Facility	City	Industry	Status	Distance
Mdz Automation LLC	Bridgeton	Analytical Laboratory Instrument Manufacturing 334516	ACTIVE	1.0 KM
Buse Industries	Bridgeton	Other Electronic Component Manufacturing 334419	UNVERIFIED	1.9 KM
High Energy Devices, LLC	Bridgeton	Other Electronic Component Manufacturing 334419	ACTIVE	3.2 KM
Franklin Electronics Company	Bridgeton	Bare Printed Circuit Board Manufacturing 334412	LIKELY ACTIVE	3.6 KM
Masterclock, INC.	Saint Charles	Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing 334220	ACTIVE	4.3 KM

Every listed plant in St. Louis 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.

Scinomix, INC.

Earth City, MO

LIKELY ACTIVE334516

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 EIS, ICIS, MO-DNR, RCRAINFO, TRIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	JUN 2017	JUN 2017
EPA ECHO	OPERATING	APR 2010	APR 2010

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	SEP 2026
STATE	EPA FRS	JUL 2026

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

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