Downtown Properties

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Witness Electrical LLC	Sunnyvale	Power, Distribution, and Specialty Transformer Manufacturing 335311	● ACTIVE	3.3 KM
DSDoubletree Systems, INC.	San Jose	Power, Distribution, and Specialty Transformer Manufacturing 335311	● ACTIVE	3.2 KM
NGNorthrop Grumman Systems Corporation	Sunnyvale	Other Metal Container Manufacturing 332439	▲ REPORTED CLOSED	6.0 KM
SCSanta Clara	Santa Clara	Commercial Printing (except Screen and Books) 323111	◐ LIKELY ACTIVE	6.0 KM
SASifly Aviation, INC.	Santa Clara	Aircraft Manufacturing 336411	◐ LIKELY ACTIVE	6.7 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 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 CARB-TCH · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110071758288 · first seen AUG 2024 · last seen AUG 2024

IN SANTA CLARA COUNTY41 other plants share this one’s industry (Electrical Equipment Manufacturing, NAICS 3353); 6 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: DOWNTOWN PROPERTIES · OCT 2026

Street address

EPA: 10100 N TANTAU · OCT 2026

City

EPA: CUPERTINO · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06085 · OCT 2026

Coordinates

Census geocoder: 37.324294359519,-122.00641684771 · JUL 2026