Charles River Laboratories

• WARN notice effective APR 24, 2026 · 71 employees · filed MAR 25, 2026 — recorded; it does not change the status
• WARN notice effective APR 24, 2026 · 71 employees · filed FEB 19, 2026 — recorded; it does not change the status
• WARN notice effective JAN 6, 2026 · 71 employees · filed DEC 16, 2025 — recorded; it does not change the status
• WARN notice effective JAN 6, 2026 · 68 employees · filed NOV 10, 2025 — recorded; it does not change the status

Notices filed with the state under the federal WARN Act, as the state publishes them, collected by the WARN Act notices feed (CC BY 4.0). A notice records what the employer told the state; it is not by itself proof that the plant closed.

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
LCLargo Clean Energy	Wilmington	Battery Manufacturing 335911	◇ UNVERIFIED	0.6 KM
Xenon CORP	Wilmington	Electric Lighting Equipment Manufacturing 335129	● ACTIVE	1.1 KM
VCVicor CORP	Andover	Other Electronic Component Manufacturing 334419	● ACTIVE	3.7 KM
DRDynamics Research CORP	Wilmington	Electroplating, Plating, Polishing, Anodizing, and Coloring 332813	◇ UNVERIFIED	4.9 KM
Raytheon Patriot Support Company	Andover	Semiconductor and Related Device Manufacturing 334413	● ACTIVE	5.5 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 MA-EPICS, RCRAINFO · EPA site type STATIONARY.

• State WARN plant-closing and layoff noticesEXISTENCE
  first seen APR 2026 · last seen APR 2026
• EPA Facility Registry ServiceEXISTENCE
  Record 110003500391 · first seen SEP 2011 · last seen SEP 2011

IN MIDDLESEX COUNTY50 other plants share this one’s industry (Other Electrical Equipment and Component Manufacturing, NAICS 3359); 17 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: CHARLES RIVER LABORATORIES · NOV 2026

Street address

EPA: 299 BALLARDVALE ST · NOV 2026

City

EPA: WILMINGTON · NOV 2026

State

EPA: MA · NOV 2026

County (FIPS code)

EPA: 25017 · NOV 2026

Coordinates

EPA: 42.59846,-71.16293 · NOV 2026

Hazardous waste generator (RCRA)

EPA ECHO: VSQG · NOV 2026