CONVENTIONAL, BI-WIRE, ADDRESSABLE SYSTEMS AND WIRELESS, INSTALLED AND MAINTAINED: ZITON, EATON/JSB/MENVIER, SMS SENTRY/GENT, CTEC, NOTIFIER, MORLEY, ADVANCED KENTEC, EDA, EMS, CONTROL EQUIPMENT/EMERGI-LIGHT, CQR, HAES, PROTECH, MINERVA, PREMIER, ZETA, FIRE DYNAMICS, MULTI-ALARM.