| Institute for Women and Technology | Academic & Science |
| Interop Wireless Technologies | Business |
| Integrated Wave Technologies | Business |
| Instructional Web Technologies | Business |
| International Waste Transport | Business |
| International Welding Technologies | Business |
| Inn of the Weary Traveler | Business |
| Intelligent Web Teacher | Community |
| Impact World Tour | Community |
| Innovative Water Technologies | Computing |
| Island Water Technologies | Computing |
| Integrated Wireless Technologies | Computing |
| Interstate Waste Technologies | Computing |
| Innovative Wastewater Technologies | Computing |
| Innovative Workflow Technologies | Computing |
| Impact Workforce Technology | Computing |
| Industrial Wood Technology | Computing |
| Inverse Wavelet Transform | Computing |
| Incumbent Worker Training | General |
| Illinois Water Treatment | General |
| International Wheel and Tire | General |
| international Wholesale Tile | General |
| Indus Water Treaty | General |
| Ian Williams Tuning | General |
| Inter Window Tunnel | General |
| Industrial Wind Turbine | General |
| I Will Teach | General |
| Integrated Warning Team | General |
| Instability we trust | General |
| Interval Weight Training | General |
| International Welding Technologist | General |
| International Working Test | General |
| Individual Wastewater Treatment | General |
| I Want Tacos | General |
| Ice Water Test | General |
| Institutional Water Treatment | General |
| Integrated Water Tank | General |
| Inland Waterway Transport | General |
| INDOOR Workload Tool | General |
| Individual Well Test | Governmental |
| Institute for Writing and Thinking | Governmental |
| Inland Water Transportation department | Governmental |
| Institute of Women Today | Governmental |
| International Web Technology | International |
| International Windsurfing Tour | International |
| International Warehousing Transport | International |
| International Warehousing and Transport | International |
| Internet Web Text | Internet |
| Incentive Work Therapy | Medical |
| I Was There | Messaging |
| Inland Water Transport | Military and Defence |
| Industrial (aerodynamics) Wind Tunnel | Space Science |
| International Workingtest Competition | Sports |
| Interoperable Wireless Technologies | Telecommunication |
| International Wireless Technologies, L.l.c. | Telecommunication |
| International Wireless Technology | Telecommunication |
| Innovative Wireless Technologies | Telecommunication |