Alnylam Pharmaceuticals INC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
PRPfizer Research	Cambridge	Pharmaceutical Preparation Manufacturing 325412	◇ UNVERIFIED	0.6 KM
SPShire Pharmaceuticals	Cambridge	Pharmaceutical Preparation Manufacturing 325412	◇ UNVERIFIED	0.6 KM
Eisai INC.	Cambridge	Pharmaceutical Preparation Manufacturing 325412	● ACTIVE	0.8 KM
Amplyus LLC	Arlington	Analytical Laboratory Instrument Manufacturing 334516	● ACTIVE	3.2 KM
AIAcusphere INC	Watertown	Pharmaceutical Preparation Manufacturing 325412	◇ UNVERIFIED	3.1 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 source holds 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, BR, MA-EPICS, NPDES, RCRAINFO · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110058886488 · first seen DEC 2020 · last seen DEC 2020

IN MIDDLESEX COUNTY200 other plants share this one’s industry (Pharmaceutical and Medicine Manufacturing, NAICS 3254); 43 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: ALNYLAM PHARMACEUTICALS INC · OCT 2026

Street address

EPA: 665 CONCORD AVE · OCT 2026

City

EPA: CAMBRIDGE · OCT 2026

State

EPA: MA · OCT 2026

County (FIPS code)

EPA: 25017 · OCT 2026

Coordinates

EPA: 42.3899,-71.14953 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: SQG · OCT 2026