SK Group subsidiaries

South Korean memory semiconductor supplier

South Korean telecommunications company

Cyworld () is a South Korean social network service. Cyworld was originally part of SK communication, and became an independent company in 2014. Members cultivate relationships by forming Ilchon (, Hanja: 一寸) or "friendships" with each other through their minihompy. Avatars and "mini-rooms" (small, decoratable, apartment-like spaces in an isometric projection) are features of the service, which can make for a Sims-like experience.

South Korean web portal

Dreamus is an electronics and entertainment company founded in 1999 originally as ReignCom. Currently headquartered in South Korea (and formerly in the United States), it is the parent company of South Korean-based iRiver, Astell & Kern and FLO, as well as Yurion and Funcake Entertainment Services. Since 2014, it has been a subsidiary of SK Telecom when it was formerly known as iRiver.

South Korean music award

South Korean energy and chemical company

korean Telecom Company Established 1999

holding company of SK Group