Koiwai is a well-known agricultural company based in Japan, particularly recognized for its dairy products. Founded in 1886, it operates in the Iwate Prefecture and is famous for its high-quality milk, cheese, and yogurt. The company emphasizes sustainable farming practices and animal welfare, contributing to its reputation in the dairy industry. In addition to dairy, Koiwai is involved in various agricultural activities, including the production of crops and livestock. The company also engages in tourism, offering visitors a chance to experience its farms and learn about sustainable agriculture and food production.