Mitsui DM Sugar Co.,Ltd. manufactures and sells refined sugar and functional food materials in Japan. It operates through the Sugar Business, Life Energy Business, and Real Estate Business segments. The Sugar Business produces and sells raw sugar, processed sugar, and sugar-related products, and also handles packaging materials. The Life Energy segment offers food colorings, flavorings, sugar cane extract, agar, bio-based products, and nutritional care supplements, as well as home delivery lunch box services. The Real Estate Business leases land, retail premises, and offices, and operates warehouses. The company was formerly known as Mitsui DM Sugar Holdings Co., Ltd. and changed its name to Mitsui DM Sugar Co.,Ltd. in April 2025. It was incorporated in 1947 and is headquartered in Tokyo, Japan.