NOTIFIER has been a leading-edge manufacturer of fire alarm systems for over 55 years.

2005	NOTIFIER introduces two revolutionary new fire and life safety products:, ONYX ExitPoint—an audible exit sign that can reduce evacuation times by 75%; and ONYX FirstVision—a interactive touch screen PC that helps firefighters pinpoint the origin and migration of a fire.
2001	NOTIFIER launches the ONYX Series of intelligent fire alarm control panels,
2000	NOTIFIER develops the UniNet 2000 fire and security monitoring system, the first and only of its kind capable of interfacing with other manufacturers’ fire systems.
1999	Honeywell International, Inc. purchases Pittway Corp. NOTIFIER becomes part of Honeywell's Fire Solutions Group.
1996	NOTIFIER introduces "Laser" based spot type intelligent detector.
1993	NOTIFIER becomes the first in the industry to be approved under ISO 9001 standards. First to move analog intelligent systems into the "small" building category
1988	NOTIFIER moves to new quarters in Northford, Connecticut approximately 252,000 square feet.
1987	NOTIFIER acquired by the Pittway Corporation.
1968	NOTIFIER sold to Emhart Corporation, the firm occupied a building totaling 40,000 square feet. Another 20,000 square feet was added to accommodate the manufacturing of smoke detectors and the designing of microprocessor-controlled panels and integrated audio/voice evacuation systems.
1962	NOTIFIER selected to provide the fire detection system for the Seattle World's Fair.
1956	NOTIFIER Manufacturing Company assets transferred to the newly formed NOTIFIER Corporation in Lincoln, NE.
1949	Founded as the NOTIFIER Manufacturing Company by Oliver T. Joy in Waverly, Nebraska.