History
Founded in 1960, Security Instrument Corporation, a privately held U.S. Corporation, provides electronic security and life safety detection and associated monitoring and support services.
You hear it on the news every day.
The list goes on. Cutting edge security technology is making it possible to deter violence and in many cases, save lives. Security Instrument is always hiring bright, motivated and forward thinking individuals to fill critical positions in sales, installation, service, and administrative positions.
Submit your resume today. SI is a leading, local security provider in an $80 billion a year growth industry.
The power of personalized service. Protecting what matters since 1960.
Founded in 1960, Security Instrument Corporation, a privately held U.S. Corporation, provides electronic security and life safety detection and associated monitoring and support services.
Security Instrument offers an full line of services from professionally engineered system designs and turnkey installation services, to 24 hour system monitoring.
Security Instrument is Delaware’s largest full-service independently-owned security company, serving thousands of customers throughout Delaware, MD, NJ & PA.