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Charles River Laboratories was founded in 1947 and is a leading provider of drug discovery and development services. The company's research model & services segment is the leading provider of animal models for laboratory testing, which breeds and delivers animal research models with specific genetic characteristics for preclinical studies around the world. The discovery & safety assessment segment includes services required to take a drug through the early development process, including discovery services. The manufacturing support segment includes microbial solutions, which provides in vitro (non-animal) testing products, biologics testing services, and avian vaccine services.
Parsons Corp is a provider of technology-driven solutions in the defense, intelligence, and critical infrastructure markets. The business activities of the group are carried out through Federal Solutions and Critical Infrastructure segments. The Federal Solutions segment is a high-end service and technology provider to the U.S. government, delivering timely, cost-effective solutions for mission-critical projects, whereas the Critical Infrastructure segment provides integrated design and engineering services for complex physical and digital infrastructure around the globe.