Security Instrument Corp.

28340 Lewes Georgetown Hwy
Milton DE 19968

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Opening Hours

  • Mon: 12am-12am
  • Tue: 12am-12am
  • Wed: 12am-12am
  • Thu: 12am-12am
  • Fri: 12am-12am
  • Sat: 12am-12am
  • Sun: 12am-12am


  • American Express
  • Check
  • Discover
  • Invoice
  • MasterCard
  • Visa

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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 is Delaware’s largest full-service independently-owned security and fire company, serving thousands of customers throughout Delaware, MD, NJ & PA.