KT Corporation is South Korea's largest fixed-line telecom operator and is the largest broadband company in the country in term of the number of customers, and the second-largest wireless operator based on subscribers. The company also has numerous pay-television customers and non-telecom businesses. The latter, including internet protocol television, and wireless data are the focus of its growth strategy. Formerly known as Korea Telecom, the company was founded in 1981 and is headquartered in Seongnam, South Korea.