Facility	City	Industry	Status	Distance
R.s. Hughes Company, INC.	Sunnyvale	Hardware Manufacturing 332510	LIKELY ACTIVE	9.2 KM
Owens Corning	Santa Clara	Mineral Wool Manufacturing 327993	LIKELY ACTIVE	9.6 KM
Owens Corning Insulating Systems LLC	Santa Clara	Mineral Wool Manufacturing 327993	UNVERIFIED	9.6 KM
Sunnyvale School Dist	Sunnyvale	All Other Miscellaneous Nonmetallic Mineral Product Manufacturing 327999	UNVERIFIED	10.9 KM
Diamond Foundry LLC Warm Springs	Fremont	All Other Miscellaneous Nonmetallic Mineral Product Manufacturing 327999	LIKELY ACTIVE	20.4 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 RCRAINFO · EPA site type STATIONARY.

EPA Facility Registry ServiceEXISTENCE
Record 110072046394 · first seen SEP 2025 · last seen SEP 2025

IN SANTA CLARA COUNTY20 other plants share this one’s industry (Other Nonmetallic Mineral Product Manufacturing, NAICS 3279); 1 of them has 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: MARK TASHIMA · OCT 2026
Street address: EPA: 270 SAN TOMAS AQUINO RD · OCT 2026
City: EPA: CAMPBELL · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06085 · OCT 2026
Coordinates: EPA: 37.289991,-121.976548 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: none · OCT 2026

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