Facility	City	Industry	Status	Distance
Lectro Engineering	Waltham	All Other Miscellaneous Fabricated Metal Product Manufacturing 332999	UNVERIFIED	1.2 KM
Marposa Manufacturing	Waltham	Machine Shops 332710	LIKELY ACTIVE	4.4 KM
Markforged INC	Waltham	Industrial Machinery Manufacturing 333244	ACTIVE	4.4 KM
Hewlett Packard	Waltham	Cutlery and Handtool Manufacturing 332211	LIKELY ACTIVE	5.4 KM
Hc Starck INC	Newton	Nonferrous Metal (except Aluminum) Smelting and Refining 331410	UNVERIFIED	6.4 KM

Every listed plant in Middlesex County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 1 FEDERAL SOURCE, 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, NCDB, RCRAINFO, TRIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	OCT 2016	OCT 2016

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	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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