Charles River Laboratories International, Inc.

Charles River Laboratories International, Inc. is a global provider of specialized laboratory services focused on supporting the pharmaceutical and biotechnology industries throughout the drug discovery and development process. As a leading player in the healthcare sector, the company operates across more than 20 countries, serving clients ranging from life sciences firms and academic institutions to government agencies. Its primary offerings span three segments: research models and services, which supply laboratory animal models—particularly genetically engineered rodents—for preclinical research; discovery and safety assessment, which enables early-stage drug development through in vivo and in vitro testing, toxicology, pharmacology, and related scientific services; and manufacturing support, providing advanced quality control, biologics testing, and microbial solutions for sterile and non-sterile pharmaceuticals and consumer products. Founded in 1947, Charles River Laboratories is recognized for its scientific expertise, ethical research practices, and essential role in accelerating advancements in medicine and life sciences by facilitating essential safety and efficacy testing required for regulatory approval.