Tamai Steamship Co., Ltd. engages in the business of owning and operating ships primarily in Japan. The company primarily transports bauxite, alumina, grain, gypsum, blast furnace slag, cement clinker, steel products, dry bulk, clean oil, liquefied petroleum gas, etc. It is also involved in the provision of freight forwarding, manning agency, and apartment rental services. The company was founded in 1929 and is headquartered in Tokyo, Japan.