Westbrook, Maine-based IDEXX Laboratories, Inc. (IDXX) is a global leader in veterinary diagnostics and animal-health technology, providing diagnostic instruments, rapid tests, laboratory services, and software primarily for companion animals, along with water-quality and livestock/dairy testing. Headquartered in Westbrook, Maine, and founded in 1983, the company operates in more than 170 countries and serves veterinarians, food-production facilities, and public health organizations. Companies worth $10 b ...