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H-square Corporation

3100 Patrick Henry Dr, Santa Clara, CA 95054

ACTIVELAST SEEN IN FEDERAL DATA OCT 2026 · 3 SOURCES

Operating signal within 12 months from two or more independent sources.

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Homepage of H-square Corporation
Their homepage, crawled JUL 2026

What they make

Semiconductor Machinery Manufacturing333242

Products

Made or handled here · 4
bulk horizontal wafer transfer 75mm 200mm · Bulk Wafer Transfer System For Fragile and Standard Wafers · Low Contact Wafer Transfer 76–200mm LCT2 | H-Square · WS200 - Automatic Single Wafer Transfer and Wafer Sorter
Where these came from
4 from the company’s own website · Company website
url-slug on https://www.h-square.com/product/bulk-horizontal-wafer-transfer-75mm-200mm/

Where it is

37.39544, -121.98368 · CENSUS TIGER
COUNTY
METRO AREA
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STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
North America Region Santa Clara OakmeadSunnyvaleSemiconductor Machinery Manufacturing
333242
 LIKELY ACTIVE1.2 KM
1257 Elko DriveSunnyvaleSemiconductor Machinery Manufacturing
333242
 LIKELY ACTIVE1.3 KM
Foamlinx LLCSunnyvaleMachine Shops
332710
 ACTIVE1.2 KM
Halo Industries INCSanta ClaraSemiconductor and Related Device Manufacturing
334413
 ACTIVE1.9 KM
North America Region Santa Clara Bowers CampusSanta ClaraSemiconductor Machinery Manufacturing
333242
 LIKELY ACTIVE2.1 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

3 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 RCRAINFO · EPA site type STATIONARY.

  • The company’s own websiteOPERATING
    first seen JUL 2026 · last seen OCT 2026
  • SAM.gov entity registrationOPERATING
    Record VB7GZMNP1ZZ4 · first seen APR 2026 · last seen APR 2026
  • EPA Facility Registry ServiceEXISTENCE
    Record 110070418444 · first seen DEC 2018 · last seen DEC 2018

ALSO RECORDED ASH-SQUARE CORP

IN SANTA CLARA COUNTY86 other plants share this one’s industry (Industrial Machinery Manufacturing, NAICS 3332); 16 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.

NameSOURCES DISAGREE
EPA: H-SQUARE CORP · JUL 2026
SAM.gov: H-SQUARE CORPORATION · APR 2026 · ON THIS PAGE
Street address
EPA: 3100 PATRICK HENRY DR · JUL 2026 · ON THIS PAGE
SAM.gov: 3100 PATRICK HENRY DR · APR 2026 · ON THIS PAGE
City
EPA: SANTA CLARA · JUL 2026 · ON THIS PAGE
SAM.gov: SANTA CLARA · APR 2026 · ON THIS PAGE
State
EPA: CA · JUL 2026 · ON THIS PAGE
SAM.gov: CA · APR 2026 · ON THIS PAGE
County (FIPS code)
EPA: 06085 · SEP 2026
Coordinates
EPA: 37.395441,-121.983683 · JUL 2026
Website
SAM.gov: http://www.h-square.com · APR 2026
Year established
Company website: 1975 · AUG 2026
CAGE code
SAM.gov: 3X8J1 · APR 2026
SAM registration expires
SAM.gov: 2027-04-17 · APR 2026

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