Oenon Holdings, Inc. engages in the alcoholic beverages, enzymes pharmaceuticals, real estate, and other businesses based on biotechnologies derived from fermentation technologies in Japan. The company offers alcoholic beverages, including shochu, sake, chuhai, synthetic sake, plum wines/liqueurs, spirits, imported wines, and ready-to-drink alcoholic beverages, as well as alcoholic beverage ingredients, industrial alcohol, and seasonings. It also provides enzymes such as lactase, glucose isomerase, isoamylase, cellulase, and inulinase for food applications, as well as protease for food, research, and diagnostics. In addition, the company provides contract manufacturing services and engages in diagnostic medicines and outsourced fermentation businesses. Further, it is involved in the purchase, sale, and leasing of real estate, as well as warehousing, transportation, and cargo handling activities. Additionally, the company exports its products. Oenon Holdings, Inc. was incorporated in 1920 and is headquartered in Tokyo, Japan.