| ITSC | Imaging Technology Space Center 
| Others |
| ITSC | Information Technology and Systems Center
| Others |
| ITSC | Information Technology Services Center
| Others |
| ITSC | Information Technology Standards Committee
| Others |
| ITSC | Information Technology Steering Committee
| Others |
| ITSC | Information Technology Support Center
| Others |
| ITSC | Innovative Technology Schools Conference
| Others |
| ITSC | Instructional Technology Service Center
| Others |
| ITSC | Instructional Technology Strategies Conference
| Others |
| ITSC | Instructional Technology Support Center
| Others |
| ITSC | Instructional Technology Systems Consultancy
| Others |
| ITSC | Intelligent Transportation Systems Conference
| Others |
| ITSC | Inter-Regional Telecommunications Standards Conference
| Others |
| ITSC | Inter-Tribal Student Council
| Others |
| ITSC | International TOVS Study Conference
| Others |