| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| ADVANCED ALARM | Business | 127000989 | POSEN | NOT RENEWED | Verify |
| ADVANCED ARMORED TRAINING ACADEMY LLC | Business | 102000394 | CHICAGO | ACTIVE | Verify |
| ADVANCED DATA TECHNOLOGIES INC | Business | 127001753 | NAPERVILLE | ACTIVE | Verify |
| ADVANCED FIRE & SECURITY SYSTEMS INC | Business | 127001144 | LOMBARD | NOT RENEWED | Verify |
| ADVANCED FIRE & SECURITY SYSTEMS INC | Business | 127001144 | LOMBARD | NOT RENEWED | Verify |
| ADVANCED FIRE & SECURITY SYSTEMS INC | Business | 127001237 | ALSIP | ACTIVE | Verify |
| ADVANCED FIRE PROTECTION AND SAFETY INC | Business | 127001590 | LIBERTYVILLE | ACTIVE | Verify |
| ADVANCED FORENSIC INVESTIGATIONS LTD | Business | 117001713 | GREENVILLE | NOT RENEWED | Verify |
| ADVANCED HOME SYSTEMS INC | Business | 127001038 | WHEATON | NOT RENEWED | Verify |
| ADVANCED INVESIGATIONS & SECURITY INC. | Business | 122001487 | WHEATON | ACTIVE | Verify |
| ADVANCED INVESTIGATIONS & SECURITY INC. | Business | 117001832 | WHEATON | ACTIVE | Verify |
| ADVANCED INVESTIGATIVE SERVICES INC | Business | 117000899 | NASHVILLE | ACTIVE | Verify |
| ADVANCED INVESTIGATIVE SERVICES INC | Business | 122001103 | NASHVILLE | ACTIVE | Verify |
| ADVANCED LOCK & KEY SECURITY INC | Business | 192000244 | PARK RIDGE | NOT RENEWED | Verify |
| ADVANCED PRIVATE INVESTIGATIONS AND PERSONAL PROTECTION SERVICES | Business | 117001214 | CHICAGO | NOT RENEWED | Verify |
| ADVANCED PROTECTION SYSTEMS INC | Business | 127000567 | WARRENVILLE | NOT RENEWED | Verify |
| ADVANCED RESEARCH GROUP INC | Business | 117001361 | SUGAR GROVE | NOT RENEWED | Verify |
| ADVANCED SECURITY GROUP INC | Business | 127001279 | CHICAGO | NOT RENEWED | Verify |
| ADVANCED SECURITY SOLUTIONS INC | Business | 122001137 | DES PLAINES | ACTIVE | Verify |
| ADVANCED SECURITY SOLUTIONS INC | Business | 117001687 | DES PLAINES | NOT RENEWED | Verify |
| ADVANCED SECURITY SOLUTIONS INC | Business | 262000128 | DES PLAINES | ACTIVE | Verify |
| ADVANCED SECURITY TECHNOLOGIES INC | Business | 127001222 | LAKE ZURICH | NOT RENEWED | Verify |
| ADVANCED SYSTEMS TECHNOLOGY INCORPORATED | Business | 127000978 | ROLLING MEADOWS | NOT RENEWED | Verify |
| ADVANCED TECHNOLOGIES LLC | Business | 127000985 | NILES | NOT RENEWED | Verify |
| ADVANCED TRAINING SOLUTIONS LLC | Business | 102000353 | DES PLAINES | ACTIVE | Verify |
| ADVANCED WIRING SOLUTIONS INC | Business | 127001506 | ALSIP | ACTIVE | Verify |
| ADVANCETECH SECURITY & WIRING LLC | Business | 127001346 | CHICAGO | NOT RENEWED | Verify |
| ADVANTAGE ELECTRIC & TECHNOLOGIES LLC | Business | 127001400 | ALSIP | ACTIVE | Verify |
| ADVANTAGE PROCESSING AND INVESTIGATIONS, LLC | Business | 117001775 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| ADVENT SYSTEMS INC | Business | 127000907 | ELMHURST | NOT RENEWED | Verify |
| ADVOCATE 7 INC | Business | 201000034 | CHICAGO | CLOSED | Verify |
| ADVOCATE AURORA HEALTH INC | Business | 120500180 | OAK LAWN | ACTIVE | Verify |
| ADVOCATE HEALTH CARE NETWORK | Business | 120500092 | DOWNERS GROVE | NOT RENEWED | Verify |
| ADVOCATE INVESTIGATORS LTD | Business | 117001182 | OAK PARK | NOT RENEWED | Verify |
| ADVOCATE NORTHSIDE HEALTH NETWORK | Business | 120500086 | CHICAGO | NOT RENEWED | Verify |
| ADVOCATE TRINITY HOSPITAL | Business | 120100044 | CHICAGO | ACTIVE | Verify |
| AEC FIRE-SAFETY & SECURITY INC | Business | 127000464 | SPRINGFIELD | ACTIVE | Verify |
| AEGIS RISK MANAGMENT INC | Business | 117001677 | SUGAR GROVE | NOT RENEWED | Verify |
| AEGIS SECURITY GROUP | Business | 127001881 | MCHENRY | ACTIVE | Verify |
| AEGIS SECURITY INC | Business | 122001003 | BLOOMINGDALE | INOPERATIVE | Verify |
| AEGIS SECURITY SYSTEMS INC | Business | 127000291 | PEARL CITY | NOT RENEWED | Verify |
| AEGIS SERVICES LTD | Business | 122000426 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| AEMMA TECHNOLOGY SOLUTIONS INC | Business | 127001510 | ORLAND PARK | ACTIVE | Verify |
| AEROSHIELD INC | Business | 122001494 | SOUTH BARRINGTON | ACTIVE | Verify |
| AEROSHIELD INC | Business | 117001809 | SOUTH BARRINGTON | ACTIVE | Verify |
| AESIR PROTECTIVE GROUP, INCORPORATED | Business | 102000421 | TINLEY PARK | ACTIVE | Verify |
| AF SECURITY SERVICES | Business | 122000588 | WADSWORTH | NOT RENEWED | Verify |
| AF SECURITY SERVICES INC | Business | 123000389 | OAK BROOK | NOT RENEWED | Verify |
| AF SECURITY SERVICES, INC. | Business | 122001565 | OAK BROOK | ACTIVE | Verify |
| AFFILIATED BANK | Business | 120500056 | FRANKLIN PARK | NOT RENEWED | Verify |