| TAIS | Tactical Airspace Integration System 
| Others |
| TAIS | Taiwan Adventist International School
| Others |
| TAIS | Tennessee Association of Independent Schools
| Others |
| TAIS | Terminal Automation Information Service
| Others |
| TAIS | Texas Accountability Intervention System
| Others |
| TAIS | Texas Apiary Inspection Service
| Others |
| TAIS | The Attentional And Interpersonal Style
| Others |
| TAIS | The Attentional Interpersonal Style
| Others |
| TAIS | Threat Analysis Information System
| Others |
| TAIS | Toshiba America Information Systems
| Others |
| TAIS | Tourism Amenity Investment Support
| Others |
| TAIS | Transportation Automated Information Systems
| Others |