Sipex Corporation

233 South Hillview Drive, Milpitas, CA 95035

UNVERIFIEDLAST SEEN IN FEDERAL DATA JUN 2005 · 2 SOURCES

Present in a source dataset, with no recent operating signal.

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What they make

Semiconductor and Related Device Manufacturing334413

Where it is

37.42824, -121.89260 · CENSUS TIGER

COUNTY

Santa Clara County

METRO AREA

San Jose-Sunnyvale-Santa Clara, CA

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Other plants nearby

Facility	City	Industry	Status	Distance
Linear Technology CORP	Milpitas	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	0.1 KM
Nanosys	Milpitas	All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998	UNVERIFIED	0.1 KM
Optical Associates INC	Milpitas	Semiconductor and Related Device Manufacturing 334413	ACTIVE	0.1 KM
Headway Technologies INC	Milpitas	Computer Storage Device Manufacturing 334112	LIKELY ACTIVE	0.2 KM
Onanon INC	Milpitas	Electronic Connector Manufacturing 334417	LIKELY ACTIVE	0.5 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 7 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, EIS, RCRAINFO · EPA site type STATIONARY.

EPA Facility Registry ServiceEXISTENCE
Record 110017215672 · first seen JUN 2017 · last seen AUG 2024
EPA ECHO compliance recordsOPERATING
first seen JUN 2005 · last seen JUN 2005

IN SANTA CLARA COUNTY823 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 128 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: SIPEX CORPORATION · OCT 2026
Street address: EPA: 233 SOUTH HILLVIEW DRIVE · OCT 2026
City: EPA: MILPITAS · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06085 · OCT 2026
CoordinatesSOURCES DISAGREE: Census geocoder: 37.428742076568,-121.891854549619 · SEP 2026; EPA: 37.42824,-121.8926 · OCT 2026 · ON THIS PAGE
Hazardous waste generator (RCRA): EPA ECHO: SQG · OCT 2026

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