Facility	City	Industry	Status	Distance
Raytheon Former Waltham Facil	Waltham	Other Communications Equipment Manufacturing 334290	UNVERIFIED	0.5 KM
Barry Controls	Watertown	All Other Miscellaneous Fabricated Metal Product Manufacturing 332999	UNVERIFIED	0.7 KM
Extropic CORP.	Watertown	Semiconductor and Related Device Manufacturing 334413	ACTIVE	0.9 KM
Micro Uspd Incorporated Semiconductor Products Division	Watertown	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	0.9 KM
Extropic CORP.	Waltham	Semiconductor and Related Device Manufacturing 334413	LIKELY ACTIVE	1.9 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, 5 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, EIS, MA-EPICS, TRIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	JUN 2017	JUN 2017
EPA ECHO	OPERATING	FEB 2003	FEB 2003

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
STATE	EPA FRS	JUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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