Facility	City	Industry	Status	Distance
Thermo-fusion, INC.	Hayward	Metal Heat Treating 332811	ACTIVE	1.0 KM
Electro Plating Specialties	Hayward	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	UNVERIFIED	1.1 KM
Platron Company West LLC.	Hayward	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	UNVERIFIED	1.7 KM
Pentagon Technologies INC	Hayward	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	ACTIVE	1.8 KM
Architectural Lighting Works	Hayward	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	REPORTED CLOSED	4.4 KM

Every listed plant in Alameda County

Also at this address

More than one federal record exists for this street address. The primary record for the site is listed first.

Thermionics Laboratory, INC.

Hayward, CA

ACTIVE333242

Where this record comes from

1 source holds this plant, and 5 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 OSHA-OIS.

EPA Facility Registry ServiceEXISTENCE
Record 110070320222 · first seen SEP 2018 · last seen SEP 2018

IN ALAMEDA COUNTY90 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 15 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: TMPI · OCT 2026
Street address: EPA: 3118 DEPOT RD. · OCT 2026
City: EPA: HAYWARD · OCT 2026
State: EPA: CA · OCT 2026
Coordinates: Census geocoder: 37.638466137007,-122.121161454092 · JUL 2026

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