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