Facility	City	Industry	Status	Distance
SK Siltron CSS - Bay City	Bay City	Semiconductor and Related Device Manufacturing 334413	LIKELY ACTIVE	0.0 KM
Rwc INC	Bay City	Machine Tool Manufacturing 333517	ACTIVE	7.0 KM
Winford Engineering, LLC	Auburn	Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418	ACTIVE	7.4 KM
Dow Corning Compound Semiconductor Solutions LLC	Auburn	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	8.8 KM
SK Siltron CSS - Auburn	Auburn	Semiconductor and Related Device Manufacturing 334413	LIKELY ACTIVE	8.8 KM

Every listed plant in Bay 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.

SK Siltron CSS - Bay City

Bay City, MI

LIKELY ACTIVE334413EMP 100-499

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 NPDES, RCRAINFO · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA ECHO	OPERATING	SEP 2023	SEP 2023
EPA FRS	EXISTENCE	JAN 2022	JAN 2022

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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