| Institute for Tropical Ecology and Conservation | Academic & Science |
| Information Technology Education Center | Academic & Science |
| Into The Electric Castle | Academic & Science |
| I.T. Electronic Controller | Academic & Science |
| Information Technology Electronics and Communications | Academic & Science |
| Information Technology and Electronic Commerce | Business |
| Information Technology Executive Committee | Business |
| Instrument Transformer Equipment Corporation | Business |
| Innovative Tube Equipment Corporation | Business |
| Imaging Technology Corporation | Business |
| Information Technology Expositions Conferences | Community |
| Information Technology Exposition And Conference | Community |
| International Tire Exhibition and Conference | Community |
| Information Technology English Club | Community |
| Illinois Technology Education Conference | Community |
| International Therapy Education Council | Community |
| International Transforming Education Conference | Community |
| International Training Education Conferences | Community |
| Instructional Technology Enhanced Classroom | Computing |
| Ibm Tivoli Enterprise Console | Computing |
| Information Technology Enterprise Committee | Computing |
| Internet2 Technology Evaluation Center | Computing |
| Iowa Technology Education Connection | Computing |
| Information Technology in Education and Children | Computing |
| Innovative Technologies for Engaging Classrooms | Computing |
| Information Technology Electronics and Controls | Electronics |
| International Triticeae EST Cooperative | General |
| Induced Thymic Epithelial Cell | General |
| Injection Timing Electronic Control | General |
| Isuzu Total Electronic Control | General |
| Isuzu Total Engine Control | General |
| Illinois Technology Enterprise Centers | Governmental |
| Interagency Trade Enforcement Center | Governmental |
| Inter-Tribal Environmental Council | Governmental |
| Internationl Therapy Examination Council | Governmental |
| Innovation Technology Enterprise And Commerce | Governmental |
| Indian Technical and Economic Cooperation | Indian Ministry of External Affairs |
| International Therapy Examination Council | International |
| International Turbine Engine Corporation | International |
| International Tuba Euphonium Conference | International |
| International Tire Exhibition Conference | International |
| Instant Tennis Elbow Cure | Medical |
| Information Technology Equipment Custodian | Military and Defence |
| interoperability Through European Collaboration | Regional |
| Information Technology Empowerment Center | Technology |
| Interactive Technology Experience Center | Technology |
| Industrial Technology and Engineering Center | Technology |
| Information Technology Engineering Corporation | Technology |
| Information Technology Executive Council | Technology |
| Internet Telecom and Electronic Commerce | Telecommunication |