| Abbreviation | Definition |
|---|---|
| IVW | Internet Venture Works |
| IVY | Illinois Valley Yacht |
| IW | Iit Wheaton |
| IWB | Interactive WhiteBoard Company |
| IWB | International World of Books |
| IWC | Illinois Watch Company |
| IWC | International Watch Company |
| IWC | International Window Corporation |
| IWE | Industrial Web & eCommerce |
| IWE | Inter-Continental Wood Exchange |
| IWE | Interior Whitewater Expeditions |
| IWE | International Work Exchange |
| IWE | International World Equipment |
| IWE | Iowa Waste Exchange |
| IWEW | International Work Exchange Worldwide |
| IWG | International Waterfront Group |
| IWH | Icers Web House |
| IWH | Industriële Werkgemeenschap Hasselt |
| IWH | Interact With History |
| IWH | Irish Wolfhound |