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Alpha & Omega Semiconductor

475 Oakmead Parkway, Sunnyvale, CA 94085

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2024 · 2 SOURCES

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

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What they make

Semiconductor and Related Device Manufacturing334413

Where it is

37.38370, -121.98930 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Coherent, Inc. SunnyvaleSunnyvaleSemiconductor and Related Device Manufacturing
334413
LIKELY ACTIVE0.4 KM
Honeywell InternationalSanta ClaraAll Other Miscellaneous Chemical Product and Preparation Manufacturing
325998
LIKELY ACTIVE0.4 KM
Hunter Technology CorporationSanta ClaraIndustrial Machinery Manufacturing
333295
UNVERIFIED1.1 KM
CoAdna - OCS SunnyvaleSunnyvaleCapacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
334416
LIKELY ACTIVE0.9 KM
Thermal Engineering Associates INCSanta ClaraSemiconductor and Related Device Manufacturing
334413
ACTIVE1.1 KM

Every listed plant in Santa Clara County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 11 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 CA-ENVIROVIEW, EIS, RCRAINFO · EPA site type STATIONARY.

  • DOL Form 5500 retirement plan filingsOPERATING
    Record 770553536|CA|94085|475 oakmead pkwy · first seen DEC 2024 · last seen DEC 2024
  • EPA Facility Registry ServiceEXISTENCE
    Record 110058362472 · first seen JUN 2017 · last seen AUG 2024

IN SANTA CLARA COUNTY823 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 127 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: ALPHA & OMEGA SEMICONDUCTOR · OCT 2026
Street address
EPA: 475 OAKMEAD PARKWAY · OCT 2026
City
EPA: SUNNYVALE · OCT 2026
State
EPA: CA · OCT 2026
County (FIPS code)
EPA: 06085 · OCT 2026
CoordinatesSOURCES DISAGREE
Census geocoder: 37.38347756887,-121.988410914474 · SEP 2026
EPA: 37.3837,-121.9893 · OCT 2026 · ON THIS PAGE
Employees (band)
DOL: 500+ · DEC 2024
Year established
OR SOS: 2011 · JUN 2011
Retirement plan filing (Form 5500)
DOL: 768 active participants, plan year ending 2024-12-31, 2 plan(s) · DEC 2024
Hazardous waste generator (RCRA)
EPA ECHO: none · OCT 2026
State business registrationSOURCES DISAGREE
CO SOS: Alpha and Omega Semiconductor, Inc., registered with the Colorado Secretary of State; Corporation formed in California; registered 2021-03-02; active, annual report filed 2026-02-23 · FEB 2026
Sunbiz: ALPHA AND OMEGA SEMICONDUCTOR INCORPORATED, registered with the Florida Department of State, Division of Corporations; Corporation formed in California; registered 2021-10-01; active, annual report filed 2026-01-20 · JAN 2026
OR SOS: JIREH SEMICONDUCTOR INCORPORATED, registered with the Oregon Secretary of State, Corporation Division; Corporation; formed 2011-06-16; active · JUN 2011
TX Comptroller: ALPHA AND OMEGA SEMICONDUCTOR INC., registered with the Texas Comptroller of Public Accounts; Corporation; registered 2017-11-27; active · NOV 2017

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