STX OFFSHORE & SHIPBUILDING, formerly STX Shipbuilding Co., Ltd., is a Korea-based company active in the shipbuilding industry. It focuses on designing and building ships with capacities ranging from 30,000 to 80,000 deadweight tons. The Company's product portfolio consists of tankers, container ships, bulk carriers, liquefied petroleum gas (LPG) and liquefied natural gas (LNG) carriers, pure car carriers and naval vessels. The Company is a subsidiary of STX Corporation, a holding company involved in energy trading, investment and management consulting. The Company completed the merger with its wholly owned subsidiary STX Heavy Industries Co.,Ltd's marine plant division, on June 1, 2009.