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1955
1955
Beacon Ray Innovation
Black-and-white image of a vintage Missouri State Highway Patrol car parked on grass, equipped with roof sirens and a loudspeaker.

Federal Signal’s first police car light was the Beacon Ray. This iconic, rotating “gumball” warning beacon became the standard for emergency vehicles, paving the way for the invention of the world’s first completely enclosed light bar.

1955
Critical Communication Solutions
Black and white advertisement for Vibratone Bells showing various bell models, emphasizing their new, modular, heavy-duty design and revolutionary features in the bell market.

Our visual and audible signaling solutions for factories, offshore platforms, and school campuses provide clear communication to workers and communities when it matters most.

1958
1958
Blue Island Relocation
Black-and-white photo of a mid-century modern office building with a curved entrance, parked cars in front, and leafless trees on the right.

Moved the main plant from 87th & State Streets on Chicago’s South Side to Blue Island, Illinois, establishing a major manufacturing hub through the 1960s and 1970s.

1970
1970
Corporate Name Adoption
Federal Signal logo with a red geometric "FS" symbol on the left and "FEDERAL SIGNAL" in bold white capital letters on a dark blue background.

Adopts the name Federal Signal Corporation, signaling a shift toward advanced signaling, safety, and security technologies and solutions.

1982
1982
University Park Expansion
A large industrial building with a circular driveway, surrounded by trees and an empty parking lot under a blue sky with a few clouds.

Moves manufacturing and operation to University Park, Illinois, where it resides today, strengthening the production base for essential safety and security systems.

2026
2026
Who We Are Today
Person with long blonde hair in a ponytail, wearing a bandana and a "Protect Honor Serve" T-shirt, works at an industrial machine with blue and silver components.

A leading innovator and manufacturer of visual and audible warning systems, delivering integrated technology-driven solutions to enhance operational efficiency and support safer communities.

750 Series Software Download – Appl750 Series Software Download – Windows

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Clearing the Path

Rumbler® and Multi-Tone Capability for Maximum Response Where It’s Needed Most

 

A police car with flashing lights follows a red car on a street lined with buildings, viewed from above.

Power You Can Feel

Rumbler low frequencies deliver up to 10 dB more sound pressure inside civilian vehicles near your emergency vehicle — getting attention and clearing traffic more effectively than a standard siren tone.

Multi-Tone Advantage

 

Provides a 50% increase in audible warning distance vs. a single-speaker/single-tone system. Multi-tone creates the perception of a multi-vehicle, emergency response ideal for highway patrol.

 

A red car approaches two police cars with flashing lights parked in adjacent lanes on a road with dashed white lane markings.

 

Clearing the Path

Rumbler® and Multi-Tone Capability for Maximum Response Where It’s Needed Most

 

A police car with flashing lights follows a red car on a street lined with buildings, viewed from above.

Power You Can Feel

Rumbler low frequencies deliver up to 10 dB more sound pressure inside civilian vehicles near your emergency vehicle — getting attention and clearing traffic more effectively than a standard siren tone.

Multi-Tone Advantage

 

Provides a 50% increase in audible warning distance vs. a single-speaker/single-tone system. Multi-tone creates the perception of a multi-vehicle, emergency response ideal for highway patrol.

 

A red car approaches two police cars with flashing lights parked in adjacent lanes on a road with dashed white lane markings.
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