Facility	City	Industry	Status	Distance
Harbison-walker International, INC. Vandalia Plant	Vandalia	Clay Building Material and Refractories Manufacturing 327120	UNVERIFIED	0.0 KM
HarbisonWalker International Vandalia	Vandalia	Clay Building Material and Refractories Manufacturing 327120	LIKELY ACTIVE	0.2 KM
North American Refractories	Farber	Clay Building Material and Refractories Manufacturing 327124	UNVERIFIED	7.6 KM
National Refractories & Minerals CORP.	Wellsville	Clay Building Material and Refractories Manufacturing 327120	UNVERIFIED	24.7 KM
Shamrock Group Mexico Plant	Mexico	Clay Building Material and Refractories Manufacturing 327120	UNVERIFIED	36.0 KM

Every listed plant in Audrain County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 3 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, ICIS, MO-DNR, NCDB, NPDES, RCRAINFO, TRIS, TSCA.

Source	Evidence	First seen	Last seen
EPA ECHO	OPERATING	JUL 2025	JUL 2025
EPA TRI	OPERATING	DEC 2023	DEC 2023
EPA FRS	EXISTENCE	JUL 2010	JUL 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	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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