| Abbreviation | Definition |
|---|---|
| HTCA | Harding Township Civic Association |
| IACD | Institute on the Arts and Civic Dialogue |
| IACL | Italian American Civic League |
| IBAM | Instituto Brasileiro de Administração Municipal |
| ICCS | International Civic and Citizenship Study |
| ICLP | Immigrant Civic Leadership Program |
| ICP | Innovations in Civic Participation |
| IDCL | Institute for Diversity and Civic Life |
| IGMT | Investment Grade Municipal Trust |
| IICE | Interfaith Initiatives for Civic Engagement |
| IMBL | Inter Municipal Business Licence |
| IMBL | Inter Municipal Business License |
| IMCA | Industrial Municipal Cleaning Association |
| IMEA | Illinois Municipal Electric Agency |
| IMEA | Indiana Municipal Electric Association |
| IMESA | Institute of Municipal Engineering of Southern Africa |
| IMGA | Interstate Municipal Gas Agency |
| IML | Illinois Municipal League |
| IMMB | Instituto Municipal de Mercados de Barcelona |
| IMMX | Instituto Municipal de las Mujeres de Xalapa |