Cal Semi LLC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
CLCalogic LLC	Fremont	Semiconductor and Related Device Manufacturing 334413	◇ UNVERIFIED	0.0 KM
Advanced Microwave, INC.	Fremont	Other Electronic Component Manufacturing 334419	● ACTIVE	0.3 KM
OMOncore Manufacturing Services Dba Neotech	Fremont	Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418	◐ LIKELY ACTIVE	0.4 KM
Applied Ceramics, INC.	Fremont	Pottery, Ceramics, and Plumbing Fixture Manufacturing 327110	● ACTIVE	0.5 KM
Telewave.io INC	Fremont	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220	● ACTIVE	0.5 KM

Every listed plant in Alameda 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 110071749642 · first seen AUG 2024 · last seen AUG 2024

IN ALAMEDA COUNTY228 other plants share this one’s industry (Semiconductor and Other Electronic Component Manufacturing, NAICS 3344); 44 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: CAL SEMI LLC · OCT 2026

Street address

EPA: 331 WHITNEY PLACE · OCT 2026

City

EPA: FREMONT · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06001 · OCT 2026

Coordinates

Census geocoder: 37.469692910618,-121.919859723704 · JUL 2026