| ATIS | A Tool Integration Standard 
| Others |
| ATIS | Adirondack Trail Improvement Society
| Others |
| ATIS | Advanced Technologies And Information Services
| Others |
| ATIS | Advanced Technology And Information Systems
| Others |
| ATIS | Advanced Thermal Ionic Sanitization
| Others |
| ATIS | Advanced Traveler Information System
| Others |
| ATIS | Advanced Traveler Information Systems
| Others |
| ATIS | Advanced Traveller Information System
| Others |
| ATIS | Adventure Thru Inner Space
| Others |
| ATIS | Adventures Thru Inner Space
| Others |
| ATIS | Air Travel Information Service
| Others |
| ATIS | Air Travel Information System
| Others |
| ATIS | Airport Terminal Information Service
| Others |
| ATIS | Alliance for Telecommunications Industry Solutions
| Others |
| ATIS | Allied Translator and Interpreter Section
| Others |
| ATIS | Aluminum Threaded Insert System
| Others |
| ATIS | Antique Tractor Internet Service
| Others |
| ATIS | Assessment Tools in Informal Science
| Others |
| ATIS | Association of Translators and Interpreters of Saskatchewan
| Others |
| ATIS | Association Tunisienne pour l'Informatique Scolaire
| Others |
| ATIS | Automated Telescope Instruction Set
| Others |
| ATIS | Automated Terminal Information Service
| Others |
| ATIS | Automated Terminal Information Services
| Others |
| ATIS | Automated Terminal Information System
| Others |
| ATIS | Automatic Taxi Instruction Service
| Others |
| ATIS | Automatic Terminal Information Service
| Others |
| ATIS | Automatic Terminal Information System
| Others |
| ATIS | Automatic Tire Inflation System
| Others |
| ATIS | Automatic Transmitter Identification System
| Others |
| ATIS | Automotive Test and Information System
| Others |
| ATIS | The Advanced Transportation Information System
| Others |