| IN HOME OPTICAL CARE | Business | 060003884 | CHICAGO | NOT RENEWED | Verify |
| IN HOME PET SERVICES PC | Business | 060006617 | FRANKFORT | NOT RENEWED | Verify |
| IN STEP LTD | Business | 060007285 | MATTESON | NOT RENEWED | Verify |
| IN STEP PODIATRY PC | Business | 060005059 | WHEATON | NOT RENEWED | Verify |
| IN THE DOGS HOUSE PC | Business | 060006904 | LAKE BLUFF | NOT RENEWED | Verify |
| IN2GREAT! PEDIATRIC THERAPY SERVICES, LTD. | Business | 060013225 | BUFFALO GROVE | ACTIVE | Verify |
| INDEPENDENCE PHYSICAL THERAPY PC | Business | 060010494 | CRETE | ACTIVE | Verify |
| INDUSTRIAL BACK CONSULTANTS LTD | Business | 060003581 | BARRINGTON | NOT RENEWED | Verify |
| INDUSTRIAL PSYCHOLOGY INTERNATIONAL LTD | Business | 060005008 | CHAMPAIGN | NOT RENEWED | Verify |
| INFECTIOUS DISEASE CONSULTANTS GROUP PC | Business | 060008892 | BELLEVILLE | NOT RENEWED | Verify |
| INFECTIOUS DISEASES ASSOCIATES PC | Business | 060004299 | ELK GROVE VILLAGE | NOT RENEWED | Verify |
| INFINITE WELLNESS CHIROPRACTIC LTD | Business | 060009680 | GLEN CARBON | INOPERATIVE | Verify |
| INGRID I ALEXANDER MD PC | Business | 060009205 | SPRINGFIELD | NOT RENEWED | Verify |
| INGRID I ALEXANDER MD PC | Business | 060004226 | MOUNT VERNON | NOT RENEWED | Verify |
| INNER BALANCE PSYCHOTHERAPY SERVICES LTD | Business | 060009746 | CHICAGO | NOT RENEWED | Verify |
| INNER CHANGE LTD | Business | 060002995 | OAK PARK | CLOSED | Verify |
| INNER CITY REHABILITATION SERVICE,LTD | Business | 060007130 | CHICAGO | NOT RENEWED | Verify |
| INNERBLOOM THERAPY PRACTICE PC | Business | 060013169 | CHICAGO | ACTIVE | Verify |
| INNOVATIONS SALON OF NAPERVILLE LTD | Business | 060009123 | NAPERVILLE | NOT RENEWED | Verify |
| INNOVATIONS SALON OF NAPERVILLE LTD | Business | 060009112 | NAPERVILLE | NOT RENEWED | Verify |
| INNOVATIVE ENDODONTICS PC | Business | 060009733 | CHICAGO | NOT RENEWED | Verify |
| INNOVATIVE EYE CARE SOLUTIONS LTD | Business | 060009155 | BELLEVILLE | ACTIVE | Verify |
| INNOVATIVE ORTHODONTIC CENTERS PC | Business | 060009358 | JOLIET | NOT RENEWED | Verify |
| INNOVATIVE PLATINUM CARE, S.C. | Business | 060013161 | CHICAGO | ACTIVE | Verify |
| INSIGHTFUL SOLUTIONS PC | Business | 060011152 | TINLEY PARK | NOT RENEWED | Verify |
| INSIGHTFUL THERAPY, LTD. | Business | 060012822 | SCHAUMBURG | NOT RENEWED | Verify |
| INSIGHTS PSYCHOTHERAPY LTD | Business | 060008151 | NAPERVILLE | ACTIVE | Verify |
| INSPIRING MENTAL WELLNESS, P.C. | Business | 060013175 | TINLEY PARK | ACTIVE | Verify |
| INST FOR PSYCHODIAGNOSTIC INTERVENTIONS | Business | 060006165 | CHICAGO | NOT RENEWED | Verify |
| INSTEP FOOT AND ANKLE CENTER PC | Business | 060009810 | OAK PARK | NOT RENEWED | Verify |
| INSTEP PODIATRY PC | Business | 060006514 | WHEATON | ACTIVE | Verify |
| INSTITUTE FOR BEHAVIORAL HEALTH PC | Business | 060007888 | CHICAGO | NOT RENEWED | Verify |
| INSTITUTE FOR COMPREHENSIVE PAIN MGMT PC | Business | 060006459 | CHICAGO | NOT RENEWED | Verify |
| INSTITUTE FOR STRESS | Business | 060004561 | HOFFMAN ESTATES | NOT RENEWED | Verify |
| INSTITUTE FOR THE TREATMENT AND STUDY OF | Business | 060004875 | CHICAGO | NOT RENEWED | Verify |
| INSTITUTE OF CONSERVATIVE | Business | 060006248 | RIVER FOREST | NOT RENEWED | Verify |
| INTEGRAL ORTHODONTICS LTD | Business | 060012137 | MUNDELEIN | NOT RENEWED | Verify |
| INTEGRATED AUDIOLOGY CARE PC | Business | 060010083 | DOWNERS GROVE | NOT RENEWED | Verify |
| INTEGRATED BEHAVIORAL MEDICINE LTD | Business | 060006702 | NAPERVILLE | ACTIVE | Verify |
| INTEGRATED IMAGING PC | Business | 060008147 | CARBONDALE | NOT RENEWED | Verify |
| INTEGRATED PATIENT SOLUTIONS OF ILLINOIS, P.C. | Business | 060012860 | OAK BROOK | ACTIVE | Verify |
| INTEGRATED THERAPY SERVICES, P.C. | Business | 060013275 | EFFINGHAM | ACTIVE | Verify |
| INTEGRATED THERAPY SERVICES, P.C. | Business | 060013273 | NEWTON | ACTIVE | Verify |
| INTEGRATED THERAPY SERVICES, P.C. | Business | 060013274 | FLORA | ACTIVE | Verify |
| INTEGRATED THERAPY SERVICES, P.C. | Business | 060013272 | NEWTON | ACTIVE | Verify |
| INTEGRATIVE BEHAVIORAL AND COUNSELING SERVICES | Business | 060013016 | SKOKIE | ACTIVE | Verify |
| INTEGRATIVE COUNSELING AND PSYCHOLOGICAL SERVICES PC | Business | 060010867 | NAPERVILLE | NOT RENEWED | Verify |
| INTEGRATIVE EMOTIONAL ENRICHMENT SERVICES PC | Business | 060009837 | NORTHBROOK | ACTIVE | Verify |
| INTEGRATIVE PSYCHIATRIC SERVICES LTD | Business | 060011488 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| INTEGRITY MEDICAL GROUP LTD | Business | 060011012 | BLUE ISLAND | NOT RENEWED | Verify |