IDEXX Laboratories, Inc. engages in the development, manufacture, and distribution of products and services for the animal veterinary, livestock and poultry, dairy and water testing markets. It operates through the following segments: Companion Animal Group (CAG), Water, Livestock, Poultry and Dairy (LPD), and Other. The CAG segment provides diagnostic and information management-based products and services for the companion animal veterinary industry, including in-clinic diagnostic solutions, outside reference laboratory services, and veterinary software and services. The Water segment offers innovative testing solutions for easy, rapid, and accurate detection and quantification of various microbiological parameters in water. The LPD segment develops diagnostic tests, services, and related instrumentation that are used to manage the health status of livestock and poultry, to improve producer efficiency, and to ensure the quality and safety of milk and food. The Other segment is composed of products for the human point-of-care medical diagnostics market with its out-licensing arrangements. The company was founded by David Evans Shaw on December 19, 1983, and is headquartered in Westbrook, ME.