Niigata Shipbuilding & Repair

Niigata Shipbuilding & Repair is the shipbuilding business that traces its origins to the 1895 founding of Nippon Oil's Niigata Iron Works, with shipyard operations beginning in Niigata's Irifune district in 1905. In 2003 the shipbuilding business was succeeded from Niigata Iron Works Co., Ltd. and began operating as Niigata Shipbuilding Co., Ltd. The company strengthened its capital relationship with Tsuneishi Holdings in 2016 and came under the Tsuneishi Group. In 2025 it was integrated into Tsuneishi Miho Shipbuilding Co., Ltd. Its Niigata Plant is located in Irifune-cho, Chuo-ku, Niigata City.

The shipbuilding business traces to 1895, when Nippon Oil Co. founded the Niigata Iron Works. Shipyard operations began in 1905 in the Irifune district of Niigata City, and in 1910 Niigata Iron Works Co., Ltd. was established as a separate entity from Nippon Oil. In 1952 the Niigata Plant was renamed the Niigata Shipbuilding Plant. On April 1, 2003, the shipbuilding business was succeeded from Niigata Iron Works Co., Ltd. and began operating as Niigata Shipbuilding Co., Ltd. In 2016 the company strengthened its capital relationship with Tsuneishi Holdings (now Tsuneishi Group Co., Ltd.) and came under the Tsuneishi Group. In 2025 the company name was changed from Miho Shipyard Co., Ltd. to Tsuneishi Miho Shipbuilding Co., Ltd., and Niigata Shipbuilding Co., Ltd. was integrated into it.

Product categories. Ships · Steel structures · Ship repair and trading

1. 1沿革|常石三保造船株式会社tsuneishi.co.jp
2. 2会社概要|常石三保造船株式会社tsuneishi.co.jp
3. 3Niigata Shipbuilding & Repairwikidata.org