Mitsui E&S Holdings Co., Ltd. engages in shipbuilding and engineering businesses worldwide. The company operates through Ship, Ocean Development, Machinery, and Engineering segments. The Ship segment builds commercial ships, naval ships, high speed passenger/vehicle ferries, offshore structures, underwater TV vehicles, and steel structures. The Ocean Development segment provides floating production storage offloading vessels. The Machinery segment offers marine and stationary diesel engines, marine equipment, gas engines, steam turbines, blowers, process compressors, gas turbines, cogeneration systems, regulating systems, container cranes, industrial cranes, container terminal management systems, HWM manipulators, and induction heaters, as well as equipment of radar sensing for underground and construction. The Engineering segment engages in renewable energy power generation plants, power generation business, overseas civil works, waste treatment plants, water treatment plants, resources recycling plants, and PCB disposal plants businesses. In addition, it engages in information and communication equipment related, transport equipment, systems development, real estate lease, and infrastructure related business. The company was formerly known as Mitsui Engineering & Shipbuilding Co., Ltd. Mitsui E&S Holdings Co., Ltd. was founded in 1917 and is headquartered in Tokyo, Japan.