| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| CHICAGO LOSS PREVENTION GROUP LTD | Business | 122000544 | PARK RIDGE | NOT RENEWED | Verify |
| CHICAGO MERCANTILE ALARM SYS INC | Business | 127000835 | MIDLOTHIAN | NOT RENEWED | Verify |
| CHICAGO MERCANTILE ALARM SYSTEMS INC | Business | 127000171 | CHICAGO | INOPERATIVE | Verify |
| CHICAGO METRO ALARM INC | Business | 127000359 | BLOOMINGDALE | INOPERATIVE | Verify |
| CHICAGO OSTEOPATHIC MEDICAL CENTER | Business | 120000032 | CHICAGO | CANCELLED | Verify |
| CHICAGO OSTEOPATHIC MEDICAL CENTER | Business | 120100011 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO PI LLC | Business | 117001532 | BERKELEY | NOT RENEWED | Verify |
| CHICAGO PI SERVICES GROUP LLC | Business | 117001738 | ARLINGTON HEIGHTS | ACTIVE | Verify |
| CHICAGO POLICE ACADEMY | Business | 201000816 | CHICAGO | ACTIVE | Verify |
| CHICAGO POLICE ACADEMY | Business | 201000803 | CHICAGO | ACTIVE | Verify |
| CHICAGO POLICE ACADEMY | Business | 201000804 | CHICAGO | ACTIVE | Verify |
| CHICAGO POLICE ACADEMY | Business | 201000801 | CHICAGO | ACTIVE | Verify |
| CHICAGO POLICE ACADEMY | Business | 201000807 | CHICAGO | ACTIVE | Verify |
| CHICAGO POLICE ACADEMY | Business | 201000813 | CHICAGO | ACTIVE | Verify |
| CHICAGO PRIVATE DETECTIVE BUREAU | Business | 122000024 | ELMWOOD PARK | NOT RENEWED | Verify |
| CHICAGO PRIVATE DETECTIVE BUREAU | Business | 117000027 | ADDISON | NOT RENEWED | Verify |
| CHICAGO PRIVATE DETECTIVE BUREAU | Business | 127000002 | ELMWOOD PARK | NOT RENEWED | Verify |
| CHICAGO PROTECTION DEPLOYMENT LTD | Business | 122000738 | CHICAGO | ACTIVE | Verify |
| CHICAGO PROTECTION DEPLOYMENT LTD | Business | 117000957 | CHICAGO | ACTIVE | Verify |
| CHICAGO RISK AND CASUALTY CONSULTANTS INC. | Business | 117001656 | CHICAGO | ACTIVE | Verify |
| CHICAGO RISK AND CASUALTY CONSULTANTS INC. | Business | 122001274 | CHICAGO | ACTIVE | Verify |
| CHICAGO SAVINGS AND LOAN | Business | 120000054 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO SECURITY INCORPORATED | Business | 122001207 | BRIDGEVIEW | NOT RENEWED | Verify |
| CHICAGO SECURITY INCORPORATION INC | Business | 122001610 | SOUTH HOLLAND | ACTIVE | Verify |
| CHICAGO SECURITY INTEGRATORS, INC. | Business | 127001789 | ST CHARLES | ACTIVE | Verify |
| CHICAGO SECURITY PREMIER LLC | Business | 122001433 | CHICAGO | ACTIVE | Verify |
| CHICAGO SECURITY PROFESSIONALS LLC | Business | 117001565 | LA GRANGE PARK | NOT RENEWED | Verify |
| CHICAGO SECURITY PROFESSIONALS LLC | Business | 122001191 | LA GRANGE PARK | ACTIVE | Verify |
| CHICAGO SECURITY SERVICES INC | Business | 122001115 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO SECURITY SYSTEMS INC | Business | 127000586 | PROSPECT HEIGHTS | NOT RENEWED | Verify |
| CHICAGO SENTRY SECURITY | Business | 122000353 | SPRINGFIELD | CANCELLED | Verify |
| CHICAGO SENTRY SECURITY | Business | 117000406 | SPRINGFIELD | CANCELLED | Verify |
| CHICAGO SENTRY SECURITY AGENCY INC | Business | 127000449 | SPRINGFIELD | CANCELLED | Verify |
| CHICAGO SERVE LLC | Business | 117001588 | ORLAND PARK | ACTIVE | Verify |
| CHICAGO SERVE LLC | Business | 122001446 | HOMER GLEN | INOPERATIVE | Verify |
| CHICAGO SOUND & COMMUNICATION INC | Business | 127001373 | CHICAGO | ACTIVE | Verify |
| CHICAGO SQUARE Z ELECTRIC COMP INC | Business | 127000622 | ELK GROVE VILLAGE | NOT RENEWED | Verify |
| CHICAGO TOKYO BANK | Business | 120000025 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO TOKYO BANK | Business | 120500019 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO TRANSIT AUTHORITY | Business | 120100048 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO TRANSIT AUTHORITY | Business | 102000131 | CHICAGO | ACTIVE | Verify |
| CHICAGO TRIBUNE POLICE TRAINING SCHOOL | Business | 201000164 | CHICAGO | ACTIVE | Verify |
| CHICAGO TRIBUNE POLICE TRAINING SCHOOL | Business | 120000002 | CHICAGO | NOT RENEWED | Verify |
| CHICAGO-METRO FIRE PREVENTION CO INC | Business | 127000155 | ELMHURST | NOT RENEWED | Verify |
| CHICAGOLAND DETECTIVE SERVICES | Business | 117001343 | CHICAGO | ACTIVE | Verify |
| CHICAGOLAND DETECTIVE SERVICES | Business | 118000349 | CHICAGO | CLOSED | Verify |
| CHICAGOLAND DETECTIVE SERVICES | Business | 118000344 | MANTENO | NOT RENEWED | Verify |
| CHICAGOLAND DETECTIVE SERVICES | Business | 118000326 | BUFFALO GROVE | NOT RENEWED | Verify |
| CHICAGOLAND DETECTIVE SERVICES | Business | 118000328 | ZION | CLOSED | Verify |
| CHICAGOLAND DETECTIVE SERVICES | Business | 118000337 | BOLINGBROOK | NOT RENEWED | Verify |