Facility	City	Industry	Status	Distance
Alpha & Omega Semiconductor	Sunnyvale	Semiconductor and Related Device Manufacturing 334413	LIKELY ACTIVE	0.3 KM
Honeywell International	Santa Clara	All Other Miscellaneous Chemical Product and Preparation Manufacturing 325998	LIKELY ACTIVE	0.4 KM
Coherent, Inc. Sunnyvale	Sunnyvale	Semiconductor and Related Device Manufacturing 334413	LIKELY ACTIVE	0.4 KM
H-square Corporation	Santa Clara	Semiconductor Machinery Manufacturing 333242	ACTIVE	1.1 KM
CoAdna - OCS Sunnyvale	Sunnyvale	Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing 334416	LIKELY ACTIVE	1.0 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

1 source holds 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, CA-CERS, CA-ENVIROVIEW, NPDES, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.

EPA Facility Registry ServiceEXISTENCE
Record 110002829538 · first seen JUL 2022 · last seen AUG 2024

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: ALTA DEVICES INC · OCT 2026
Street address: EPA: 545 OAKMEAD PKWY · OCT 2026
City: EPA: SUNNYVALE · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06085 · OCT 2026
Coordinates: EPA: 37.38595,-121.98846 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: LQG · OCT 2026

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