STX Engine Co., Ltd. manufactures and sells diesel engines and electronic communication devices in South Korea. The company operates through Civil Business, Special Business, and Electronic Communication segments. It offers marine and industrial engines, electrical and electronic components, as well as operates power generation facilities. In addition, the company sells engine parts and engages in servicing of parts and components activities. It serves shipyard and defense sectors. The company was formerly known as STX Corporation and changed its name to STX Engine Co., Ltd. in April 2004. STX Engine Co., Ltd. was founded in 1976 and is headquartered in Changwon-si, South Korea. STX Engine Co., Ltd. is a subsidiary of UAMCO., Ltd.