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Baltimore, MD

(410) 653-9568

Welcome to A-1 Security Systems Baltimore

For over twenty years we have served the Baltimore Metro, Washington D.C. and Northern Virginia area.

Commercial Fire Alarms

  • Large or Small Buildings  Office Buildings, Day Cares
  • Design to Meet Code
  • Inspections and Drawings
  • Combination Burglar and Fire Protection
  • Monitor Sprinkler and Water Flow
  • Service Existing Systems

 We Service all Brands

Silent Knight