STX Corporation is a Korea-based holding company engaged in the trading business and subsidiary management business. The Company operates in two business divisions: trading and investment divisions. Its trading division imports and exports oil products, bituminous coals, crops, ship building materials, plant facilities, steel products and others to its subsidiaries. Its investment division invests in, manages and supports its subsidiaries, such as STX Pan Ocean Co., Ltd., STX OFFSHORE & SHIPBUILDING CO.,LTD., STX Engine Co,.Ltd and STX Energy Co., Ltd., among others. As of December 31, 2011, the Company had 24 subsidiaries and affiliated companies. On April 1, 2011, the Company spun-off its ship maintenance business into a wholly owned subsidiary. On September 1, 2012, the Company merged with its wholly owned subsidiary, mainly engaged in the specific services.