State Licensed Security Companies in Chicago — Page 2

ACTION LOCK & KEY INC

ACTIVE ALARM CO INC

ACTIVE LOCK AND KEY SERVICES LTD

ACTS AIRPORT SERVICES, INC.

ACUMEN PROBE LLC

ADCO PREVENTIVE SECURITY SYSTEMS INC

ADDISON & ASSOCIATES SECURITY LTD

ADIM PROTECTION AGENCY INC

ADMIRAL SECURITY SERVICES INC

ADT LLC OF DELAWARE

ADVANCE CRITICAL ASSET PROTECTION INC.

ADVANCED DATA TECHNOLOGIES INC

ADVANCED FIRE & SECURITY SYSTEMS INC

ADVANCED FIRE PROTECTION AND SAFETY INC

ADVANCED INVESIGATIONS & SECURITY INC.

ADVANCED SECURITY SOLUTIONS INC

ADVANCED WIRING SOLUTIONS INC

ADVANTAGE ELECTRIC & TECHNOLOGIES LLC

AEGIS SECURITY GROUP

AEMMA TECHNOLOGY SOLUTIONS INC

AEROSHIELD INC

AESIR PROTECTIVE GROUP, INCORPORATED

AF SECURITY SERVICES, INC.

AFFILIATED CUSTOMER SERVICE INC

AGB INVESTIGATIVE SERVICES INC

AIRTIGHT SECURITY LLC

ALARM DETECTION SYSTEMS INC

ALARM MAX INC

ALARM MONITORING INC

ALARM SECURITY INC

ALARM SPECIALTIES AND PROTECTION INC

ALBANY & WASHBURNE INC

ALERT FIRE SYSTEMS, INC

ALERT PROTECTIVE SERVICES LLC

ALERT PROTECTIVE, INC.

ALERTEC PROFESSIONAL SECURITY SERVICES

ALIAS INTELLIGENCE INC

ALL CHICAGO LOCKSMITH PLLC

ALL SECURE INC

ALL WIRED UP INC

ALL-AMERICAN INVESTIGATORS

ALLCOMM SYSTEMS INC

ALLEGIANT FIRE PROTECTION LLC

ALLIANCE SECURITY SERVICES INC

ALLIED UNIVERSAL COMPLIANCE AND INVESTIGATIONS, INC

ALLIED UNIVERSAL TECHNOLOGY SERVICES, PLLC

ALLPOINTS SECURITY AND DETECTIVE INC

ALM ENTERPRISES OF MCHENRY LTD