SK TELECOM CO., LTD. is a Korea-based company mainly engaged in the provision of wireless communication services. Its wireless services consist of mobile phone services, wireless data services, information communication services and others. It also engages in the wired communication business, which provides telephone, high-speed Internet, data and other services, as well as communication network equipment leasing, and other business, which engages in the provision of Internet portal services, and production of game products. The Company provides its communication services under the brand names of T, NATE and others. On March 11, 2014, the Company announced that it sold whole shares of IHQ Inc.