Daikokutenbussan Co., Ltd. is a Japanese company specializing in the retail and wholesale distribution of food and everyday products. Established in 1986, the company operates primarily through large-format discount supermarkets under brands such as LAMU and DIO, offering consumers a wide variety of fresh foods, processed goods, bakery items, and daily necessities. Its stores are notable for their spacious layouts, competitive pricing, and, in many cases, 24-hour accessibility. Beyond retail operations, Daikokutenbussan also engages in food manufacturing, private brand product development, real estate leasing, recycling initiatives, and store-related services including cleaning and consulting for store development. The company’s mission centers on reducing household living expenses, particularly food costs, to contribute to consumer well-being and greater societal affluence. Serving both urban and regional communities, Daikokutenbussan plays a significant role in Japanese food retail by challenging traditional distribution models, promoting innovation, and maintaining a focus on affordability and convenience.