This is a list of civil defense sirens.
Alerting Communicators of America (ACA) sirens
ACA Allertor ACA Cyclone ACA Hurricane
ATI sirens ATI HPSS
Federal Signal sirens
Thunderbolt (siren) Federal Signal 3T22 / 2T22 Federal Signal Model 2 Federal Signal Modulator Federal Signal STH-10
Other Chrysler Air-Raid Siren Sentry Siren SiraTone Decot Heath Siren