Facility	City	Industry	Status	Distance
Davis Wire CORP	Irwindale	Steel Wire Drawing 331222	LIKELY ACTIVE	1.9 KM
California Steel and Tube	City of Industry	Iron and Steel Pipe and Tube Manufacturing from Purchased Steel 331210	LIKELY ACTIVE	11.1 KM
Netwill Company, INC	South El Monte	Rolled Steel Shape Manufacturing 331221	REPORTED CLOSED	12.2 KM
Universal Mercantile Exchange, INC.	Walnut	Special Die and Tool, Die Set, Jig, and Fixture Manufacturing 333514	ACTIVE	13.1 KM
D. D. Wire Co., INC.	Temple City	Steel Wire Drawing 331222	ACTIVE	12.3 KM

Every listed plant in Los Angeles County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Sts Metals, INC.

Irwindale, CA

ACTIVE331491

Where this record comes from

3 sources hold this plant, and 10 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 CA-CERS, CA-ENVIROVIEW, NPDES, OSHA-OIS, RCRAINFO · EPA site type STATIONARY.

SAM.gov entity registrationOPERATING
Record J1DML3V7GDN5 · first seen OCT 2025 · last seen SEP 2026
OSHA injury and illness reportsOPERATING
Record 1096857 · first seen DEC 2025 · last seen DEC 2025
EPA Facility Registry ServiceEXISTENCE
Records 110037988274, 110071793283 · first seen JUN 2017 · last seen AUG 2024

ALSO RECORDED ASSIERRA ALLOYS COMPANY, INC

IN LOS ANGELES COUNTY61 other plants share this one’s industry (Steel Product Manufacturing from Purchased Steel, NAICS 3312); 14 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: SIERRA ALLOYS COMPANY · JUL 2026 · ON THIS PAGE; SAM.gov: SIERRA ALLOYS COMPANY · SEP 2026 · ON THIS PAGE
Street address: EPA: 5467 AYON AVE · JUL 2026 · ON THIS PAGE; SAM.gov: 5467 AYON AVE · SEP 2026 · ON THIS PAGE
City: EPA: IRWINDALE · JUL 2026 · ON THIS PAGE; SAM.gov: IRWINDALE · SEP 2026 · ON THIS PAGE
State: EPA: CA · JUL 2026 · ON THIS PAGE; SAM.gov: CA · SEP 2026 · ON THIS PAGE
County (FIPS code): EPA: 06037 · SEP 2026
Coordinates: Census geocoder: 34.112160475814,-117.928675951043 · SEP 2026 · ON THIS PAGE; EPA: 34.11219,-117.92863 · JUL 2026 · ON THIS PAGE
Employees (band): OSHA: 20-99 · DEC 2025
Website: SAM.gov: www.sierraalloys.com · SEP 2026
CAGE code: SAM.gov: 6T875 · SEP 2026
SAM registration expires: SAM.gov: 2027-09-22 · SEP 2026

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