HD Hyundai started its shipbuilding business in a small village in Ulsan, South Korea, in 1972 and grew into a global heavy industries company. Based on the strong leadership of the shipbuilding business, it is becoming the most innovative solution supplier in the heavy industries and energy sector, ranging from shipbuilding and marine engineering to oil refining, petrochemicals, and smart energy management businesses. HD Hyundai rebranded its name of Hyundai Heavy Industries Group(HHI Group) to 'HD Hyundai' in 2022 to mark its 50th anniversary. HD Hyundai operates three core businesses - shipbuilding, heavy equipment, and energy - through Korea Shipbuilding & Offshore Engineering (KSOE), Hyundai Genuine, and Hyundai Oilbank. Korea Shipbuilding & Offshore Engineering (KSOE) is a sub-holding company that controls the group's shipbuilding companies, including Hyundai Heavy Industries, Hyundai Samho Heavy Industries, and Hyundai Mipo Dockyard. Hyundai Genuine is another sub-holding company that oversees heavy equipment business, having Hyundai Doosan Infracore and Hyundai Construction Equipment as subsidiaries. Hyundai Oilbank is one of major oil refiners in South Korea.