Facility	City	Industry	Status	Distance
Nylo Metal Finishing LLC	Waterbury	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	ACTIVE	1.8 KM
American Electro Prods INC	Waterbury	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	ACTIVE	1.9 KM
Clear & Colored Coatings LLC	Wolcott	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	UNVERIFIED	2.1 KM
E & J Parts Cleaning CO	Waterbury	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	ACTIVE	2.5 KM
Precision Dip Coating, LLC	Waterbury	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	ACTIVE	2.5 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 9 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, ICIS, NPDES, OSHA-OIS, SIMS · 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:001t000000WmT5lAAF · first seen NOV 2025 · last seen NOV 2025
EPA ECHO compliance recordsOPERATING
first seen AUG 2021 · last seen AUG 2021
EPA Facility Registry ServiceEXISTENCE
Record 110001732260 · first seen JUN 2016 · last seen JUN 2016
SBA 7(a) and 504 loan recordsEXISTENCE
first seen DEC 2010 · last seen DEC 2010

IN NAUGATUCK VALLEY COUNTY44 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 22 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: NELSON HEAT TREATING CO, INC · OCT 2026
Street address: EPA: 2046 N MAIN ST · OCT 2026
City: EPA: WATERBURY · OCT 2026
State: EPA: CT · OCT 2026
Coordinates: EPA: 41.57832,-73.02798 · OCT 2026
Website: CT SOTS: https://nelsonheattreating.com/ · OCT 2026
Year established: CT SOTS: 1948 · NOV 1948
SBA loans: SBA: 7a loan x2, jobs 11.0 · DEC 2010
State business registration: CT SOTS: NELSON HEAT TREATING COMPANY, INCORPORATED THE, registered with the Connecticut Secretary of the State; Corporation; formed 1948-11-22; active, annual report filed 2025-11-22 · NOV 2025

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