sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| American Temperament Testing Society | *** |
| Arabic Text to Speech | *** |
| Associazione Toscana Treni Storici | *** |
| American Temperment Test Society | *** |
| Ambient Temperature Transport System | ** |
| asymptotic temporary threshold shift | ** |
| Al Taif Technical Services | ** |
| Automotive Technician Training Services | ** |
| Automotive Technician Training Standards | ** |
| Association of Taxation Technicians | ** |
| Automatic Tape Time Select | ** |
| Associazione Tecnica Termo Sanitaria | ** |
| Alexander Teacher Training School | * |
| Africa Theological Training Service | * |
| ADVANCED TRANSPORTATION TECHNOLOGY STAKEHOLDERS | * |
| Automatic Tank Target System | * |
| Authorization Tracking & Tickler System | * |
| Advanced Technology Training System | * |
| Aerial Target Test Set | * |
| Airplane Two The Sequel | * |
| Automan Theme Theme Song | * |