Ambri

• WARN notice effective NOV 13, 2023 · 89 employees · filed SEP 15, 2023 — recorded; it does not change the status

Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Patriot Worldwide, INC.	Marlborough	Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables 334513	● ACTIVE	2.0 KM
UPUpstart Power INC	Southborough	All Other Miscellaneous Electrical Equipment and Component Manufacturing 335999	◇ UNVERIFIED	2.9 KM
Device Technologies, INC	Southborough	Other Fabricated Wire Product Manufacturing 332618	● ACTIVE	3.1 KM
Ipg Photonics Corporation	Marlborough	Machine Tool Manufacturing 333517	● ACTIVE	3.2 KM
Doble Engineering Company	Marlborough	Forging and Stamping 332116	● ACTIVE	3.3 KM

Every listed plant in Middlesex County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in AIR, MA-EPICS, RCRAINFO · EPA site type STATIONARY.

• State WARN plant-closing and layoff noticesEXISTENCE
  first seen NOV 2023 · last seen NOV 2023
• EPA ECHO compliance recordsOPERATING
  first seen MAR 2017 · last seen MAR 2017
• EPA Facility Registry ServiceEXISTENCE
  Record 110057072867 · first seen JUL 2014 · last seen JUL 2014

IN MIDDLESEX COUNTY50 other plants share this one’s industry (Other Electrical Equipment and Component Manufacturing, NAICS 3359); 17 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name

EPA: AMBRI · OCT 2026

Street address

EPA: 53 BRIGHAM ST · OCT 2026

City

EPA: MARLBOROUGH · OCT 2026

State

EPA: MA · OCT 2026

County (FIPS code)

EPA: 25017 · OCT 2026

Coordinates

EPA: 42.33039,-71.54257 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: none · OCT 2026