| Abbreviation | Definition |
|---|---|
| ITSB | Information Technology Services Bureau |
| IU | Inter-Urban |
| IUB | Iowa Utilities Board |
| IUDD | Infrastructure and Urban Development Department |
| IUDD | Infrastructure and Urban Development Division |
| IVG | Illinois Veteran Grant program |
| IWA | Interaction With Agents |
| IWB | Intergovernmental Water Board |
| IWC | Indigenous Wellness Care |
| IWE | Iowa Waste Exchange |
| IWH | Inwood Washington Heights |
| IWL | Improving Working Lives |
| IWM | Indiana War Memorials |
| IWMS | Integrated Waste Management Section |
| IWN | Idaho Women's Network |
| IWRC | Iowa Waste Reduction Center |
| IWT | Individual Well Test |
| IWV | Indian Wells Valley |
| J | Jersey |
| JACOC | Joplin Area Chamber Of Commerce |