| Transportation Impact Study | Academic & Science |
| The Information Society | Academic & Science |
| Tertiary Information Service | Academic & Science |
| Aicpa Technical Practice Aids | Accounts and Finance |
| Transaction Information System | Accounts and Finance |
| Thursday Island | Airport Code |
| Total Implementation Solution | Business |
| Technical Information Service | Business |
| Tichenors Institutional Service | Business |
| The Interview Specialist | Business |
| Titan International Shipping | Business |
| Tissue Therapies, LTD. | Business |
| Trusted Information Systems | Business |
| Technical Interface Specification | Business |
| To Inspire Strong African Children Fund | Community |
| The Idaho Statesman | Community |
| Tenants Incentive Scheme | Community |
| Textbooks for Indiana Students | Community |
| Tourism Information System | Community |
| Travelers' Information Station | Community |
| Tonaquint Intermediate School | Community |
| Together In Song | Community |
| Tourist Information System | Community |
| Telephone Interconnection System | Computing |
| Trendmicro Internet Security | Computing |
| Trusted Information System | Computing |
| Thread Independent Services | Computing |
| Total Implementation Solutions | Computing |
| Technical Information System | Computing |
| MahJongg 3.0 Tile set file | Computing |
| Trot Import Station | Computing |
| Tin Shui Wai, Hong Kong | Country Specific |
| Tool Induced Shift | Electronics |
| Tile Set (mahjongg 3.0) | File Type |
| Transport Information System | General |
| Tire Inflation System | General |
| Toyota Information System | General |
| Tcr International Series | General |
| Traveller Information System | General |
| Technical Information Shop | General |
| Traffic Impact Study | General |
| Tripetch Isuzu Sales | General |
| Truck Inspection Station | General |
| Tuned Intake System | General |
| Toyota Insurance Services | General |
| The Incredible Slaughters | General |
| Twenty Inches Strong | General |
| Texas Information System | General |
| Traffic Information Service | General |
| Technical Imaging Services | General |
| Transfer Information System | General |
| Tenacity Integrity Success | General |
| Technological Issues and Solutions | General |
| Technical Information Systems | General |
| Technical Inspections Solutions | General |
| Threat Intelligence Service | General |
| Thailand Indonesia Singapore | General |
| Top Image Systems | General |
| Topic, Importance, and Speaker | General |
| Transport Innovation And Systems | Governmental |
| Thai Industrial Standard | Governmental |
| Transportation Innovation Systems | Governmental |
| Test, Incite, Speak | Governmental |
| Travel Information System | Governmental |
| Trougher Impact System | Governmental |
| TATISILWAI | Indian Railway Station |
| Insurance Services | Insurance |
| This Is Sand | Internet |
| Technical Information Services | Medical |
| Technical Informations Services | Medical |
| Tetracycline-Induced Steatosis | Medical |
| Titanium Interbody Spacer | Medical |
| Totally Implantable System | Medical |
| Toxic Infectious Shock | Medical |
| Triage Illness Scale | Medical |
| Trypsin-Insoluble Segment | Medical |
| Tumor In Situ | Medical |
| Traumatic Incident Stress | Medical |
| This Is Stupid | Messaging |
| This Is Simple | Messaging |
| Thermal Imaging System | Military and Defence |
| Tactical Intelligence Squadron | Military and Defence |
| Test Item Stimulator | Military and Defence |
| Time In Service | Military and Defence |
| Troop and Installation Support | Military and Defence |
| Trainer Information Sheet | Military and Defence |
| Technology of Intelligent Sensors | Military and Defence |
| Terminal Indicate Secondary | Networking |
| Thursday Island, Queensland, Australia | Regional |
| Televic Interpretation System | Softwares |
| Test Interface Subsystem | Space Science |
