Mitsui E&S Machinery Co., Ltd.About the Mitsui E&S Group

In the field of power energy, the company produces a broad array of products, such as various types of compressors, including reciprocating compressors that play the core part in blast furnace and gas engine cogeneration systems, in addition to marine diesel engines. In the field of logistics systems, the company produces logistics and cranes and creates high added value in eco-friendly container cranes for yards and new quay side container cranes. In the field of social infrastructure, the company contributes to improving the social infrastructure and achieving comfortable urban development, for instance with its technologies for bridges and offshore structures.

Main products

Marine diesel engine, Gas turbine and gas engine co-generation system, Process compressor, Top pressure recovery turbine (TRT) generating system, Reactor / Heat exchanger, Rotary dryer / Coal moisture controller, Quayside container crane, Transfer crane in container yard, Container terminal management system, Industrial crane, Bridge, Floating piers and pontoon, Radar scanner, Manipulator


Mitsui E&S Machinery Co., Ltd. ("the Company") is developing five businesses: Marine diesel engines, various types of industrial machinery such as compressors and gas turbines, cranes centered on container cranes, social infrastructure facilities such as bridges, and after-sales servicing of products. With a particular focus on after-sales servicing in addition to manufacturing, the Company seeks to propose and provide services so that customers can use its products throughout their life cycle more economically and with a sense of security. We are also responding actively to globalization and technical innovations, which are currently proceeding at a rapid pace. We have a number of initiatives underway, including the start of overseas production of cranes, an early engagement with eco-friendly duel fuel marine diesel engines including the launch of the world's first methanol- and ethane-fueled engine, preventive maintenance systems for diesel engines, compressors for hydrogen refueling stations, automated container cranes and terminals, and the maintenance business of bridges and roads. With the motto, "Think from the customer perspective and take actions with speed," we will provide more reliable, more economical and eco-friendly products and services. We respectfully ask for your guidance and support for the new Mitsui E&S Machinery.

Ryoichi Oka, President

Company Profile

Company Name Mitsui E&S Machinery Co., Ltd.
Head Office 6-4, Tsukiji 5-chome, Chuo-ku, Tokyo 104-8439, Japan
Representative Ryoichi Oka, President
Major Business Areas Design, manufacturing, engineering, construction & installation, repair & maintenance operations, etc. of various machinery, plants, etc.
Capital 2.2 billion yen

Main group companies

Mitsui E&S Power Systems Inc., Mitsui Meehanite Metal Co., Ltd., Sanzo Manufacturing & Construction Co., Ltd., Mitsui E&S Steel Structures Engineering Co., Ltd., Mitsui E&S Technical Research Co., Ltd., DPS Bridge Works Co., Ltd., Azuma Machinery Co., Ltd., Paceco Corp., PT.MES Machinery Indonesia, CSSC-MES Diesel Co., Ltd., MES Ferrotec China Co., Ltd., Mitsuizosen Technoservice Hongkong Ltd., Mitsuizosen Technoservice Taiwan Co., Ltd., MES Technoservice Middle East W.L.L., MES Technoservice Machinery Construction Logistics, Industry and Trade Corporation