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 business segments: Companion Animal Group; Water; Livestock, Poultry, and Dairy; and Other. The Companion Animal Group segment refers to diagnostic and information technology-based products and services for the veterinary market. The Water segment includes water quality products for testing of certain microbiological water contaminants. The Livestock, Poultry, and Dairy segment involves diagnostic, health-monitoring, and food safety testing products for livestock and poultry health, and dairy products. The Other segment comprises products for the human point-of-care medical diagnostics market with the company's pharmaceutical product line and out-licensing arrangements. IDEXX Laboratories was founded by David Evans Shaw on December 19, 1983 and is headquartered in