Established on January 2013 thorough management integration, Japan Marine United Corporation (JMU) is making a new start by forming capital and business alliance with Imabari Shipbuilding Co., Ltd..

4 Core Businesses of JMU Japan Marine United JMU is targeting business development in 4 core businesses, Merchant Ships, Naval Ships, Engineering, and Ship Life Cycle.

Technologies of JMU Japan Marine United Japan Marine United (JMU) possesses proven technologies that are supported by traditions and actual results spanning more than 150 years.

History of JMU Japan Marine United JMU's history can be traced back to 1853. The company has been a world leader in shipbuilding technology for more than 150 years.

JMU was created by the merger of two leading-edge companies in the shipbuilding industry of Japan, Universal Shipbuilding and IHIMU.
In January 2021, as part of the alliance with Imabari Shipbuilding Co., Ltd., having the largest shipbuilidng capacity in Japan, JMU and Imabari Shipbuilding jointly established "Nihon Shipyard Co., Ltd.(NSY) ".
JMU will keep on leading the shipbuilding industry in Japan, aiming for further growth and development.


JMU is a leading company in the shipbuilding industry, with bases throughout Japan. Making full use of the wealth of experience and advanced technologies cultivated to date, we are aiming at further development.