Verified Nov 2026
Lighting
·
Oak Brook, Illinois
·
Since 1901
Federal Signal Corporation is a United States manufacturer headquartered in Oak Brook, Illinois, founded in 1901. It is privately held and estimated to employ between 5,000 and 10,000 people, with an estimated revenue band of $1 to 5 billion. The company serves automotive, electric-vehicle, construction, medical, renewable-energy, and industrial-equipment customers. In a recent development, Federal Signal announced it would acquire Mega Corp. to expand its specialty metal extraction support platform, with the acquisition completed in January 2026.
Federal Signal Corporation at a glance
Revenue
$1-5B
Est. band
Employees
5,000-10,000
Founded
1901
Headquarters
Oak Brook, Illinois
Certifications
ISO 9001
Industries
Automotive
Electric Vehicles
Construction
Medical
Renewable Energy
Industrial Equipment
STABILITY SIGNALS
Established & active
125 years in operation (founded 1901).
Holds ISO 9001 certification(s) per public sources.
Overview
Federal Signal Corporation is a United States manufacturer headquartered in Oak Brook, Illinois, founded in 1901. It is privately held and estimated to employ between 5,000 and 10,000 people, with an estimated revenue band of $1 to 5 billion. The company serves automotive, electric-vehicle, construction, medical, renewable-energy, and industrial-equipment customers. In a recent development, Federal Signal announced it would acquire Mega Corp. to expand its specialty metal extraction support platform, with the acquisition completed in January 2026.
At a glance
Attribute | Detail |
|---|---|
Founded | 1901 |
Headquarters | Oak Brook, Illinois |
Employees | 5,000-10,000 |
Revenue | $1-5B (estimated) |
Primary capability | Lighting |
Certifications | ISO 9001 |
What Federal Signal Corporation makes
The company holds ISO 9001 certification and lists aluminum and steel among its products.
Products and capabilities described on the company's own site include Aluminum, Steel (source: federalsignal.com).
Certifications
Federal Signal Corporation is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — fedsig.com
Latest developments
2026-10-29 — Federal Signal News (federalsignal.com)
2026-10-28 — Federal Signal Expands Vacuum Truck Portfolio by Acquiring Global Vacuum Systems (federalsignal.com)
2026-06-12 — Federal Signal Provides Update on Streator, Illinois Facility; Announces Signing of Definitive Agreement to Acquire Western Technology (federalsignal.com)
2026-01-16 — Federal Signal Completes Acquisition of Mega Corp. (federalsignal.com)
2025-12-18 — Federal Signal to Acquire Mega Corp.; Expand Specialty Metal Extraction Support Platform (federalsignal.com)
2025-11-26 — Federal Signal Completes Acquisition of New Way Trucks; Raises Full-Year 2025 Outlook (federalsignal.com)
Facilities
Federal Signal Corporation is headquartered in Oak Brook, Illinois. Public sources also reference these locations:
Streator, Illinois — federalsignal.com
Albuquerque, New Mexico — federalsignal.com
Company details
Federal Signal operates manufacturing facilities in Streator, Illinois, and Albuquerque, New Mexico. Federal Signal Corporation was founded in 1901, has an estimated 5,000-10,000 employees, and is headquartered in Oak Brook, Illinois. On the LightSource stability read it is rated "Established & active": 125 years in operation (founded 1901). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Federal Signal Corporation make?
Federal Signal Corporation is a United States manufacturer headquartered in Oak Brook, Illinois, founded in 1901. It is privately held and estimated to employ between 5,000 and 10,000 people, with an estimated revenue band of $1 to 5 billion. The company serves automotive, electric-vehicle, construction, medical, renewable-energy, and industrial-equipment customers. In a recent development, Federal Signal announced it would acquire Mega Corp. to expand its specialty metal extraction support platform, with the acquisition completed in January 2026.
Where is Federal Signal Corporation headquartered?
Federal Signal Corporation is headquartered in Oak Brook, Illinois (1415 22nd Street, Oak Brook, Illinois, 60523).
When was Federal Signal Corporation founded?
Federal Signal Corporation was founded in 1901.
How big is Federal Signal Corporation?
Federal Signal Corporation has an estimated 5,000-10,000 employees, with revenue in the $1-5B range (estimated).
What certifications does Federal Signal Corporation hold?
Federal Signal Corporation lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
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Last verified Nov 2026. Is this your company? Request a correction.
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