Facility	City	Industry	Status	Distance
Brechtel Manufacturing, INC	Hayward	Analytical Laboratory Instrument Manufacturing 334516	ACTIVE	1.4 KM
Union City	Union City	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	1.9 KM
Architectural Lighting Works	Hayward	Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 332812	REPORTED CLOSED	2.1 KM
Electrochem Solutions INC	Union City	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	UNVERIFIED	2.0 KM
Platron Company West LLC.	Hayward	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	UNVERIFIED	5.9 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 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 BR, CA-ENVIROVIEW, NPDES, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.

DOL Form 5500 retirement plan filingsOPERATING
Record 943180081|CA|94544|31757 knapp st · first seen DEC 2024 · last seen DEC 2024
EPA ECHO compliance recordsOPERATING
first seen MAY 2024 · last seen MAY 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record CA|hayward|31757 knapp st · first seen APR 2020 · last seen APR 2020
EPA Facility Registry ServiceEXISTENCE
Record 110002879617 · first seen OCT 2018 · last seen OCT 2018

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: SEMANO INC · OCT 2026
Street address: EPA: 31757 KNAPP ST · OCT 2026
City: EPA: HAYWARD · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06001 · OCT 2026
Coordinates: EPA: 37.60536,-122.06033 · OCT 2026
Employees (band): DOL: 20-99 · DEC 2024
Retirement plan filing (Form 5500): DOL: 68 active participants, plan year ending 2024-12-31, 2 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x1, approved 2020-04-30, 58 jobs reported · APR 2020
Hazardous waste generator (RCRA): EPA ECHO: LQG · OCT 2026

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