SK Telecom Co., Ltd. (SKT) is a publicly owned South Korean telecommunications company founded in 1984. Part of the SK Group, one of South Korea's largest chaebols, SKT's primary business is wireless telecommunications. As of 2008, it held a 50.5% market share in South Korea. In Q4 2017, it reported 27.019 million subscribers. The company, headquartered in South Korea, employs approximately 7,530 people. SKT previously operated in the film distribution sector.