SK TELECOM CO., LTD. is a Korea-based company principally engaged in the provision of wireless communication services. The Company mainly operates its business in three business divisions: wireless communication business division, which provides mobile phone services, wireless data services, information communication services and others; wired communication business division, which provides telephone, high-speed Internet, data and other services, Internet phone, mobile virtual network operator (MVNO) and others, as well as other business division, which engages in the Internet portal services, investment fund and others. The Company provides its communication services under the brand names of T world, NATE and others. On March 11, 2014, the Company announced that it sold whole shares of IHQ Inc.