| ITAS | I'm Taking A Sh*t 
| Others |
| ITAS | Imminent Tornado Alerting Service
| Others |
| ITAS | Implementation Tracking and Accounting System
| Others |
| ITAS | Improved Target Acquisition System
| Others |
| ITAS | Indigenous Tutorial Assistance Scheme
| Others |
| ITAS | Information Technology Applications Specialist
| Others |
| ITAS | Information Technology Approval System
| Others |
| ITAS | Ingham Township Agricultural Schools
| Others |
| ITAS | Innovative Thinking And Strategies
| Others |
| ITAS | Inspection Testing Analysis and Similarity
| Others |
| ITAS | Institute of Transpersonal and Archetypal Studies
| Others |
| ITAS | Instructional Technology and Academic Services
| Others |
| ITAS | Integrated Tax Administration System
| Others |
| ITAS | Integrated Telescope Automation System
| Others |
| ITAS | Integrated Time and Attendance System
| Others |
| ITAS | Intelligent Traffic Alert System
| Others |
| ITAS | Interactive Technical Application Services
| Others |
| ITAS | Internet Technology and Applied Systems
| Others |
| ITAS | Intra Theatre Airlift System
| Others |
| ITAS | Iridium Transceiver Antenna System
| Others |
| ITAS | Israel Travel Advisory
| Others |
| ITAS | Israel Travel Advisory Service
| Others |
| ITAS | Italian Titration Approach Study
| Others |