Facility	City	Industry	Status	Distance
Holographix LLC	Marlborough	Commercial and Service Industry Machinery Manufacturing 333310	ACTIVE	3.1 KM
K & M Engineering, INC	Marlborough	Plate Work Manufacturing 332313	LIKELY ACTIVE	4.0 KM
Zygo Teraoptix INC	Westborough	Commercial and Service Industry Machinery Manufacturing 333314	UNVERIFIED	5.9 KM
Block Engineering LLC	Southborough	Commercial and Service Industry Machinery Manufacturing 333314	ACTIVE	7.3 KM
Carl Zeiss Vision Northeast	Hopkinton	Commercial and Service Industry Machinery Manufacturing 333314	UNVERIFIED	14.5 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 · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	OCT 2016	OCT 2016
EPA ECHO	OPERATING	JUN 1997	JUN 1997

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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