Charles River Laboratories International, Inc. is a full service, non-clinical contract research company. The Company provides research models required in research and development of new drugs, devices, and therapies. The Company's segments include Research Models and Services (RMS), Discovery and Safety Assessment (DSA), and Manufacturing Solutions (Manufacturing). The RMS segment includes the research models, research model services, and research and GMP-compliant cells businesses. The DSA segment includes services required to take a drug through the early development process, including discovery services, which are non-regulated services to assist clients with the identification, screening, and selection of a lead compound for drug development, and regulated and non-regulated (Good Laboratory Practice (GLP) and non-GLP) safety assessment services. The Manufacturing segment includes Microbial Solutions, Biologics Solutions (Biologics), and Avian Vaccine Services (Avian).