Sanofi

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
MTModerna, TX. - Waltham MTC	Waltham	Biological Product (except Diagnostic) Manufacturing 325414	◐ LIKELY ACTIVE	0.1 KM
GDGenzyme Drug Discovery & Development	Waltham	Pharmaceutical Preparation Manufacturing 325412	◇ UNVERIFIED	0.2 KM
Apl Sales I LLC	Waltham	Pharmaceutical Preparation Manufacturing 325412	● ACTIVE	0.8 KM
IIImmunogen INC	Waltham	Pharmaceutical Preparation Manufacturing 325412	◐ LIKELY ACTIVE	1.7 KM
Thea Pharma, INC.	Waltham	Pharmaceutical Preparation Manufacturing 325412	● ACTIVE	2.0 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 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, EIS, MA-EPICS, RCRAINFO · EPA site type STATIONARY.

• EPA ECHO compliance recordsOPERATING
  first seen FEB 2020 · last seen FEB 2020
• EPA Facility Registry ServiceEXISTENCE
  Record 110070120365 · first seen OCT 2017 · last seen OCT 2017

IN MIDDLESEX COUNTY201 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: SANOFI · OCT 2026

Street address

EPA: 225 SECOND AVE · OCT 2026

City

EPA: WALTHAM · OCT 2026

State

EPA: MA · OCT 2026

County (FIPS code)

EPA: 25017 · OCT 2026

Coordinates

EPA: 42.389687,-71.263699 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: SQG · OCT 2026