SK group is the third largest multinational enterprise in South Korea, with two major industries, including energy and chemical industry and information communication, which has two companies in the global top 500. At present, SK and its affiliates have more than 30,000 employees, 124 offices and subsidiaries around the world. The world's top 500 ranked 57th, with annual sales of $80.8 billion. In the 2013 fortune global 500 ranking, SK ranked 57th.
SK group, developed by a small textile factory in 1953, has become the lifeblood of the Korean economy. From the backbone industry of national economy to the core industry of new era, SK focused enterprise strength in a wide variety of fields, and made great contribution to national economic development. In the fabric industry stagnated, SK in the domestic first opens up a path to the development of the export of fiber, created the myth of South Korea's first domestic production of polyester raw silk.