Major Outdoor Warning Siren Brands

The following are the most common brands of outdoor warning sirens (storm siren, tornado sirens, etc.) found in the United States.

American Signal Corporation

American Signal Corporation (ASC) is a manufacturer of outdoor warning systems and emergency notification software. The company is headquartered in Milwaukee, Wisconsin, and has been in operation since 1982. ASC manufactures electromechanical and electronic sirens.

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Federal Signal Corporation

Federal Signal Corporation (FS) is a manufacturer of outdoor warning systems, indoor warning systems, mass notification systems, and emergency notification software. The company is headquartered in University Park, Illinois, and has been in operation since 1901. Federal Signal manufactures electromechanical and electronic sirens.

Whelen Engineering

Whelen is a manufacturer of outdoor warning systems. The company is headquartered in Chester, Connecticut, and has been in operation since 1952. Whelen manufactures electronic sirens.

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Sentry Siren

Sentry is a manufacturer of outdoor warning sirens. The company is headquartered in Penrose, Colorado, and has been in operation since 1972. Sentry manufactures electromechanical sirens.

ATI Systems

Acoustic Technology Inc. (ATI) is a manufacturer of outdoor warning sirens and other emergency alerting systems. The company is headquartered in Boston, Massachusetts and has been in operation since 1981. ATI manufactures electronic sirens.

Mass Notification Research - Connecting Communities

Brands on this page are shown in no particular order.

When making a decision for your community it is critical that you research your options, call references, and discuss with your colleagues.

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