Facility	City	Industry	Status	Distance
Magnesium Elektron North America	Madison	Copper Rolling, Drawing, Extruding, and Alloying 331420	LIKELY ACTIVE	3.9 KM
Spectrulite Consortium Incorporated	Madison	Aluminum Sheet, Plate, and Foil Manufacturing 331315	LIKELY ACTIVE	4.1 KM
Jet Enterprises & Holding CO LLC	Sauget	Nonferrous Metal (except Aluminum) Smelting and Refining 331410	LIKELY ACTIVE	5.7 KM
Mayco Mfg LLC	Granite City	Nonferrous Metal (except Aluminum) Smelting and Refining 331410	UNVERIFIED	5.6 KM
Mayco Manufacturing LLC dba Mayco Industries	Granite City	Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding 331491	ACTIVE	5.8 KM

Every listed plant in St. Louis 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 AIR, AIRS/AFS, EIS, ICIS, MO-DNR, NPDES, RCRAINFO · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA ECHO	OPERATING	APR 2026	APR 2026
EPA FRS	EXISTENCE	JAN 2025	JAN 2025

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
RCRA GENERATOR STATUS	EPA ECHO	AUG 2026
STATE	EPA FRS	JUL 2026

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

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