Mitsui E&S, which took its current name in April 2023, builds marine propulsion systems, including DU-WinGD and DU-S.E.M.T. Pielstick engines with after-sales service. It also makes Portainer ship-to-shore cranes and Transtainer rubber-tired gantry cranes for container terminals, with terminal management systems and remote crane monitoring, and is developing hydrogen-powered cranes.
Its industrial machinery includes reciprocating and hydrogen compressors, gas turbines and pressure vessels, along with after-sales service. Group companies provide engineering and IT services in Japan and abroad. The group had 5,998 consolidated employees as of March 31, 2026.
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