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Whelen Engineering Company, INC.

51 Winthrop Road, Chester, CT 06412

ACTIVELAST SEEN IN FEDERAL DATA AUG 2026 · 4 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of Whelen Engineering Company, INC.
Their homepage, crawled AUG 2026

What they make

Motor Vehicle Electrical and Electronic Equipment Manufacturing336320

Whelen Engineering manufactures warning and notification systems for first responders, including lightbars, lightheads, beacons, and mass notification products. The company's products incorporate Dynamic Variable Intensity and Vehicle-to-Vehicle Sync technologies for emergency vehicle lighting. Whelen Engineering serves aviation, motorsports, and first responder industries.

SUMMARIZED FROM THE COMPANY’S OWN WEBSITE

Where it is

41.38867, -72.50707 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

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Every listed plant in Lower Connecticut River Valley County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 4 FEDERAL SOURCES, 9 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in NPDES, OSHA-OIS, RCRAINFO, SIMS, TRIS · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
COMPANY SITEOPERATINGJUL 2026AUG 2026
OSHA ITAOPERATINGDEC 2025DEC 2025
SAM GOVOPERATINGOCT 2025OCT 2025
EPA FRSEXISTENCEMAY 2016MAY 2016
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVOCT 2025
CAGE CODESAM GOVOCT 2025
CITYEPA FRSJUL 2026
CITYSAM GOVOCT 2025
EMPLOYEE BANDOSHA ITADEC 2025
GEOMCENSUS GEOCODERJUL 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVOCT 2025
REGISTRATION EXPIRATIONSAM GOVOCT 2025
STATEEPA FRSJUL 2026
STATESAM GOVOCT 2025
WEBSITESAM GOVOCT 2025

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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