Neogen Corporation, together with its subsidiaries, develops, manufactures, and markets various food and animal products and services in the United States and internationally. It operates through two segments, Food Safety and Animal Safety. The company offers diagnostic test kits and complementary products for natural toxins and allergens; bacterial and general sanitation, such as rapid testing tools and sanitation tests; and indicator testing, culture media and other services, including traditional bacterial testing and the growth of beneficial bacteria, filter tests, and Colitag for microbial analysis of water for the food and beverage, as well as sample collection products, supplies diagnostic kits and specialty enzymes, and laboratory food safety analysis targeting the milling and grain, meat and poultry, prepared food products and ingredients, fruits and vegetables, seafood, dairy, beverage, water, healthcare, traditional culture media markets, food service, and dietary supplements markets. It also provides life sciences reagents and test kits for immunoassay production, forensic, and animal toxicology, as well as life science research and colorimetric and chemiluminescent substrates; veterinary instruments and disposables for administering antibiotics and vaccines; rodent and insect control and disinfectants; genomics services, such as DNA genotyping, sequencing, and trait analysis for livestock and companion animals; and animal care and other products, including digestive aids and nutritional supplements, as well as biosecurity products targeting the companion animal veterinarians, livestock producers, veterinarians, and breed associations, retailers, breeding and genetics companies, diagnostic labs and universities, distributors, and other manufacturers and government agencies. The company was incorporated in 1981 and is headquartered in Lansing, Michigan.