Ensuiko Sugar Refining Co., Ltd. engages in the manufacture and sale of refined sugar. It operates through the following segments: Sugar, Bio, and Others. The Sugar segment deals with the production and sale of sugar products such as granulite sugar, white sugar, and liquid sugar. The Bio segment handles the manufacture and sale of lactose and fructose oligosaccharides and cyclodextrins. The Others segment manages the leasing of a portion of the company building to third parties. The company was founded in February 1904 and is headquartered in Tokyo, Japan.