Facility	City	Industry	Status	Distance
Summit Corporation of America	Thomaston	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	ACTIVE	2.2 KM
Unimetal Surface Finishing, LLC	Thomaston	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	ACTIVE	2.7 KM
Henlopen Manufacturing Company, INC.	Watertown	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	UNVERIFIED	2.8 KM
Seidel, INC.	Waterbury	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	LIKELY ACTIVE	5.3 KM
Philson, INC.	Watertown	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	LIKELY ACTIVE	6.4 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

6 sources hold this plant, and 12 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 EIS · EPA site type STATIONARY.

The company’s own websiteOPERATING
first seen OCT 2026 · last seen OCT 2026
Connecticut Secretary of the State business registryOPERATING
Record CT:001t000000WnWYYAA3 · first seen JAN 2026 · last seen JAN 2026
EPA Facility Registry ServiceEXISTENCE
Record 110071869870 · first seen JUN 2017 · last seen FEB 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2024 · last seen DEC 2024
DOL Form 5500 retirement plan filingsOPERATING
Record 271462805|CT|06787|670 waterbury rd · first seen DEC 2024 · last seen DEC 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record CT|thomaston|670 waterbury rd · first seen JAN 2021 · last seen JAN 2021

IN NAUGATUCK VALLEY COUNTY45 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 21 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.

Name: EPA: WHYCO FINISHING TECH INC · OCT 2026
Street address: EPA: 670 WATERBURY RD · OCT 2026
City: EPA: THOMASTON · OCT 2026
State: EPA: CT · OCT 2026
County (FIPS code): EPA: 09140 · OCT 2026
Coordinates: EPA: 41.645447,-73.080774 · OCT 2026
Employees (band): DOL: 1-19 · DEC 2024
Website: CT SOTS: https://whyco.com/ · OCT 2026
Year established: CT SOTS: 2009 · DEC 2009
Retirement plan filing (Form 5500): DOL: 16 active participants, plan year ending 2024-12-31, 2 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x2, approved 2021-01-28, 39 jobs reported · JAN 2021
State business registration: CT SOTS: WHYCO FINISHING TECHNOLOGIES, LLC, registered with the Connecticut Secretary of the State; Limited liability company; formed 2009-12-04; active, annual report filed 2026-01-21 · JAN 2026

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