Dupont Electronic Materials International, LLC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
MMarlborough	Marlborough	Industrial Gas Manufacturing 325120	◐ LIKELY ACTIVE	1.6 KM
AAAspen Aerogels INC	Northborough	Other Basic Inorganic Chemical Manufacturing 325180	◐ LIKELY ACTIVE	4.0 KM
AEAscend Elements, INC.	Westborough	Other Basic Inorganic Chemical Manufacturing 325180	◐ LIKELY ACTIVE	6.1 KM
Kayaku Advanced Materials INC	Westborough	All Other Basic Organic Chemical Manufacturing 325199	● ACTIVE	6.7 KM
NNNyacol Nano Technologies	Ashland	Other Basic Inorganic Chemical Manufacturing 325180	◐ LIKELY ACTIVE	12.3 KM

Every listed plant in Middlesex County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 9 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 EIS, NPDES, TSCA · EPA site type STATIONARY.

• SAM.gov entity registrationOPERATING
  Record J8CDGRABUSG3 · first seen MAY 2026 · last seen JUL 2026
• OSHA injury and illness reportsOPERATING
  Record 104467 · first seen DEC 2025 · last seen DEC 2025
• EPA Toxics Release InventoryOPERATING
  first seen DEC 2023 · last seen DEC 2024
• EPA Facility Registry ServiceEXISTENCE
  Record 110069269865 · first seen JUL 2016 · last seen JUN 2017

ALSO RECORDED ASDUPONT ELECTRIC MATERIALS INTERNATIONAL; ROHM AND HAAS ELECTRONIC MATERIALS LLC

IN MIDDLESEX COUNTY48 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 12 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.

NameSOURCES DISAGREE

EPA: DUPONT ELECTRIC MATERIALS INTERNATIONAL · JUL 2026

SAM.gov: DUPONT ELECTRONIC MATERIALS INTERNATIONAL, LLC · JUL 2026 · ON THIS PAGE

Street address

EPA: 455 FOREST ST · JUL 2026 · ON THIS PAGE

SAM.gov: 455 FOREST ST · JUL 2026 · ON THIS PAGE

City

EPA: MARLBOROUGH · JUL 2026 · ON THIS PAGE

SAM.gov: MARLBOROUGH · JUL 2026 · ON THIS PAGE

State

EPA: MA · JUL 2026 · ON THIS PAGE

SAM.gov: MA · JUL 2026 · ON THIS PAGE

County (FIPS code)

EPA: 25017 · SEP 2026

Coordinates

EPA: 42.32907,-71.5892 · JUL 2026

Employees (band)

OSHA: 100-499 · DEC 2025

CAGE code

SAM.gov: 30SJ5 · JUL 2026

SAM registration expires

SAM.gov: 2027-05-01 · JUL 2026