HD Korea Shipbuilding & Offshore Engineering Co., Ltd. engages in the manufacture and sale of steel ships. It operates through the following business divisions: Joseon, Marine Plant, Engine Machinery, Green Energy, and Others. The Joseon business division is involved in crude oil carriers, container ships, refined product carriers, LNG ships, and warships. The Marine Plant business division refers to manufacturing and installation of offshore structures and floating crude oil production facilities. The Engine Machinery business division consists of marine engines, diesel power, and generation equipment. The Green Energy business division includes renewable energy such as solar modules, control systems, and hydrogen fuel cells. The Others business division focuses on research and development of future technologies, gas, and eco-friendly systems. The company was founded by Ju-Young Jung on December 28, 1973 and is headquartered in Seongnam-si, South Korea.