Commercial/ Government Security Residential Security My CSG Security Contact       Schedule a service call Update Call Contacts Request an insurance certificate Nassau County Alarm Permit Nassau County Fire Marshall’s Support Alarm Testing       Consumer Security Group Inc. Licensed N.Y.S. Department of State     Consumers Security Group Inc., providing Residential, Commercial & Government Security Services. Central Station Monitoring. CCTV, Smoke & Fire detection. Serving Manhattan, Brooklyn, Queens, Nassau, & Suffolk Counties.   Phone 1-877-CSG-0551

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