| AMERICA'S BEST INC | Business | 127000338 | WOODSTOCK | NOT RENEWED | Verify |
| AMERICAN ADVANCE SECURITY CO INC | Business | 127000185 | MORTON GROVE | NOT RENEWED | Verify |
| AMERICAN ALRMS HOME & INDSTRL SERV INC | Business | 127000335 | ROSELLE | NOT RENEWED | Verify |
| AMERICAN ANSWERING SERVICE | Business | 127000078 | WESTCHESTER | NOT RENEWED | Verify |
| AMERICAN BACKFLOW & FIRE PREVENTION INC | Business | 127001765 | WAUCONDA | ACTIVE | Verify |
| AMERICAN BACKHOE SERVICE & EXCAVATING CO, LLC | Business | 127001689 | UNIVERSITY PARK | INACTIVE | Verify |
| AMERICAN BANK NOTE COMPANY | Business | 120100064 | BEDFORD PARK | NOT RENEWED | Verify |
| AMERICAN BULLDOG SECURITY SERVICES LLC | Business | 102000313 | CHICAGO | ACTIVE | Verify |
| AMERICAN BULLDOG SECURITY SERVICES LLC | Business | 122001092 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN BULLDOG SECURITY SERVICES LLC | Business | 123000346 | ANTIOCH | NOT RENEWED | Verify |
| AMERICAN CABLE & TELEPHONE LLC | Business | 127001520 | AURORA | NOT RENEWED | Verify |
| AMERICAN CERTIFIED ELECTRICAL SERVICES INC | Business | 127001081 | NEW LENOX | NOT RENEWED | Verify |
| AMERICAN COMMERCIAL SECURITY SERVICES INC | Business | 123000356 | LISLE | NOT RENEWED | Verify |
| AMERICAN COMMERCIAL SECURITY SERVICES INC | Business | 122000427 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN COMMERCIAL SECURITY SERVICES INC | Business | 123000357 | BEARDSTOWN | NOT RENEWED | Verify |
| AMERICAN COMMERCIAL SECURITY SERVS INC | Business | 117000355 | CHICAGO | CANCELLED | Verify |
| AMERICAN COMMERICAL SECURITY SERVS INC | Business | 122000265 | CHICAGO | CANCELLED | Verify |
| AMERICAN COMMUNICATIONS | Business | 127000095 | BLOOMINGTON | NOT RENEWED | Verify |
| AMERICAN DETECTIVE AGENCY INC | Business | 117000194 | OAK FOREST | INOPERATIVE | Verify |
| AMERICAN DETECTIVE AGENCY INC | Business | 127000589 | OAK FOREST | INOPERATIVE | Verify |
| AMERICAN DETECTIVE AGENCY INC | Business | 122000433 | OAK FOREST | INOPERATIVE | Verify |
| AMERICAN DETECTIVE AGENCY INC ACADEMY | Business | 102000047 | CHICAGO | ACTIVE | Verify |
| AMERICAN DISTRICT TELEGRAPH CO | Business | 122000112 | ELMHURST | NOT RENEWED | Verify |
| AMERICAN DISTRICT TELEGRAPH CO | Business | 201000224 | ELMHURST | ACTIVE | Verify |
| AMERICAN EAGLE GUARD | Business | 122000575 | ELK GROVE VILLAGE | NOT RENEWED | Verify |
| AMERICAN EAGLE SECURITY AND | Business | 127000864 | LOMBARD | INOPERATIVE | Verify |
| AMERICAN EAGLE SECURITY INC | Business | 127000161 | OAK LAWN | ACTIVE | Verify |
| AMERICAN EMERGENCY SERVICES CORP | Business | 127000666 | ARLINGTON HEIGHTS | NOT RENEWED | Verify |
| AMERICAN EXPRESS TAX & BUSINESS SERVICES INC | Business | 117000991 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN FIRE & ELECTRIC INDUSTRIES INC | Business | 127000445 | NORMAL | INOPERATIVE | Verify |
| AMERICAN FIRE & SAFETY BUREAU INC | Business | 127000553 | FRANKLIN PARK | NOT RENEWED | Verify |
| AMERICAN FIRE & SECURITY INC | Business | 127000851 | OAK LAWN | NOT RENEWED | Verify |
| AMERICAN FIRE & SECURITY INC | Business | 128000043 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN FIRE & SECURITY LLC | Business | 127001489 | ORLAND PARK | NOT RENEWED | Verify |
| AMERICAN FIRE SYSTEMS INC | Business | 127001090 | NORMAL | NOT RENEWED | Verify |
| AMERICAN GUARD GROUP LLC | Business | 122001358 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN HERITAGE PROTECTIVE SERVICES INC | Business | 262000056 | ALSIP | ACTIVE | Verify |
| AMERICAN HERITAGE PROTECTIVE SERVICES INC | Business | 118000338 | PALOS HEIGHTS | CLOSED | Verify |
| AMERICAN HERITAGE PROTECTIVE SERVICES INC | Business | 123000313 | NILES | NOT RENEWED | Verify |
| AMERICAN HERITAGE PROTECTIVE SERVICES INC | Business | 123000436 | PALOS HEIGHTS | CLOSED | Verify |
| AMERICAN HERITAGE PROTECTIVE SERVICES INC | Business | 122000750 | ALSIP | ACTIVE | Verify |
| AMERICAN HERITAGE PROTECTIVE SERVICES INC | Business | 117000980 | ALSIP | INOPERATIVE | Verify |
| AMERICAN INVESTIGATION CONSULTANTS | Business | 201000073 | SOUTH HOLLAND | CLOSED | Verify |
| AMERICAN LOCK AND KEY, LLC | Business | 192000323 | WHEATON | NOT RENEWED | Verify |
| AMERICAN LOCKSMITHS OF LAKE COUNTY INC | Business | 192000136 | WINTHROP HARBOR | NOT RENEWED | Verify |
| AMERICAN MEDICAL ASSOC | Business | 120000044 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN MEDICAL RESOURCE INSTITUTE INC | Business | 120500132 | LAKE ZURICH | NOT RENEWED | Verify |
| AMERICAN MEDICAL RESOURCE INSTITUTE INC | Business | 102000314 | LAKE ZURICH | ACTIVE | Verify |
| AMERICAN MIDWEST BANK AND TRUST | Business | 120500050 | MELROSE PARK | NOT RENEWED | Verify |
| AMERICAN MIDWEST SECURITY | Business | 117000837 | CHICAGO | NOT RENEWED | Verify |