Cambridge Isotope Laboratories INC

3 Highwood Dr, Tewksbury, MA 01876

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2024 · 3 SOURCES

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

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What they make

All Other Basic Organic Chemical Manufacturing325199

Where it is

42.64279, -71.23657 · CENSUS TIGER

COUNTY

Middlesex County

METRO AREA

Boston-Cambridge-Newton, MA-NH

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Other plants nearby

Facility	City	Industry	Status	Distance
Cambridge Isotope Laboratories, INC	Andover	All Other Basic Organic Chemical Manufacturing 325199	ACTIVE	4.5 KM
Posco (printers Oil Supply Co)	Wilmington	All Other Basic Organic Chemical Manufacturing 325199	LIKELY ACTIVE	7.9 KM
Medical-technical Gases, INC	North Billerica	Industrial Gas Manufacturing 325120	LIKELY ACTIVE	8.4 KM
Avcarb, LLC	Lowell	All Other Basic Organic Chemical Manufacturing 325199	ACTIVE	7.7 KM
Chemco CORP	Lawrence	Soap and Other Detergent Manufacturing 325611	UNVERIFIED	9.4 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 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 BR, MA-EPICS, RCRAINFO · EPA site type STATIONARY.

DOL Form 5500 retirement plan filingsOPERATING
Record 042950751|MA|01876|3 highwood dr · first seen DEC 2024 · last seen DEC 2024
EPA ECHO compliance recordsOPERATING
first seen NOV 2024 · last seen NOV 2024
EPA Facility Registry ServiceEXISTENCE
Record 110024326736 · first seen MAY 2016 · last seen MAY 2016

IN MIDDLESEX COUNTY49 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.

Name: EPA: CAMBRIDGE ISOTOPE LABORATORIES INC · NOV 2026
Street address: EPA: 3 HIGHWOOD DR · NOV 2026
City: EPA: TEWKSBURY · NOV 2026
State: EPA: MA · NOV 2026
County (FIPS code): EPA: 25017 · NOV 2026
Coordinates: EPA: 42.642788,-71.23657 · NOV 2026
Employees (band): DOL: 100-499 · DEC 2024
Retirement plan filing (Form 5500): DOL: 361 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
Hazardous waste generator (RCRA): EPA ECHO: LQG · NOV 2026

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