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Repligen Corporation

41 Seyon St Ste 100 Bldg 1, Bldg 1, Suite 100, Waltham, MA 02453

LIKELY ACTIVELAST SEEN IN FEDERAL DATA OCT 2025 · 2 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Biological Product (except Diagnostic) Manufacturing325414

Where it is

42.37108, -71.21441 · CENSUS TIGER
COUNTY
METRO AREA
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STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Waltham Centerpoint I Investment Group LLCWalthamBiological Product (except Diagnostic) Manufacturing
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UNVERIFIED0.3 KM
Arranta Bio Ma LLCWatertownBiological Product (except Diagnostic) Manufacturing
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LIKELY ACTIVE0.4 KM
Abcam WalthamWalthamIn-Vitro Diagnostic Substance Manufacturing
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LIKELY ACTIVE0.4 KM
Abcam INCWalthamIn-Vitro Diagnostic Substance Manufacturing
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EyePointWatertownPharmaceutical Preparation Manufacturing
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Every listed plant in Middlesex County

Also at this address

No other federal record shares this street address.

WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 7 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 MA-EPICS, RCRAINFO · EPA site type STATIONARY.

SourceEvidenceFirst seenLast seen
SAM GOVOPERATINGOCT 2025OCT 2025
EPA FRSEXISTENCEJUN 2014JUN 2014
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
FIELDSOURCESIGNAL
ADDRESS LINE1EPA FRSJUL 2026
ADDRESS LINE1SAM GOVOCT 2025
CAGE CODESAM GOVOCT 2025
CITYEPA FRSJUL 2026
CITYSAM GOVOCT 2025
GEOMCENSUS GEOCODERJUL 2026
GEOMEPA FRSJUL 2026
NAMEEPA FRSJUL 2026
NAMESAM GOVOCT 2025
REGISTRATION EXPIRATIONSAM GOVOCT 2025
STATEEPA FRSJUL 2026
STATESAM GOVOCT 2025

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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