Facility	City	Industry	Status	Distance
Thermo Fisher PAI	Tewksbury	Semiconductor and Related Device Manufacturing 334413	LIKELY ACTIVE	0.1 KM
Raytheon European Management and Systems Company	Tewksbury	Semiconductor and Related Device Manufacturing 334413	ACTIVE	0.3 KM
Raytheon Korean Support Company	Tewksbury	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	LIKELY ACTIVE	0.3 KM
Raytheon Company	Tewksbury	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	LIKELY ACTIVE	0.3 KM
Raytheon Southeast Asia Systems Company	Tewksbury	Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing 334511	ACTIVE	0.3 KM

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

Source	Evidence	First seen	Last seen
EPA TRI	OPERATING	DEC 2023	DEC 2023
EPA ECHO	OPERATING	SEP 2020	SEP 2020
EPA FRS	EXISTENCE	FEB 2019	FEB 2019

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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