| Business | Phone |
| Superintendent's Office 529 E 2nd St, Gilman 60938 | (815) 265-4642 |
| Iroquois Special Ed 108 E Front St, Gilman 60938 | (815) 265-8601 |
| Gilman Elementary School 215 E 2nd St, Gilman 60938 | (815) 265-7631 |
| Iroquois West High School 529 E 2nd St, Gilman 60938 | (815) 265-4229 |