| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| ARKUS INC | Business | 117000551 | NORTHBROOK | NOT RENEWED | Verify |
| ARLINGTON HEIGHTS POLICE | Business | 201000823 | ARLINGTON HEIGHTS | ACTIVE | Verify |
| ARLINGTON PARK RACE TRACK | Business | 120000037 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| ARLINGTON PARK RACETRACK LTD | Business | 120100008 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| ARLINGTON SEC & INVESTIGATIONS INC | Business | 127000055 | CHICAGO | NOT RENEWED | Verify |
| ARLINGTON SEC AND INVESTIGATIONS INC | Business | 117000259 | CHICAGO | NOT RENEWED | Verify |
| ARLINGTON SECURITY & | Business | 122000162 | CHICAGO | NOT RENEWED | Verify |
| ARLINGTON SECURITY COMPANY LLC | Business | 127000093 | ARLINGTON HEIGHTS | ACTIVE | Verify |
| ARMAGEDDON SERVICES | Business | 122000143 | CHICAGO | CLOSED | Verify |
| ARMAL ALARM CORP | Business | 127000310 | ROCHELLE | NOT RENEWED | Verify |
| ARMITAGE RESEARCH LLC | Business | 117001612 | RIVER FOREST | CLOSED | Verify |
| ARMOR BEARERS UNLMTD | Business | 120500098 | CHICAGO | NOT RENEWED | Verify |
| ARMOR HOME SERVICES LLC | Business | 127001739 | CHICAGO | ACTIVE | Verify |
| ARMOR SECURITY INC | Business | 127001012 | PEORIA | INOPERATIVE | Verify |
| ARMORED ELECTRONIC SECURITY INC | Business | 127000431 | OAKBROOK TERRACE | CANCELLED | Verify |
| ARMORED TRANSPORT INC | Business | 117001827 | SPRINGFIELD | ACTIVE | Verify |
| ARMOUR SECURITY GROUP PLLC | Business | 117001848 | CHICAGO | ACTIVE | Verify |
| ARMOUR SECURITY GROUP PLLC | Business | 122001521 | CHICAGO | ACTIVE | Verify |
| ARMS SECURITY CORP | Business | 122001227 | CHICAGO | ACTIVE | Verify |
| ARMS SECURITY CORP | Business | 117001735 | CHICAGO | ACTIVE | Verify |
| ARMSTRONG SECURITY PLLC | Business | 122001579 | NEW LENOX | ACTIVE | Verify |
| ARNOLD INVESTIGATIONS INC | Business | 117001683 | OAK FOREST | NOT RENEWED | Verify |
| ARNOLD INVESTIGATIONS CORP | Business | 117001786 | OAK FOREST | NOT RENEWED | Verify |
| ARNOLD M DIAMOND LTD | Business | 117000307 | LINCOLNWOOD | NOT RENEWED | Verify |
| ARNOLD M DIAMOND LTD | Business | 118000340 | LINCOLNWOOD | NOT RENEWED | Verify |
| ARNOLDS UNLIMITED | Business | 122001161 | EAST SAINT LOUIS | NOT RENEWED | Verify |
| ARON SECURITY INC. | Business | 122001697 | BLOOMINGTON | ACTIVE | Verify |
| AROUND THE CLOCK SECURITY INC | Business | 201000132 | CHICAGO | ACTIVE | Verify |
| ARROW LOCKSMITH SERVICE INC | Business | 192000313 | OAK PARK | ACTIVE | Verify |
| ARROW LOCKSMITH SERVICE INC | Business | 192000202 | OAK PARK | NOT RENEWED | Verify |
| ARROW SECURITY SERVICES INC | Business | 127000804 | HOMEWOOD | ACTIVE | Verify |
| ARROW SECURITY SERVICES INC | Business | 117000627 | HOMEWOOD | NOT RENEWED | Verify |
| ARS INDUSTRIES INC | Business | 262000035 | CHICAGO | NOT RENEWED | Verify |
| ART GLOSS DETECTIVE AGCY | Business | 117000153 | WHEATON | INOPERATIVE | Verify |
| ART GLOSS SECURITY SERVICE | Business | 122000322 | WHEATON | INOPERATIVE | Verify |
| ART'S ALARM CO INC | Business | 127001397 | WHEELING | NOT RENEWED | Verify |
| ART'S ENTERPRISES INC | Business | 122000775 | CHICAGO | INOPERATIVE | Verify |
| ART'S ENTERPRISES INC | Business | 117000988 | CHICAGO | NOT RENEWED | Verify |
| ARTHUR E FINK CO | Business | 192000152 | CHICAGO | NOT RENEWED | Verify |
| ARTHUR F SCHOPPER & ASSOC | Business | 117000191 | CHICAGO HEIGHTS | INOPERATIVE | Verify |
| ASAP LOCKSMITH INC | Business | 192000271 | CHICAGO | NOT RENEWED | Verify |
| ASAP PROCESS SERVICE & INVESTIGATIONS LLC | Business | 117001095 | CHICAGO | ACTIVE | Verify |
| ASHLAND EQUINE SECURITY OF ILL INC | Business | 117000790 | DES PLAINES | NOT RENEWED | Verify |
| ASHLAND EQUINE SECURITY OF ILLINOIS INC | Business | 122000639 | LA GRANGE | NOT RENEWED | Verify |
| ASI BUILDING SECURITY INC | Business | 122001260 | HILLSIDE | CLOSED | Verify |
| ASI SECURITY INC | Business | 117000436 | HILLSIDE | ACTIVE | Verify |
| ASI SECURITY INC | Business | 122000379 | HILLSIDE | ACTIVE | Verify |
| ASI SECURITY INC | Business | 122000379 | HILLSIDE | ACTIVE | Verify |
| ASI SECURITY INC | Business | 117000436 | HILLSIDE | ACTIVE | Verify |
| ASI SECURITY INC | Business | 123000228 | ROCKFORD | NOT RENEWED | Verify |