Seidel, INC.

2223 Thomaston Ave., Waterbury, CT 06704

LIKELY ACTIVELAST SEEN IN FEDERAL DATA FEB 2026 · 5 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Electroplating, Plating, Polishing, Anodizing, and Coloring332813

Where it is

41.60094, -73.05825 · CENSUS TIGER

COUNTY

Naugatuck Valley County

METRO AREA

Waterbury-Shelton, CT

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Other plants nearby

Facility	City	Industry	Status	Distance
E & J Parts Cleaning CO	Waterbury	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	ACTIVE	1.2 KM
Precision Dip Coating, LLC	Waterbury	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	ACTIVE	1.5 KM
Nova Metal Finishing, INC.	Waterbury	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	REPORTED CLOSED	1.9 KM
American Electro Prods INC	Waterbury	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	ACTIVE	2.0 KM
Mirror Polishing & Plating CO INC	Waterbury	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	LIKELY ACTIVE	2.8 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

5 sources hold this plant, and 10 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, RCRAINFO, SIMS, TRIS · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen JUN 2025 · last seen FEB 2026
Connecticut Secretary of the State business registryOPERATING
Record CT:001t000000WoDBoAAN · first seen APR 2025 · last seen APR 2025
DOL Form 5500 retirement plan filingsOPERATING
Record 222678460|CT|06704|2223 thomaston ave · first seen DEC 2024 · last seen DEC 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record CT|waterbury|2223 thomaston ave · first seen FEB 2021 · last seen FEB 2021
EPA Facility Registry ServiceEXISTENCE
Record 110000317130 · first seen SEP 2016 · last seen SEP 2016

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: SEIDEL, INC. · OCT 2026
Street address: EPA: 2223 THOMASTON AVE. · OCT 2026
City: EPA: WATERBURY · OCT 2026
State: EPA: CT · OCT 2026
Coordinates: EPA: 41.60094,-73.05825 · OCT 2026
Employees (band): DOL: 100-499 · DEC 2024
Retirement plan filing (Form 5500): DOL: 148 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x3, approved 2021-02-09, 58 jobs reported · FEB 2021
Hazardous waste generator (RCRA): EPA ECHO: none · OCT 2026
State business registration: CT SOTS: SEIDEL LLC, registered with the Connecticut Secretary of the State; Limited liability company formed in Delaware; registered 2017-12-08; active, annual report filed 2025-04-24 · APR 2025

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