3Si is a leading technology solutions provider of enterprise level mission critical systems in South East. We have designed and delivered the best of breed, field proven security technologies and solutions in Critical Infrastructure, Homeland Security and Defense, Airports, Border Controls, Transportation, Oil and Gas, large Multi-National Corporation including Banking and Financial Institutions. 

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Technology Partners

Awards & Certification

  • Advance Access Control System
  • Advanced Biometric Systems
  • Augmented Reality
  • Behavioral Analytics
  • Emergency Mass Notification
  • High Security Crash Barrier
  • Intelligent Video Management
  • Perimeter Intrusion Detection
  • RFID, Asset Tracking & Fleet Management
  • Wide Area Panoramic Surveillance
  • X-Ray and Explosives Detection
  • Airport 
  • Critical Infrastructure
  • Corporate Enterprise
  • Energy, Oil & Gas
  • Government
  • Law Enforcement
  • Safe Cities
  • Transportation
  • Project Management
  • Systems Design
  • Professional Engineering
  • Professional Development and Training Programs
  • Command and Control Platform
  • Data Fusion & Aggregation
  • Business Intelligence
  • Analytics (Audio/Visual)
  • Multi-Modal Biometrics
  • Turnkey Systems Integration
  • Mission Critical Systems

20, Sin Ming Lane, 

Midview City, #07-58/59

Singapore 573968

Tel : +65 6297 5343

Fax: +65 6294 7276

Email: sales@3si.com.sg