN AMRO Merchant Services 
| Others |
| AAMS | Academy of Alameda Middle School
| Others |
| AAMS | Academy of Applied Myofunctional Sciences
| Others |
| AAMS | Accredited Asset Management Specialist
| Others |
| AAMS | Accredited Asset Management Specialist (US)
| Others |
| AAMS | Accurate Appraisal Management Services
| Others |
| AAMS | Active Air Management System
| Others |
| AAMS | Advanced Agricultural Measurement Systems
| Others |
| AAMS | Advanced Association Management Services
| Others |
| AAMS | Advances and Applications in Mathematical Sciences
| Others |
| AAMS | Agency Asset Management System
| Others |
| AAMS | Air Automated Manifest System
| Others |
| AAMS | Air-to-Air Missile System
| Others |
| AAMS | Airport Airside Management System
| Others |
| AAMS | American Accordion Musicological Society
| Others |
| AAMS | American Air Mail Society
| Others |
| AAMS | AMSARTS Arbitration and Mediation Services
| Others |
| AAMS | Anytime Anywhere Messaging Service
| Others |
| AAMS | Asian American Music Society
| Others |
| AAMS | Assessment Accreditation Management System
| Others |
| AAMS | Assessment and Accreditation Management System
| Others |
| AAMS | Association of Air Medical Services
| Others |
| AAMS | Association of Air Medical Services (US)
| Others |
| AAMS | Auto Audio Mastering System
| Others |
| AAMS | Automated Accounts Management Services
| Others |
| AAMS | Automated Acquisition Management System
| Others |
| AAMS | Automotive Apprenticeship Matching Service
| Others |