CROFounded 1947
Charles River Laboratories
Wilmington, Massachusetts, United States
CRO specializing in nonclinical/preclinical research: safety assessment (toxicology) studies, research models, and early discovery services supporting drug and vaccine development, distinct from the late-phase clinical-trial CROs on this list.
- Segment
- CRO
- Headquarters
- Wilmington, Massachusetts, United States
- Founded
- 1947
- Website
- www.criver.com
Notable facts
- Founded in 1947 by veterinarian Henry Foster, who started a one-person lab in Boston supplying research animals; headquarters moved to Wilmington, Massachusetts in 1955.
- Reported roughly $4.02 billion in 2025 revenue with about 19,700 employees globally.
- Trades on the NYSE under ticker CRL and is an S&P 500 component.
- Has made major acquisitions since 2008 including MPI Research ($800M, 2018), Cognate BioServices ($875M, 2021), and Vigene Biosciences ($292.5M, 2021).
Sourcing guides
Sources. This profile is compiled from public reference data, WebSearch-verified against source 1. Data as of 2026-07-14. See methodology.
Sourcing a vendor in this segment today? We connect clinical operations, regulatory, and procurement teams with qualified cro vendors.
Request vendors