Facility	City	Industry	Status	Distance
Valley Instrument Co., INC.	Exton	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	ACTIVE	1.2 KM
Metropolitan Communications, INC.	Exton	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	ACTIVE	2.1 KM
Blue Avionics INC	Exton	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	ACTIVE	4.8 KM
Bender Electronics, Incorporated	Exton	Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals 334515	ACTIVE	4.7 KM
Dgh Technology INC.	Exton	Electromedical and Electrotherapeutic Apparatus Manufacturing 334510	ACTIVE	4.3 KM

Every listed plant in Chester 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.

Excelitas Technologies CORP

Exton, PA

UNVERIFIED334413

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, ICIS, PA-EFACTS, RCRAINFO · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	OCT 2016	OCT 2016
EPA ECHO	OPERATING	FEB 1999	FEB 1999

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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