Fire Signal System Maintenance 1010 18th Ave Newark, NJ 07106 Phone : (973) 733-7485 Business Category Fire Departments Newark City Of--fire Department City Hall, Other Fire Business, Fire Signal System Maintenance Construction 56 Prospect Newark, NJ 07101 Phone : (973) 733-7485 Business Category Fire Departments Government Offices & Public Schools Fire Signal System Maintenance 344 Springfield Ave Newark, NJ 07103 Phone : (973) 733-7485 Business Category Government Offices-City Village & Twp Fire Departments Government Offices State & Local Government Offices & Public Schools