Facility	City	Industry	Status	Distance
The Entwistle Company LLC	Hudson	Machine Shops 332710	ACTIVE	1.4 KM
Boundary Fence & Railing Systems, INC.	Marlborough	Ornamental and Architectural Metal Work Manufacturing 332323	UNVERIFIED	1.6 KM
Vulcan Industries	Hudson	Sheet Metal Work Manufacturing 332322	UNVERIFIED	3.0 KM
Ktron Incorporated	Marlborough	Metal Heat Treating 332811	LIKELY ACTIVE	4.2 KM
Apahouser INC.	Marlborough	Sheet Metal Work Manufacturing 332322	ACTIVE	4.2 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, 8 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 MA-EPICS, RCRAINFO.

Source	Evidence	First seen	Last seen
SAM GOV	OPERATING	SEP 2025	SEP 2025
EPA FRS	EXISTENCE	DEC 2015	FEB 2019

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
ADDRESS LINE1	SAM GOV	SEP 2025
CAGE CODE	SAM GOV	SEP 2025
CITY	EPA FRS	JUL 2026
CITY	SAM GOV	SEP 2025
GEOM	CENSUS GEOCODER	JUL 2026
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
NAME	SAM GOV	SEP 2025
REGISTRATION EXPIRATION	SAM GOV	SEP 2025
STATE	EPA FRS	JUL 2026
STATE	SAM GOV	SEP 2025
WEBSITE	SAM GOV	SEP 2025

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

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