| Name | Type |
|---|---|
| Itasca Fire Protection District | Governments |
| Wheaton Sanitary District | Governments |
| Downers Grove Sanitary District | Governments |
| Flagg Creek Water Reclamation District | Governments |
| Dupage Water Commission | Governments |
| Forest Preserve District of DuPage County | Governments |
| Forest Preserve District of Cook County | Governments |
| Highland Hills Sanitary District | Governments |