Facility	City	Industry	Status	Distance
Electro Plating Specialties	Hayward	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	UNVERIFIED	0.7 KM
Thermo-fusion, INC.	Hayward	Metal Heat Treating 332811	ACTIVE	0.9 KM
Platron Company West LLC.	Hayward	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	UNVERIFIED	3.3 KM
Architectural Lighting Works	Hayward	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	REPORTED CLOSED	6.0 KM
Applied Fusion, LLC	San Leandro	Other Fabricated Wire Product Manufacturing 332618	LIKELY ACTIVE	6.8 KM

Every listed plant in Alameda County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 8 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 BR, CA-CERS, CA-ENVIROVIEW, CARB-TCH, EIS, HWTS-DATAMART, ICIS, NPDES, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen MAR 2026 · last seen AUG 2026
OSHA injury and illness reportsOPERATING
Record 1472166 · first seen DEC 2025 · last seen DEC 2025
EPA Facility Registry ServiceEXISTENCE
Record 110000781173 · first seen OCT 2024 · last seen OCT 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024

ALSO RECORDED ASHayward- Pentagon Technologies; PENTAGON TECHNOLOGIES GROUP, INC.

IN ALAMEDA COUNTY90 other plants share this one’s industry (Coating, Engraving, Heat Treating, and Allied Activities, NAICS 3328); 14 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: PENTAGON TECHNOLOGIES INC · OCT 2026
Street address: EPA: 21031 ALEXANDER CT · OCT 2026
City: EPA: HAYWARD · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06001 · OCT 2026
CoordinatesSOURCES DISAGREE: Census geocoder: 37.652156765009,-122.130934120781 · JUL 2026; EPA: 37.652663,-122.131171 · OCT 2026 · ON THIS PAGE
Employees (band): OSHA: 100-499 · DEC 2025
Hazardous waste generator (RCRA): EPA ECHO: LQG · OCT 2026

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