| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| A & R SECURITY SERVICES INC | Business | 123000022 | ROCKFORD | NOT RENEWED | Verify |
| A & R SECURITY SERVICES INC | Business | 123000310 | LOMBARD | NOT RENEWED | Verify |
| A & R SECURITY SERVICES INC | Business | 127000500 | BLUE ISLAND | INOPERATIVE | Verify |
| A & R SECURITY SERVICES INC | Business | 117000150 | BLUE ISLAND | NOT RENEWED | Verify |
| A & R SECURITY SERVICES INC | Business | 123000122 | JOLIET | NOT RENEWED | Verify |
| A & R SECURITY SERVICES INC | Business | 123000023 | NAPERVILLE | NOT RENEWED | Verify |
| A & S INVESTIGATIONS INC | Business | 117001107 | DOWNERS GROVE | CLOSED | Verify |
| A 1 PROCESS SERVING OF ILLINOIS INC | Business | 117000677 | PALOS HEIGHTS | ACTIVE | Verify |
| A ACTION LOCK & SECURITY INC | Business | 192000231 | FAIRVIEW HEIGHTS | NOT RENEWED | Verify |
| A ALERT WATCHMAN N GUARD SERVICE | Business | 117000515 | CHICAGO | INOPERATIVE | Verify |
| A AMERICAN ALARM & SECURITY SYSTEMS INC | Business | 127001249 | JOLIET | NOT RENEWED | Verify |
| A AND M CUSTOM ALARM | Business | 127000092 | CHICAGO | NOT RENEWED | Verify |
| A AND R SECURITY INC | Business | 201000059 | BLUE ISLAND | ACTIVE | Verify |
| A ASHLAND LOCK COMPANY | Business | 192000105 | CHICAGO | ACTIVE | Verify |
| A B E F SEC ALLIANCE | Business | 127000513 | BROOKFIELD | INOPERATIVE | Verify |
| A BEST INVESTIGATIONS INC | Business | 117000851 | BERWYN | NOT RENEWED | Verify |
| A BURGESS LOCKSMITH | Business | 192000324 | O FALLON | ACTIVE | Verify |
| A C A DETECTIVE AGENCY INC | Business | 117000175 | BARRINGTON | INOPERATIVE | Verify |
| A C A DETECTIVE AGENCY | Business | 122000247 | BARRINGTON | NOT RENEWED | Verify |
| A C A DETECTIVE AGENCY INC | Business | 127000260 | BARRINGTON | INOPERATIVE | Verify |
| A C A DETECTIVE AGENCY TRAINING SCHOOL | Business | 201000162 | BARRINGTON | ACTIVE | Verify |
| A C BURGLAR ALARMS INC | Business | 127000797 | ADDISON | NOT RENEWED | Verify |
| A CLOSER LOOK INVESTIGATIONS LLC | Business | 117001456 | GODFREY | ACTIVE | Verify |
| A D A INC | Business | 122000441 | SMITHTON | NOT RENEWED | Verify |
| A DE FREITAS SECURITY CO. | Business | 128000150 | LAKE ZURICH | NOT RENEWED | Verify |
| A DE FREITAS SECURITY CO. | Business | 127001060 | HANOVER PARK | INOPERATIVE | Verify |
| A E C INVESTIGATION | Business | 117001260 | CHICAGO | NOT RENEWED | Verify |
| A G A LTD | Business | 122000088 | CHICAGO | NOT RENEWED | Verify |
| A G A LTD | Business | 118000068 | ROSEMONT | CLOSED | Verify |
| A G A SECURITY AND INVESTIGATIONS LTD | Business | 127000021 | CHICAGO | NOT RENEWED | Verify |
| A H B INC | Business | 117000132 | CHICAGO | NOT RENEWED | Verify |
| A H I COMPANY | Business | 127000664 | SPRINGFIELD | NOT RENEWED | Verify |
| A L E SECURITY PROFESSIONAL INC | Business | 117001594 | CHICAGO | NOT RENEWED | Verify |
| A L E SECURITY PROFESSIONAL INC | Business | 122001217 | CHICAGO | NOT RENEWED | Verify |
| A M T I INC | Business | 201000842 | CHICAGO | ACTIVE | Verify |
| A O'CONNOR INVESTIGATIONS INC | Business | 117001227 | NAPERVILLE | NOT RENEWED | Verify |
| A P SPECIALIZED SECURITY AND INVESTIGATIONS LLC | Business | 117001513 | CHICAGO | NOT RENEWED | Verify |
| A PLUS SAFETY, INC | Business | 122001669 | CHICAGO | ACTIVE | Verify |
| A PLUS SAFETY, INC | Business | 262000182 | CHICAGO | ACTIVE | Verify |
| A PRIVATE EYE INVESTIGATORS INC | Business | 117000432 | CHICAGO | NOT RENEWED | Verify |
| A PRIVATE INVESTIGATOR INC | Business | 118000122 | BLOOMINGTON | NOT RENEWED | Verify |
| A PRIVATE INVESTIGATOR INC | Business | 117000634 | JOLIET | INACTIVE | Verify |
| A PRIVATE INVESTIGATOR INC | Business | 118000121 | ROCK ISLAND | NOT RENEWED | Verify |
| A PRIVATE INVESTIGATOR INC | Business | 118000162 | BELLEVILLE | NOT RENEWED | Verify |
| A PRO-TECH ALARM SYSTEM COMPANY | Business | 127000403 | BATAVIA | NOT RENEWED | Verify |
| A R EMPLOYMENT SCREENING INC | Business | 117000970 | FRANKFORT | INOPERATIVE | Verify |
| A ROUND THE CLOCK SECURITY INC | Business | 122000124 | CHICAGO | NOT RENEWED | Verify |
| A S A INC | Business | 122000268 | CICERO | CANCELLED | Verify |
| A S A INC | Business | 127000069 | CICERO | CANCELLED | Verify |
| A S A INC | Business | 117000125 | CICERO | CANCELLED | Verify |