Facility	City	Industry	Status	Distance
Whyco Finishing Tech INC	Thomaston	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	ACTIVE	2.7 KM
Summit Corporation of America	Thomaston	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	ACTIVE	4.7 KM
Henlopen Manufacturing Company, INC.	Watertown	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	UNVERIFIED	5.4 KM
Sequel Finishing INC	Terryville	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	LIKELY ACTIVE	4.6 KM
Infinity Surfacing & Refinishing LLC	Terryville	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	UNVERIFIED	4.8 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 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 AIR, AIRS/AFS, BR, ICIS, NCDB, NPDES, RCRAINFO, SIMS, TRIS · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen AUG 2026 · last seen AUG 2026
Connecticut Secretary of the State business registryOPERATING
Record CT:001t000000WnbHhAAJ · first seen FEB 2026 · last seen FEB 2026
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
DOL Form 5500 retirement plan filingsOPERATING
Record 452040978|CT|06787|135 s main st · first seen DEC 2024 · last seen DEC 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record CT|thomaston|135 s main st · first seen FEB 2021 · last seen FEB 2021
EPA Facility Registry ServiceEXISTENCE
Record 110000317434 · first seen MAR 2019 · last seen MAR 2019

IN NAUGATUCK VALLEY COUNTY44 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: UNIMETAL SURFACE FINISHING, LLC · OCT 2026
Street address: EPA: 135 SOUTH MAIN ST. · OCT 2026
City: EPA: THOMASTON · OCT 2026
State: EPA: CT · OCT 2026
Coordinates: EPA: 41.66935,-73.07774 · OCT 2026
Employees (band): DOL: 20-99 · DEC 2024
Year established: CT SOTS: 2011 · JAN 2011
Retirement plan filing (Form 5500): DOL: 94 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x7, approved 2021-02-19, 2 jobs reported · FEB 2021
Hazardous waste generator (RCRA): EPA ECHO: LQG · OCT 2026
State business registration: CT SOTS: UNIMETAL SURFACE FINISHING, LLC, registered with the Connecticut Secretary of the State; Limited liability company; formed 2011-01-20; active, annual report filed 2026-02-16 · FEB 2026

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