Facility	City	Industry	Status	Distance
Plug-in Storage Systems, INC.	West Haven	Computer Storage Device Manufacturing 334112	ACTIVE	11.9 KM
Kenneth Lynch & Sons, Incorporated	Oxford	Other Concrete Product Manufacturing 327390	ACTIVE	12.3 KM
D.r. Curtiss Woodworking, INC.	Prospect	Nonupholstered Wood Household Furniture Manufacturing 337122	UNVERIFIED	14.2 KM
Tudor House Furniture CO INC	Hamden	Upholstered Household Furniture Manufacturing 337121	LIKELY ACTIVE	11.4 KM
E O Manufacturing Company, INC.	West Haven	Machine Shops 332710	LIKELY ACTIVE	14.7 KM

Every listed plant in Naugatuck Valley County

Also at this address

No other federal record shares this street address.

Where this record comes from

5 sources hold this plant, and 7 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.

The company’s own websiteOPERATING
first seen OCT 2026 · last seen OCT 2026
Connecticut Secretary of the State business registryOPERATING
Record CT:001t000000WmTDcAAN · first seen MAY 2026 · last seen MAY 2026
OSHA injury and illness reportsOPERATING
Record 518996 · first seen DEC 2025 · last seen DEC 2025
DOL Form 5500 retirement plan filingsOPERATING
Record 060897464|CT|06483|65 cogwheel ln · first seen DEC 2024 · last seen DEC 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record CT|seymour|65 cogwheel ln · first seen JAN 2021 · last seen JAN 2021

IN NAUGATUCK VALLEY COUNTY9 other plants share this one’s industry (Household and Institutional Furniture and Kitchen Cabinet Manufacturing, NAICS 3371); 2 of them have a size band on record.

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.

Coordinates: Census geocoder: 41.384312117987,-73.051729680738 · JUL 2026
Employees (band): OSHA: 20-99 · DEC 2025
Website: CT SOTS: https://portadoor.com/ · OCT 2026
Year established: CT SOTS: 1973 · MAY 1973
Retirement plan filing (Form 5500): DOL: 24 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x2, approved 2021-01-20, 42 jobs reported · JAN 2021
State business registration: CT SOTS: PORTA DOOR CO., registered with the Connecticut Secretary of the State; Corporation; formed 1973-05-25; active, annual report filed 2026-05-14 · MAY 2026

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