| AMERICAN MONITORING CENTRE INC | Business | 127000415 | KANKAKEE | NOT RENEWED | Verify |
| AMERICAN NATIONAL BANK AND TRUST | Business | 120000069 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN NATIONAL BANK SECURITY | Business | 120500013 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN PATRIOT SECURITY | Business | 122001239 | MUNDELEIN | NOT RENEWED | Verify |
| AMERICAN PATROL INC | Business | 122000111 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN PATROL INC | Business | 117000352 | CHICAGO | INOPERATIVE | Verify |
| AMERICAN POLISH DETECTIVE INC | Business | 117001409 | ELK GROVE VILLAGE | NOT RENEWED | Verify |
| AMERICAN PREMIER SECURITY INC | Business | 122001004 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN PRIDE SECURITY SERVICES INC | Business | 122000995 | BLOOMINGDALE | NOT RENEWED | Verify |
| AMERICAN PROTECTION PROFESSIONALS | Business | 122000917 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN PROTECTIVE SERVICES INC | Business | 127000408 | SCHAUMBURG | NOT RENEWED | Verify |
| AMERICAN PROTECTIVE SERVICES INC | Business | 117000584 | NORTHBROOK | NOT RENEWED | Verify |
| AMERICAN PROTECTIVE SERVICES INC | Business | 122000504 | DOWNERS GROVE | NOT RENEWED | Verify |
| AMERICAN PUBLIC DEFENSE INC | Business | 122001420 | FLOSSMOOR | ACTIVE | Verify |
| AMERICAN PUBLIC DEFENSE INC | Business | 122001420 | FLOSSMOOR | ACTIVE | Verify |
| AMERICAN SAFE & LOCK COMPANY | Business | 192000137 | LOMBARD | NOT RENEWED | Verify |
| AMERICAN SECURITY AGENTS | Business | 201000152 | LINCOLNWOOD | ACTIVE | Verify |
| AMERICAN SECURITY ALARMS INC | Business | 127000847 | ST CHARLES | NOT RENEWED | Verify |
| AMERICAN SECURITY AND FIREARMS ACADEMY, INC | Business | 102000258 | PALOS HEIGHTS | ACTIVE | Verify |
| AMERICAN SECURITY AND PROTECTION INC | Business | 122000954 | FLOSSMOOR | NOT RENEWED | Verify |
| AMERICAN SECURITY CONSULTANTS INC | Business | 122000176 | HINSDALE | NOT RENEWED | Verify |
| AMERICAN SECURITY CONSULTANTS INC | Business | 127000073 | HINSDALE | NOT RENEWED | Verify |
| AMERICAN SECURITY CONSULTANTS INC | Business | 117000305 | HINSDALE | NOT RENEWED | Verify |
| AMERICAN SECURITY FORCE LTD | Business | 122000697 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN SECURITY FORCE,LTD | Business | 127000234 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN SECURITY GUARD FORCE INC | Business | 122001516 | FOREST PARK | NOT RENEWED | Verify |
| AMERICAN SECURITY GUARD SERVICES INC | Business | 122001028 | FOREST PARK | NOT RENEWED | Verify |
| AMERICAN SECURITY GUARD SERVICES INC | Business | 123000305 | CHICAGO | CLOSED | Verify |
| AMERICAN SECURITY PROFESSIONALS INC | Business | 127000529 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN SECURITY PROFESSIONALS INC | Business | 122000396 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN SECURITY PROFESSIONALS INC | Business | 117000454 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN SECURITY PROFESSIONALS INC | Business | 102000071 | CHICAGO | ACTIVE | Verify |
| AMERICAN SECURITY SERVICES INC | Business | 122000457 | FOREST PARK | ACTIVE | Verify |
| AMERICAN SECURITY SERVICES, LLC | Business | 262000031 | FOREST PARK | ACTIVE | Verify |
| AMERICAN SECURITY SERVICES, LLC | Business | 117000592 | FOREST PARK | NOT RENEWED | Verify |
| AMERICAN SECURITY SYSTEMS INC | Business | 127000845 | AURORA | NOT RENEWED | Verify |
| AMERICAN SECURITY TRAINING INSTITUTE | Business | 102000032 | CHICAGO | ACTIVE | Verify |
| AMERICAN SECURITY TRAINING INSTITUTE | Business | 201000119 | CHICAGO | ACTIVE | Verify |
| AMERICAN SENTINEL INC | Business | 117001777 | HOFFMAN ESTATES | ACTIVE | Verify |
| AMERICAN STRATEGIC CONSULTING PLLC | Business | 122001701 | ANNA | ACTIVE | Verify |
| AMERICAN SUBJECT CONTROL SYSTEMS INC | Business | 102000325 | DARIEN | ACTIVE | Verify |
| AMERICAN TECHNOLOGY CONSULTANTS LTD | Business | 122000476 | CHICAGO | NOT RENEWED | Verify |
| AMERICAN VENDING SALES INC | Business | 120100082 | ELK GROVE VILLAGE | CLOSED | Verify |
| AMERIGUARD SECURITY & COMMUNICATIONS INC | Business | 127000883 | LAKE VILLA | NOT RENEWED | Verify |
| AMERITRAK DETECTIVE AGENCY INC | Business | 117001376 | BLOOMINGDALE | NOT RENEWED | Verify |
| AMERITRAK DETECTIVE AGENCY INC | Business | 122001051 | BLOOMINGDALE | NOT RENEWED | Verify |
| AMERITRAK INVESTIGATIONS | Business | 117001081 | BLOOMINGDALE | NOT RENEWED | Verify |
| AMERITRAK INVESTIGATIONS INC | Business | 117001179 | BLOOMINGDALE | NOT RENEWED | Verify |
| AMERITRAK INVESTIGATIONS INC | Business | 122000891 | BLOOMINGDALE | NOT RENEWED | Verify |
| AMERITRAK SECURITY | Business | 122000827 | BLOOMINGDALE | NOT RENEWED | Verify |