FactoryRegistry
Claim a page

Hiefo Corporation

2017 Chestnut St, Alhambra, CA 91803

LIKELY ACTIVELAST SEEN IN FEDERAL DATA APR 2025 · 2 SOURCES

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

DirectionsClaim this pageGet the badge

What they make

Semiconductor and Related Device Manufacturing334413

Where it is

34.08206, -118.14527 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Ortel, a Division of EmcoreAlhambraSemiconductor and Related Device Manufacturing
334413
UNVERIFIED0.0 KM
Lucent TechnologiesAlhambraSemiconductor and Other Electronic Component Manufacturing
334411
UNVERIFIED0.0 KM
Ortel CORP Unit No 03AlhambraSemiconductor and Related Device Manufacturing
334413
UNVERIFIED0.5 KM
Be Services INCAlhambraCapacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
334416
UNVERIFIED1.1 KM
Spatron INCLos AngelesCapacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
334416
UNVERIFIED2.0 KM

Every listed plant in Los Angeles County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 6 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in RCRAINFO · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
EPA ECHOOPERATINGAPR 2025APR 2025
EPA FRSEXISTENCEOCT 2024OCT 2024
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
CITYEPA FRSJUL 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
RCRA GENERATOR STATUSEPA ECHOSEP 2026
STATEEPA FRSJUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Report a correction · Request removal