Facility	City	Industry	Status	Distance
P-tech Engineering LLC	Woburn	Printed Circuit Assembly (Electronic Assembly) Manufacturing 334418	LIKELY ACTIVE	1.3 KM
Xeresearch Corporation	Burlington	Semiconductor and Related Device Manufacturing 334413	LIKELY ACTIVE	1.3 KM
Hartech CORP	Woburn	Air and Gas Compressor Manufacturing 333912	LIKELY ACTIVE	1.9 KM
Veir INC	Woburn	Current-Carrying Wiring Device Manufacturing 335931	ACTIVE	1.8 KM
Innovations in Optics, INC	Woburn	Other Electronic Component Manufacturing 334419	LIKELY ACTIVE	1.8 KM

Every listed plant in Middlesex County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 4 FEDERAL SOURCES, 7 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, BR, E-GGRT, EIS, MA-EPICS, NPDES, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
OSHA ITA	OPERATING	DEC 2025	DEC 2025
EPA TRI	OPERATING	DEC 2023	DEC 2023
EPA ECHO	OPERATING	SEP 2021	SEP 2021
EPA FRS	EXISTENCE	JUN 2017	JUN 2017

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
EMPLOYEE BAND	OSHA ITA	DEC 2025
GEOM	CENSUS GEOCODER	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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