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Semco Enterprises INC

475 Wilson Way, City of Industry, CA 91744

UNVERIFIEDLAST SEEN IN FEDERAL DATA DEC 2023 · 2 SOURCES

Present in a source dataset, with no recent operating signal.

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What they make

Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding331491

Where it is

34.01614, -117.95670 · CENSUS TIGER
COUNTY
METRO AREA
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Other plants nearby

FacilityCityIndustryStatusDistance
Ecobat Resources California INCCity of IndustrySecondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
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LIKELY ACTIVE2.7 KM
Quemetco INCCity of IndustrySecondary Smelting, Refining, and Alloying of Nonferrous Metal (except Copper and Aluminum)
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UNVERIFIED2.7 KM
Light Metals INCCity of IndustryAlumina and Aluminum Production and Processing
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LIKELY ACTIVE5.4 KM
Concorde Battery CorporationWest CovinaNonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
331491
ACTIVE8.3 KM
Sts Metals, INC.IrwindaleNonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
331491
ACTIVE11.0 KM

Every listed plant in Los Angeles County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 6 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in BR, CA-CERS, CA-ENVIROVIEW, CARB-TCH, EIS, NPDES, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
EPA FRSEXISTENCEJUN 2026JUN 2026
EPA TRIOPERATINGDEC 2023DEC 2023
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
CITYEPA FRSJUL 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
RCRA GENERATOR STATUSEPA ECHOSEP 2026
STATEEPA FRSJUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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