Facility	City	Industry	Status	Distance
Edgetech Instruments, INC.	Hudson	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	LIKELY ACTIVE	2.9 KM
The Entwistle Company LLC	Hudson	Machine Shops 332710	ACTIVE	3.1 KM
Organomation Manufacturing INC	Berlin	Analytical Laboratory Instrument Manufacturing 334516	ACTIVE	3.5 KM
Headwall Photonics INC	Bolton	Analytical Laboratory Instrument Manufacturing 334516	ACTIVE	3.6 KM
Piezosystem Jena, INC	Hudson	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	ACTIVE	3.9 KM

Every listed plant in Middlesex 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, MA-EPICS, RCRAINFO, TRIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	OCT 2016	OCT 2016
EPA ECHO	OPERATING	MAR 1994	MAR 1994

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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