| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| C J MARESCA & ASSOCIATES LTD | Business | 117000975 | NAPERVILLE | ACTIVE | Verify |
| C J T SECURTIY & DETECTIVE AGENCY INC | Business | 122000211 | CHICAGO | NOT RENEWED | Verify |
| C J T SECURTIY & DETECTIVE AGENCY INC | Business | 122000211 | CHICAGO | NOT RENEWED | Verify |
| C M I ASSOCIATES | Business | 122000238 | CHICAGO | NOT RENEWED | Verify |
| C P P SECURITY SYSTEMS | Business | 201000122 | ELMHURST | ACTIVE | Verify |
| C P SECURITY SERVICE | Business | 201000007 | SOUTH HOLLAND | ACTIVE | Verify |
| C P SECURITY SERVICE | Business | 117000159 | SOUTH HOLLAND | NOT RENEWED | Verify |
| C P SECURITY SERVICE | Business | 122000203 | SOUTH HOLLAND | NOT RENEWED | Verify |
| C S & R CHECKMATE CONSULTING INC | Business | 123000102 | WAUKEGAN | INOPERATIVE | Verify |
| C S & R CHECKMATE CONSULTING INC | Business | 117000601 | CHICAGO | NOT RENEWED | Verify |
| C S & R CHECKMATE CONSULTING INC | Business | 118000093 | WAUKEGAN | INOPERATIVE | Verify |
| C S & R CHECKMATE CONSULTING INC | Business | 122000521 | CHICAGO | INOPERATIVE | Verify |
| C S CLAIMS GROUP INC | Business | 117000728 | ALGONQUIN | NOT RENEWED | Verify |
| C T INVESTIGATIONS INC | Business | 117000591 | ELGIN | NOT RENEWED | Verify |
| C WHITES LOCKSMITH | Business | 192000249 | O FALLON | INACTIVE | Verify |
| C.L.S.S., INC. | Business | 122000768 | CHICAGO | NOT RENEWED | Verify |
| C&N LICENSING AND TITLE SERVICES, PLLC | Business | 262000164 | WOOD RIVER | ACTIVE | Verify |
| C4 SECURITY INC | Business | 122001153 | MATTESON | NOT RENEWED | Verify |
| CABLE SECURITY SYSTEMS INC | Business | 117000785 | HOMEWOOD | INOPERATIVE | Verify |
| CABLE SYSTEMS INC | Business | 127000802 | BERKELEY | NOT RENEWED | Verify |
| CAIRO INVESTIGATIONS | Business | 117000878 | PALATINE | NOT RENEWED | Verify |
| CAL SYSTEMS INC DBA SECURITY DOCTORS | Business | 127001668 | CHICAGO | ACTIVE | Verify |
| CALDERONE AND ASSOCIATES | Business | 122000346 | CHICAGO | NOT RENEWED | Verify |
| CALDERONE AND ASSOCIATES | Business | 117000077 | CHICAGO | NOT RENEWED | Verify |
| CALDWELL ELECTRIC COMPANY INC | Business | 127000321 | HARRISBURG | NOT RENEWED | Verify |
| CALEB INVESTIGATION | Business | 117000954 | KANKAKEE | INOPERATIVE | Verify |
| CALEB INVESTIGATION & SECURITY | Business | 122000892 | KANKAKEE | NOT RENEWED | Verify |
| CALVARY TEMPLE OF SPRINGFIELD D/B/A CALVARY CHURCH OF SPRINGFIELD | Business | 120500169 | SPRINGFIELD | ACTIVE | Verify |
| CAMBRIDGE COMMUNICATIONS | Business | 127000458 | NILES | INOPERATIVE | Verify |
| CAMBRIDGE SECURITY SYSTEMS INC | Business | 127001098 | LISLE | INOPERATIVE | Verify |
| CAMP ELECTRIC AND HEATING CO INC | Business | 127000210 | ALTON | NOT RENEWED | Verify |
| CANIN INVESTIGATIONS | Business | 122000056 | CHICAGO | NOT RENEWED | Verify |
| CANIN INVESTIGATIONS | Business | 118000113 | BELLEVILLE | INOPERATIVE | Verify |
| CANIN INVESTIGATIONS | Business | 117000065 | CHICAGO | INOPERATIVE | Verify |
| CAPITAL BANK AND TRUST CO | Business | 120000028 | SPRINGFIELD | NOT RENEWED | Verify |
| CAPITAL FIRE AND SECURITY INC | Business | 127001111 | BARTLETT | ACTIVE | Verify |
| CAPITAL SECURITY & INVESTIGATIONS INC | Business | 122000781 | ROSELLE | ACTIVE | Verify |
| CAPITAL SECURITY AND INVESTIGATIONS INC | Business | 117001004 | ROSELLE | ACTIVE | Verify |
| CAPITOL CONSULTING INC | Business | 117000963 | SPRINGFIELD | INOPERATIVE | Verify |
| CAPITOL DETECTIVE AGCY | Business | 201000106 | SKOKIE | ACTIVE | Verify |
| CAPITOL SECURITY SERVICES INC | Business | 117000323 | SPRINGFIELD | NOT RENEWED | Verify |
| CAPITOL SECURITY SERVICES INCORPORATED | Business | 122000233 | SPRINGFIELD | NOT RENEWED | Verify |
| CAPITOL SECURITY SERVICES INCORPORATED | Business | 127000222 | SPRINGFIELD | NOT RENEWED | Verify |
| CAPTAIN'S SECURITY CORPORATION | Business | 127000373 | WAUKEGAN | CANCELLED | Verify |
| CAPTAIN'S SECURITY CORPORATION | Business | 117000386 | WAUKEGAN | ACTIVE | Verify |
| CAPTAIN'S SECURITY CORPORATION | Business | 122000325 | WAUKEGAN | ACTIVE | Verify |
| CAPTAINS SECURITY CORP | Business | 127000908 | WAUKEGAN | ACTIVE | Verify |
| CAR BRITE | Business | 120100006 | HANOVER PARK | NOT RENEWED | Verify |
| CAR KEY LOCKSMITH INC. | Business | 193000029 | CHICAGO | ACTIVE | Verify |
| CAR KEY LOCKSMITH INC. | Business | 192000349 | CHICAGO | ACTIVE | Verify |