CRL vs SSD Comparison

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.

Simpson Manufacturing Co Inc designs, manufactures, and markets systems and products to make buildings and structures safe and secure. It produces wood construction products, including connectors, truss plates, fastening systems, fasteners, and shearwalls, as well as concrete construction products such as adhesives, specialty chemicals, mechanical anchors, powder actuated tools, and fiber reinforcing materials. The company serves residential, industrial, commercial, and infrastructure construction, remodeling, and do-it-yourself markets, operating exclusively in the building products industry. It has three regional segments: North America, Europe, and Asia/Pacific. The majority of its revenue comes from wood products.