SENTRYSIX® Critical Infrastructure Services Group (CISG) is the leader in trusted protection for critical infrastructure facilities and are capable of providing protective services around the world. CISG was designed to specifically provide advanced security capabilities to our corporate and government clients, through providing a full spectrum of security and managed support services to classified facilities.
Our firm maintains credibility and trustworthiness through the high levels of services and professionalism, which we provide to our clients.


Services Offered Include:

  • Armed Uniformed Security Specialists
  • Executive Protection
  • Regional Security Response Teams
  • Unmanned Aerial Surveillance Services
  • Remote Video Surveillance
  • Dispatch Security Response Services
  • Canine Detection and Patrols
  • Visitor Escort Services
  • Entry Control Point Services
  • Threat Vulnerability Assessments
  • Security Audit and Oversight