| AAIS | Academic Advising Inventory System 
| Others |
| AAIS | ACE ACCIS Implementation Strategy
| Others |
| AAIS | Ad Astra Information Systems
| Others |
| AAIS | Adolescent Alcohol Involvement Scale
| Others |
| AAIS | African Association of Insect Scientists
| Others |
| AAIS | Africana and American Indian Studies
| Others |
| AAIS | Air to Air Interface Support
| Others |
| AAIS | Al-Andalus International School
| Others |
| AAIS | Alabama Association of Independent Schools
| Others |
| AAIS | Albanian Australian Islamic Society
| Others |
| AAIS | All American Indoor Sports
| Others |
| AAIS | All American International Security
| Others |
| AAIS | Alto Artificial Intelligence Society
| Others |
| AAIS | American Academy of Independent Studies
| Others |
| AAIS | American Association for Italian Studies
| Others |
| AAIS | American Association of Insurance Services
| Others |
| AAIS | American Association of Italian Studies
| Others |
| AAIS | Anti-Aircraft Intelligence Service (World War II)
| Others |
| AAIS | Aquatic Alien Invasive Species
| Others |
| AAIS | Arab African International Securities
| Others |
| AAIS | Arboricultural Advisory And Information Service
| Others |
| AAIS | Arizona Accounting and Information Systems
| Others |
| AAIS | Arizona Association of Independent Schools
| Others |
| AAIS | Arthritis Auto Immune Support
| Others |
| AAIS | Assignment Activation And Inventory Services
| Others |
| AAIS | Association of Aerospace Industries Singapore
| Others |
| AAIS | Association of American Indian Services
| Others |
| AAIS | Atlas Accuracy International Spigot
| Others |
| AAIS | Auto Asia Intelligence Service
| Others |
| AAIS | Automated Acquisition Information System
| Others |