Security Companies in Chicago — Page 13

LUNA SECURITY SERVICES INC

LV TECH INC

LYONS GLOBAL INVESTIGATIONS LLC

M & R ELECTRONIC SYSTEMS INC

M & S SECURITY SYSTEMS INC

MABMA ENTERPRISES LLC

MAC SYSTEMS LTD

MACK SECURITY & DETECTIVE AGENCY, INC.

MADIKEN SECURITY LLC

MAGNUM SECURE 365 INC

MAJOR LINKS SECURITY AND CONSULTING PLLC

MALKO COMMUNICATIONS SERVICES LLC

MARK INTERNATIONAL OF ILLINOIS INC

MARKSMAN SECURITY CORPORATION

MARMIC FIRE & SAFETY CO INC

MARSHALL INVESTIGATIVE GROUP INC

MASTEC NORTH AMERICA INC

MAXIMUM SECURITY INC

MAXX LOCKSMITH & SECURITY CO

MBT SOLUTIONS INC

MCCARTHY BYRNES PLLC

MCTOY DIAGNOSTICS, PLLC

MEADE ELECTRIC CO INC

MECHANICAL SYSTEMS INC

MEGA SECURITY LTD

MEGA SECURITY SERVICES LLC

MENSER SECURITY AND TRAINING AGENCY

MERCER & SHEEHAN INC

MERIDIAN ALARM SYSTEMS INC

METRO PROTECTION LLC

METRO SECURITY FORCE INC

METROPOLITAN ENFORCEMENT GROUP LLC

MFORT SECURITY SERVICES PLLC

MGN LOCK-KEY AND SAFES INC

MICRO-EYE SECURITY SYSTEMS INC

MIDLEA

MIDWEST ALARM SERVICES INC

MIDWEST INVESTIGATIONS & DETECTIVE AGENCY INC

MIDWEST INVESTIGATIONS INC

MIDWEST INVESTIGATIVE AGENCY LLC

MIDWEST LOCKOUTS LLC

MIDWEST SECURITY FORCES LLC

MIG LLC

MILAN SIPIC

MILLENNIUM INVESTIGATIONS INC

MITHRA, PLLC

MOBILE LOCK & SAFE INC

MOBILE LOCKSMITH SERVICES INC