Hanjin Heavy Industries & Construction Holdings Co., Ltd., through its subsidiaries, engages in the shipbuilding, construction, engineering, energy, and leisure businesses primarily in South Korea. The company distributes city gas to approximately 800,000 households in Seoul and northern Gyeonggi-do; and supplies district heating and cooling service to approximately 60,000 households in the Byeollae and neighboring districts, as well as sells electricity at the Korea Power Exchange. It also operates a golf club. The company was founded in 1937 and is headquartered in Namyangju, South Korea.