| Abbreviation | Definition |
|---|---|
| IMB | Insured Municipal Bond |
| IMF | It's Mostly Financial |
| IMGA | Illinois Municipal Gas Agency |
| IMMA | Indiana Municipal Management Association |
| IMPAC | Interministerial Provincial Advisory Committee |
| IMRF | Illinois Municipal Retirement Fund |
| IMSS | Institut Municipal de Serveis Socials |
| INHS | Illinois Natural History Survey |
| INHS | Ithaca Neighborhood Housing Services |
| INI | Integrated Neighbourhood Improvement |
| IOLF | Innovation Ohio Loan Fund |
| IPA | Integrated Planning Act |
| IPAI | Illinois Property Assessment Institute |
| IPAM | Iowa Progressive Asset Management |
| IPAT | Industry Performance Analyzer For Tourism |
| IPAT | Iowa Program for Assistive Technology |
| IPEM | Infrastructure Protection Emergency Management |
| IPMD | Indiana Partnership for Management Development |
| IPOP | Interim Planning Overlay Petition |
| IPPS | Integrated Power Protection System |