| ILLINOIS COUNCIL ON PROBLEM GAMBLING | Business | 159001302 | PEKIN | ACTIVE | Verify |
| ILLINOIS COUNCIL ON TRAINING | Business | 159000307 | SPRINGFIELD | NOT RENEWED | Verify |
| ILLINOIS COUNSELING ASSOCIATION | Business | 159001342 | DEKALB | ACTIVE | Verify |
| ILLINOIS CTR OF EXCELLENCE FOR | Business | 159001235 | ROCKFORD | NOT RENEWED | Verify |
| ILLINOIS DEPARTMENT ON AGING | Business | 159000109 | SPRINGFIELD | ACTIVE | Verify |
| ILLINOIS DEPT OF PUBLIC AID | Business | 159000351 | CHICAGO | NOT RENEWED | Verify |
| ILLINOIS DEPT OF PUBLIC AID OFFICE OF TRAINING & STAFF DEVELOPME | Business | 159000635 | SPRINGFIELD | NOT RENEWED | Verify |
| ILLINOIS GROUP PSYCHOTHERAPY SOCIETY | Business | 159000155 | CHICAGO | NOT RENEWED | Verify |
| ILLINOIS HEALTH CARE | Business | 159000129 | SPRINGFIELD | NOT RENEWED | Verify |
| ILLINOIS HEALTH CARE ASSOCIATION | Business | 159001547 | SPRINGFIELD | ACTIVE | Verify |
| ILLINOIS HIGHER EDUCATION CENTER | Business | 159001321 | CHARLESTON | NOT RENEWED | Verify |
| ILLINOIS HOMECARE & HOSPICE COUNCIL (IHHC) | Business | 159001332 | SPRINGFIELD | NOT RENEWED | Verify |
| ILLINOIS HOMECARE AND HOSPICE COUNCIL | Business | 159001601 | SPRINGFIELD | ACTIVE | Verify |
| ILLINOIS HOSPICE & PALLIATIVE CARE ORGANIZATION | Business | 159000892 | CHICAGO | NOT RENEWED | Verify |
| ILLINOIS HOSPITAL ASSOCIATION | Business | 159000966 | NAPERVILLE | NOT RENEWED | Verify |
| ILLINOIS HOSPITAL RESEARCH | Business | 159000857 | NAPERVILLE | NOT RENEWED | Verify |
| ILLINOIS INST FOR DISPUTE RESOLUTION | Business | 159000344 | URBANA | NOT RENEWED | Verify |
| ILLINOIS MENTAL HEALTH COUNSELORS ASSN | Business | 159000650 | DEKALB | ACTIVE | Verify |
| ILLINOIS MENTOR INC | Business | 159000657 | SCHAUMBURG | NOT RENEWED | Verify |
| ILLINOIS NETWORK OF CHILD CARE RESOURCE AND REFERRAL AGENCIES | Business | 159001535 | BLOOMINGTON | ACTIVE | Verify |
| ILLINOIS PRIMARY HEALTH CARE ASSOCIATION | Business | 159001170 | CHICAGO | NOT RENEWED | Verify |
| ILLINOIS PSYCHOLOGICAL ASSOCIATION | Business | 159000291 | CHICAGO | NOT RENEWED | Verify |
| ILLINOIS PSYCHOLOGICAL ASSOCIATION | Business | 159001359 | NAPERVILLE | NOT RENEWED | Verify |
| ILLINOIS SCHOOL COUNSELOR ASSOCIATION | Business | 159001444 | DOWNERS GROVE | NOT RENEWED | Verify |
| ILLINOIS SCHOOL FOR THE DEAF | Business | 159000834 | JACKSONVILLE | NOT RENEWED | Verify |
| ILLINOIS SERVICE RESOURCE CENTER | Business | 159000999 | NORTHBROOK | NOT RENEWED | Verify |
| ILLINOIS STARNET REGION I & III | Business | 159000680 | MACOMB | ACTIVE | Verify |
| ILLINOIS STARNET REGION II | Business | 159000681 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| ILLINOIS STARNET REGION IV | Business | 159000682 | BELLEVILLE | ACTIVE | Verify |
| ILLINOIS STARNET REGION V | Business | 159000683 | CHICAGO | NOT RENEWED | Verify |
| ILLINOIS STARNET REGION VI | Business | 159000684 | OAK FOREST | NOT RENEWED | Verify |
| ILLINOIS STATE PSYCHIATRIC INSTITUTE | Business | 159000265 | CHICAGO | NOT RENEWED | Verify |
| ILLINOIS STATE UNIVERSITY | Business | 159000930 | NORMAL | ACTIVE | Verify |
| ILLINOIS STATE UNIVERSITY | Business | 159000191 | NORMAL | NOT RENEWED | Verify |
| ILLINOIS STATE UNIVERSITY | Business | 159001518 | NORMAL | NOT RENEWED | Verify |
| ILLINOIS VALLEY COMMUNITY COLLEGE | Business | 159000729 | OGLESBY | NOT RENEWED | Verify |
| IN MOTION COUNSELING, LLC | Business | 159001685 | BERWYN | ACTIVE | Verify |
| INCLUSIVE INSIGHT PSYCHOTHERAPY & CONSULTING PLLC | Business | 159001482 | CHICAGO | ACTIVE | Verify |
| INDEPENDENCE 4 SENIORS | Business | 159001207 | HINSDALE | NOT RENEWED | Verify |
| INDIAN OAKS ACADEMY | Business | 159001340 | MANTENO | NOT RENEWED | Verify |
| INDIAN PRAIRIE CUSD 204 | Business | 159000734 | AURORA | ACTIVE | Verify |
| INDIAN SPRINGS SCH DIST 109 | Business | 159000856 | JUSTICE | NOT RENEWED | Verify |
| INDIVIDUAL AND FAMILY CONNECTION LLC | Business | 159001654 | CHICAGO | ACTIVE | Verify |
| INFINITY FOUNDATION | Business | 159000871 | HIGHLAND PARK | NOT RENEWED | Verify |
| INGALLS HOMECARE AND HOSPICE | Business | 159001135 | HARVEY | NOT RENEWED | Verify |
| INGALLS MEMORIAL HOSPITAL | Business | 159000242 | HARVEY | NOT RENEWED | Verify |
| INNER COURAGE COUNSELING PLLC | Business | 159001579 | NAPERVILLE | NOT RENEWED | Verify |
| INNERVOICE PSYCHOTHERAPY AND CONSULTATION | Business | 159001289 | CHICAGO | ACTIVE | Verify |
| INNOVATIVE COUNSELING PARTNERS LLC | Business | 159001448 | OAK PARK | ACTIVE | Verify |
| INNOVATIVE THERAPEUTICS, INC. | Business | 159000666 | DECATUR | NOT RENEWED | Verify |