| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| CPP SECURITY SERVICE | Business | 123000015 | CHICAGO | CLOSED | Verify |
| CPP SECURITY SERVICE | Business | 123000019 | JOLIET | CLOSED | Verify |
| CPP SECURITY SERVICE | Business | 123000014 | CHICAGO | CLOSED | Verify |
| CPP SECURITY SERVICE | Business | 118000022 | CHICAGO | CANCELLED | Verify |
| CPP SECURITY SERVICE | Business | 117000367 | GENEVA | CLOSED | Verify |
| CPP SECURITY SERVICE | Business | 118000023 | CHICAGO | CANCELLED | Verify |
| CPP SECURITY SERVICE | Business | 118000025 | WHEATON | CANCELLED | Verify |
| CPP SECURITY SERVICE | Business | 123000017 | WHEATON | CLOSED | Verify |
| CPS INVESTIGATIONS LLC | Business | 117001537 | JONESBORO | ACTIVE | Verify |
| CRA INTERNATIONAL INC | Business | 117001795 | CHICAGO | ACTIVE | Verify |
| CRABB INVESTIGATIONS | Business | 117000556 | GOLCONDA | INOPERATIVE | Verify |
| CRABTREE DETECTIVE AGCY | Business | 201000207 | ELMWOOD PARK | ACTIVE | Verify |
| CRABTREE DETECTIVE AGENCY INC | Business | 117000203 | ADDISON | CANCELLED | Verify |
| CRABTREE DETECTIVE AGENCY INC | Business | 122000439 | ADDISON | CANCELLED | Verify |
| CRABTREE DETECTIVE AGENCY INC | Business | 127000590 | ADDISON | CANCELLED | Verify |
| CRABTREE INSTITUTE OF SECURITY TECHNOLOG | Business | 102000022 | ADDISON | ACTIVE | Verify |
| CRAWFORD & COMPANY | Business | 117001087 | LISLE | INOPERATIVE | Verify |
| CRAWFORD INVESTIGATION SERVICES INC | Business | 117001266 | LISLE | NOT RENEWED | Verify |
| CREATIVE TECHNOLOGIES INC | Business | 127000766 | PEORIA | CANCELLED | Verify |
| CRESCENT ENGINEERING | Business | 127000646 | CHICAGO | INOPERATIVE | Verify |
| CRETE POLICE TRAINING SCHOOL | Business | 201000822 | CRETE | ACTIVE | Verify |
| CRIME FIGHTERS INSTITUTE | Business | 102000171 | CAHOKIA | ACTIVE | Verify |
| CRIME FIGHTERS SECURITY | Business | 127000975 | ADDISON | NOT RENEWED | Verify |
| CRIME RESEARCH CORP | Business | 127000682 | WESTMONT | NOT RENEWED | Verify |
| CRIME-GUARD SECURITY | Business | 127000397 | CHICAGO | NOT RENEWED | Verify |
| CRIMEBUSTERS OF AMERICA LLC | Business | 127001103 | LIBERTYVILLE | NOT RENEWED | Verify |
| CRISIS ALERT INC | Business | 127000521 | PEORIA | NOT RENEWED | Verify |
| CRISIS24 PROTECTIVE SOLUTIONS, INC | Business | 122001457 | BLOOMINGDALE | ACTIVE | Verify |
| CRISIS24 PROTECTIVE SOLUTIONS, INC | Business | 117001824 | BLOOMINGDALE | INOPERATIVE | Verify |
| CRITICAL TECHNOLOGY SOLUTIONS INC | Business | 127001390 | DOWNERS GROVE | ACTIVE | Verify |
| CROSS COUNTRY BUREAU | Business | 122000237 | PALATINE | NOT RENEWED | Verify |
| CROSS COUNTRY BUREAU | Business | 117000336 | PALATINE | NOT RENEWED | Verify |
| CROSS COUNTY BUREAU OF INVESTIGATION | Business | 201000147 | CHICAGO | ACTIVE | Verify |
| CROSS POINTS SECURITY SYSTEMS | Business | 127000776 | EAST DUNDEE | ACTIVE | Verify |
| CROSS STATE ALARM SERVICE | Business | 127000012 | CHICAGO | NOT RENEWED | Verify |
| CROSS STATE DETECTIVE AGENCY | Business | 117000072 | CHICAGO | NOT RENEWED | Verify |
| CROSS STATE DETECTIVE PATROL AGENCY | Business | 122000062 | CHICAGO | NOT RENEWED | Verify |
| CROSSOVER INVESTIGATIONS INC | Business | 117001574 | ROCKFORD | NOT RENEWED | Verify |
| CROSSOVER PROTECTION SERVICES | Business | 122001197 | ROCKFORD | NOT RENEWED | Verify |
| CROSSROADS ELECTRONIC SECURITY LLC | Business | 127001574 | CHICAGO | NOT RENEWED | Verify |
| CROWE'S PROTECTION SERVICES INC | Business | 122001382 | LYNWOOD | NOT RENEWED | Verify |
| CROWN SERV MRCHTS POL PAT & DETECT AGCY | Business | 122000021 | NORRIDGE | INOPERATIVE | Verify |
| CROWN SERVICE MERCHANTS POLICE PATROL | Business | 201000123 | CHICAGO | ACTIVE | Verify |
| CRS INVESTIGATIONS INC | Business | 117000615 | HICKORY HILLS | NOT RENEWED | Verify |
| CRUMS INSTALLATION SERVICE INC | Business | 127000688 | SKOKIE | NOT RENEWED | Verify |
| CS FINGERPRINTING PLLC | Business | 262000168 | CHICAGO | ACTIVE | Verify |
| CS PRIVATE SECURITY & DETECTIVE COMPANY LTD | Business | 102000397 | CHICAGO | ACTIVE | Verify |
| CS PRIVATE SECURITY & DETECTIVE COMPANY LTD | Business | 122001518 | CHICAGO | ACTIVE | Verify |
| CS PRIVATE SECURITY & DETECTIVE COMPANY LTD | Business | 117001909 | CHICAGO | ACTIVE | Verify |
| CSF SECURITY SYSTEMS | Business | 127001253 | CHICAGO | NOT RENEWED | Verify |