A private comprehensive farm founded in 1891. The name Koiwai Farm comes from the initials of founders Yoshimasa Ono (Vice President of the Japan Railway Company), Yanosuke Iwasaki (President of Mitsubishi Corporation), and Masaru Inoue (Director General of the Railway Agency). The total area is about 3,000 hectares (approximately 640 times the size of Tokyo Dome). Dairy farming business which is the basis for Koiwai brand milk products, manufacturing and selling Koiwai Farm Dairy products, forestry business in a 2,000 hectare forest, and environmental greening projects in the Tokyo metropolitan area, Reconstruction Memorial Park, etc. We are developing tourism projects that utilize productive activities and pastoral landscapes to provide places of relaxation. Aiming at ``environmentally sustainable, sustainable and circular'' business operations, we provide agricultural products, products and services that are ``safe, secure, of clear origin and of high quality.''"