Notifier by Honeywell
First Command emergency communication system interfaces with virtually any commercial fire alarm to provide a system for broadcasting live and as many as 14 pre-recorded messages, with a maximum message length of one minute. Can also be used for live paging or background music. Supports a combination of up to eight remote control panels and microphone consoles.
Russelectric: Centralized Paralleling Systems
SC Johnson Professional: Alcare Extra with OPTIDOSE
Horton Automatics: BH Slider
Kimball International: Shore
Protimeter: Aquant