IDEXX Laboratories Inc was incorporated in 1983. The Company develops, manufactures and distributes products and provides services for the companion animal veterinary, livestock and poultry, dairy and water testing markets. It also sells a line of portable electrolytes and blood gas analyzers for the human point-of-care medical diagnostics market. Its products and services are: Point-of-care veterinary diagnostic products, comprising instruments, consumables and rapid assays; Veterinary reference laboratory diagnostic and consulting services; Practice management systems and services and diagnostic imaging systems used by veterinarians; Biological materials testing, laboratory animal diagnostic instruments and services used by the biomedical research community; Diagnostic, health-monitoring and food safety testing products for livestock, poultry and dairy; Products that test water for certain microbiological contaminants; Point-of-care electrolytes and blood gas analyzers used in the human point-of-care medical diagnostics market. The Company operates through three business segments: diagnostic and information technology-based products and services for the veterinary market, which it refers to as the Companion Animal Group (CAG); water quality products (Water); and diagnostic products and services for livestock and poultry health and to ensure the quality and safety of milk and food, which it refers to as Livestock, Poultry and Dairy (LPD). Its other operating segment combines and presents products for the human point-of-care medical diagnostics market (OPTI Medical) with its pharmaceutical product line and its out-licensing arrangements. CAG provides to veterinarian's diagnostic capabilities and information management solutions that enhance the health and well-being of pets. The breadth and complementary nature of its products and services comprise a competitive advantage that it refers to as the IDEXX Diagnostic Advantage, providing veterinarians with the tools and services to offer veterinary medical care. The CAG Diagnostics provides diagnostic capabilities that meet veterinarians' diverse needs through a variety of modalities, including in-clinic diagnostic solutions and outside reference laboratory services. Regardless of modality utilized, veterinarians are provided with clinically relevant data which is integrated within its information management technologies. The result is a comprehensive view of patient diagnostic information that is easily accessible by both the veterinarian and pet owner. The water segment provides testing solutions for easy, rapid and accurate detection and quantification of various microbiological parameters in water, helping to ensure water safety for billions of people around the world. Its products are the Colilert, Colilert-18 and Colisure tests, which simultaneously detect the presence of total coliforms and E. coli in water. These organisms are used as microbial indicators for potential fecal contamination in water. These products utilize nutrient-indicators that produce a change in color or fluorescence when metabolized by target microbes in the sample. The Livestock, poultry and dairy sells diagnostic tests, services and related instrumentation that are used to manage the health status of livestock and poultry, to improve bovine reproductive efficiency, and to ensure the quality and safety of milk and food. The companion animal veterinary diagnostic products and services compete with both references laboratory service and in-clinic product providers. In some markets, academic institutions, governmental agencies and other public and private research organizations conduct research activities and may commercialize products or services which could compete with the Company's products.