CRL vs DAR 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.

Darling Ingredients Inc develops and manufactures sustainable ingredients for customers in the pharmaceutical, food, pet food, fuel, and fertilizer industries. It collects and transforms all aspects of animal by-product streams into ingredients, including gelatin, fats, proteins, pet food ingredients, fertilizers. Also, the company recovers and converts used cooking oil and bakery remnants into feed and fuel ingredients. Darling has three primary business segments which are feed ingredients contributing the majority of revenue, food ingredients, and fuel ingredients. It provides grease trap services for food businesses and sells various equipment for collecting and delivering cooking oil. The company derives the majority of its revenue from customers in North America.