Naikai Zosen Corp. engages in the manufacture and repair of ships, construction works, and operation of hotels and food service business. It operates through the following business divisions: Ships, Service Business and Others. The Ships division deals with the renovation and repair of commercial ships and various crafts such as cargo freights, automobile transport ships, container ships, and passenger ferries. The Service Business division manages hotels and restaurants, client contracts, and gift shops. The Others division includes onshore service business which handles the civil engineering construction and the installation of solar power generation systems. The company was founded on October 1, 1972 and is headquartered in Onomichi, Japan.