Diamond Foundry INC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
OCOwens Corning Insulating Systems LLC	Santa Clara	Mineral Wool Manufacturing 327993	◇ UNVERIFIED	2.8 KM
OCOwens Corning	Santa Clara	Mineral Wool Manufacturing 327993	◐ LIKELY ACTIVE	3.0 KM
R.s. Hughes Company, INC.	Sunnyvale	Hardware Manufacturing 332510	◐ LIKELY ACTIVE	6.9 KM
DFDiamond Foundry LLC Warm Springs	Fremont	All Other Miscellaneous Nonmetallic Mineral Product Manufacturing 327999	◐ LIKELY ACTIVE	9.7 KM
Ceramic Tech, INC.	Fremont	Pottery, Ceramics, and Plumbing Fixture Manufacturing 327110	● ACTIVE	13.0 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 RCRAINFO · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110071676349 · first seen APR 2024 · last seen APR 2024

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: DIAMOND FOUNDRY INC · OCT 2026

Street address

EPA: 118 CHARCOT AVE · OCT 2026

City

EPA: SAN JOSE · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06085 · OCT 2026

Coordinates

EPA: 37.379769,-121.920575 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026