ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 7 SOURCES
Operating signal within 12 months from two or more independent sources.
Their homepage, crawled AUG 2026
What they make
Motor Vehicle Electrical and Electronic Equipment Manufacturing336320- lightbars
- light arrays
- beacons
- warning systems
- Dynamic Variable Intensity
- Vehicle-to-Vehicle Sync technologies
- first responders
- aviation
- motorsports
- mass notification
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Products
Sold by WHELEN ENGINEERING COMPANY, INC. · 13
Amplifiers · Electric Lamps · Electric Vehicular Lights And Fixtures · Hardware, Commercial · Headsets, Handsets, Microphones And Speakers · Indoor And Outdoor Electric Lighting Fixtures · Miscellaneous Alarm, Signal, And Security Detection Systems · Miscellaneous Electrical And Electronic Components · Miscellaneous Vehicular Components · Optoelectronic Devices And Associated Hardware · Passenger Motor Vehicles · Relays And Solenoids · Ship And Boat Propulsion ComponentsRecorded against the company rather than this address. Federal award and drug records name the company, not the plant, so we cannot say which of its sites makes these.
Where these came from
13 from usaspending_psc · Federal registry
Supplied under federal award SPE7M122F475B (2022-06-02), PSC . An award shows what the government bought from this company; it does not establish which of its sites made it.
CAREERS
Careers page — seen SEP 8, 2026
Where it is
41.38867, -72.50707 · CENSUS TIGER
METRO AREA
ON GOOGLE MAPS
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| L.c.doane Company,the | Ivoryton | Electric Lighting Equipment Manufacturing 335122 | ACTIVE | 7.3 KM |
| Canton, INC. | North Branford | Sheet Metal Work Manufacturing 332322 | ACTIVE | 23.4 KM |
| Oxley,inc. | Branford | Other Aircraft Parts and Auxiliary Equipment Manufacturing 336413 | ACTIVE | 24.1 KM |
| Lyons Tool & Die Company,the | Meriden | Metal Crown, Closure, and Other Metal Stamping (except Automotive) 332119 | ACTIVE | 25.7 KM |
| Gorman Performance Engineering LLC | Rocky Hill | Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing 336330 | ACTIVE | 31.5 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
7 sources hold this plant, and 11 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
EPA cross-references this facility in NPDES, OSHA-OIS, RCRAINFO, SIMS, TRIS · EPA site type STATIONARY.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord K93HX96LHLE5 · first seen OCT 2025 · last seen SEP 2026
- Connecticut Secretary of the State business registryOPERATINGRecord CT:001t000000WmTfHAAV · first seen AUG 2026 · last seen AUG 2026
- OSHA injury and illness reportsOPERATINGRecord 1172461 · first seen DEC 2025 · last seen DEC 2025
- DOL Form 5500 retirement plan filingsOPERATINGRecord 060725110|CT|06412|51 winthrop rd · first seen DEC 2024 · last seen AUG 2025
- EPA Toxics Release InventoryOPERATINGfirst seen DEC 2024 · last seen DEC 2024
- EPA Facility Registry ServiceEXISTENCERecord 110008305869 · first seen MAY 2016 · last seen MAY 2016
ALSO RECORDED ASWHELEN ENGINEERING COMPANY; Whelen Engineering Company, Inc. - Connecticut
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- NameSOURCES DISAGREE
- EPA: WHELEN ENGINEERING COMPANY · JUL 2026
- SAM.gov: WHELEN ENGINEERING COMPANY, INC. · SEP 2026 · ON THIS PAGE
- Street addressSOURCES DISAGREE
- EPA: 51 WINTHROP RD · JUL 2026
- SAM.gov: 51 WINTHROP ROAD · SEP 2026 · ON THIS PAGE
- City
- EPA: CHESTER · JUL 2026 · ON THIS PAGE
- SAM.gov: CHESTER · SEP 2026 · ON THIS PAGE
- State
- EPA: CT · JUL 2026 · ON THIS PAGE
- SAM.gov: CT · SEP 2026 · ON THIS PAGE
- CoordinatesSOURCES DISAGREE
- Census geocoder: 41.387964868829,-72.507468965945 · JUL 2026
- EPA: 41.38867,-72.50707 · JUL 2026 · ON THIS PAGE
- Employees (band)
- OSHA: 500+ · DEC 2025
- Website
- SAM.gov: www.whelen.com · SEP 2026
- CAGE code
- SAM.gov: 10402 · SEP 2026
- Retirement plan filing (Form 5500)
- DOL: 1,836 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2027-08-28 · SEP 2026
- State business registrationSOURCES DISAGREE
- CT SOTS: WHELEN ENGINEERING COMPANY, INC., registered with the Connecticut Secretary of the State; Corporation; formed 1957-08-28; active, annual report filed 2026-08-07 · AUG 2026
- Sunbiz: WHELEN ENGINEERING COMPANY, INC., registered with the Florida Department of State, Division of Corporations; Corporation formed in Connecticut; registered 2019-01-11; active, annual report filed 2026-02-03 · FEB 2026
- OR SOS: WHELEN ENGINEERING COMPANY, INC., registered with the Oregon Secretary of State, Corporation Division; Corporation formed in Connecticut; registered 2020-03-12; active · MAR 2020
- TX Comptroller: WHELEN ENGINEERING CO INC, registered with the Texas Comptroller of Public Accounts; Corporation; active