Nissui Corp. engages in the marine resources business. The company is headquartered in Minato-Ku, Tokyo-To and currently employs 10,332 full-time employees. The firm operates through four business segments. The Marine Products Business segment is engaged in the fishing business, aquaculture business, as well as processing and trading business. The Food Business segment is engaged in the processing business and the chilled business. The Fine Business segment is engaged in the production and sale of pharmaceutical raw materials, functional raw materials, and functional foods. The Logistics Business segment is engaged in refrigerated warehouse business, delivery business and customs clearance business. The firm is also engaged in the construction, repair, operation and engineering of ships.