Silicon Quest International INC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
RRRestoration Robotics	San Jose	Industrial Machinery Manufacturing 333249	◐ LIKELY ACTIVE	0.2 KM
CUCanon U.s.a., INC.	San Jose	Semiconductor Machinery Manufacturing 333242	◐ LIKELY ACTIVE	3.1 KM
1E1257 Elko Drive	Sunnyvale	Semiconductor Machinery Manufacturing 333242	◐ LIKELY ACTIVE	3.4 KM
WCWj Communications INC	Milpitas	Semiconductor Machinery Manufacturing 333242	◇ UNVERIFIED	3.5 KM
H-square Corporation	Santa Clara	Semiconductor Machinery Manufacturing 333242	● ACTIVE	3.9 KM

Every listed plant in Santa Clara County

Also at this address

More than one federal record exists for this street address. The primary record for the site is listed first.

Kuprion, INC.

San Jose, CA

● ACTIVE331420EMP 20-99

Where this record comes from

1 source holds this plant, and 6 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, NPDES · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110064943003 · first seen OCT 2015 · last seen JUN 2017

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.

Name

EPA: SILICON QUEST INTERNATIONAL INC · OCT 2026

Street address

EPA: 4425 FORTRAN DR · OCT 2026

City

EPA: SAN JOSE · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06085 · OCT 2026

Coordinates

EPA: 37.423439,-121.956964 · OCT 2026