Westco Iron Works

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Silicon Valley Precision, INC.	Livermore	Machine Shops 332710	● ACTIVE	0.7 KM
Semicore Equipment, INC	Livermore	Semiconductor Machinery Manufacturing 333242	● ACTIVE	1.2 KM
OSOlmar Supply PMD	Livermore	Sheet Metal Work Manufacturing 332322	◐ LIKELY ACTIVE	1.5 KM
Pro-tek Manufacturing, INC.	Livermore	Sheet Metal Work Manufacturing 332322	● ACTIVE	1.6 KM
Img Companies, LLC	Livermore	Machine Shops 332710	● ACTIVE	2.2 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 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 110071048223 · first seen JUL 2021 · last seen JUL 2021

IN ALAMEDA COUNTY94 other plants share this one’s industry (Architectural and Structural Metals Manufacturing, NAICS 3323); 21 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: WESTCO IRON WORKS · OCT 2026

Street address

EPA: 5828 S NAYLOR RD. · OCT 2026

City

EPA: LIVERMORE · OCT 2026

State

EPA: CA · OCT 2026

County (FIPS code)

EPA: 06001 · OCT 2026

Coordinates

EPA: 37.703173,-121.722705 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026