SK Group - Member Companies

Member Companies

Some of the member companies that now operate under the SK brand include: SK E&C, SK Energy, SK Telecom, SK Broadband, SK Networks, SK M&C, SKC, SK E&S, SK Chemicals, SK Telesys, SK Shipping, SK Telink, SK Hynix, SK C&C, Walkerhill and SK Wyverns.

SKC (Korean: SKC or 에스케이씨, KRX: 011790), headquartered in Seocho-dong Seocho-gu Seoul, is the leading Korean company in chemical and film industry. SKC was founded and established in 1976 as previous name of "Sunkyung Chemicals Ltd" (Korean: 선경화학 (주)), which was a successor of "Sunkyung Textiles" (Korean: 선경합섬), the matrix for the SK Group nowadays. SKC is one of the best polyester film makers in the world, supplying 10% of worldwide demands with its wide applications including labels, LCDs, and solar cells. With its main plant and R&D center located in Suwon, South Korea, it also operates large capacity of film plant in Georgia, USA. SKC is now developing into one of the leading companies dealing with a variety of eco-friendly, advanced materials for the future energy and chemical industries such as biodegradable films, LEDs and photovoltaic materials.

SK Energy and SK Innovation (Korean: SK 에너지 or 에스케이 에너지 and SK 이노베이션 or 에스케이 이노베이션, KRX: 096770) is a South Korea enterprise. SK Energy is a newly formed entity of the former SK Corporation. As of July 1, 2007, SK Corporation was reorganized into a holding company and operating company, SK Holdings and SK Energy, respectively. In 2011, Petroleum and chemical business spun off. The former is 'SK Energy' and the latter is 'SK Innovation' ‘SK energy’ Founded in 1962 as Korea’s first oil refiner, SK Energy is an energy and petrochemical company with 5,000 employees, KRW 23.65 trillion in sales and 26 offices spanning the globe. The company is Korea’s largest – and Asia’s fourth largest – refiner with a refining capacity of 1.15 million barrels per day, as of 2006. SK Energy is currently engaged in exploration and development activities in 26 oil / gas blocks in 14 nations worldwide.

SK Telecom (Korean: SK 텔레콤 or 에스케이 텔레콤, KRX: 017670) is a South Korean company specializing in offering mobile phone services, wired and wireless combined services. It is part of the SK Group and has evolved from a first-generation analog cellular system operator to become the company that launched the world's first commercial CDMA service. SK Telecom moved on to operate Korea's first 2.5-G CDMA 2000 1X system, followed by the world's first commercial 3-G synchronized cellular system. SK Telecom also launched the world's first 3.5-G HSDPA and SHUPA services.

SK E&C (Korean: SK 건설 or 에스케이 건설) is a Korean construction company founded and established in 1977 with a previous name of Sunkyung Construction (Korean: 선경 건설), headquartered in Gwanhun-dong Jongno-gu Seoul, South Korea. Its brands include SK View, SK Hub, and Apelbaum. The company's CEO is Son Kwan Ho. Industries: Oil & Gas, Petrochemical, Power, Environmental Protection, Industrial, Civil, Building, Housing. Services:Feasibility Study, EPC Service, Project Management, Operations & Maintenance.

SK Holdings (Korean: SK 주식회사 or 에스케이 주식회사, KRX: 003600) is a South Korea enterprise. As of July 1, 2007, SK Corporation was reorganized into a holding company and operating company, SK Holdings and SK Energy, respectively. SK Holdings is a part of the SK Group that focuses on 3 core business interests, Energy & Chemicals, Telecommunications, and Trading & Services. The SK Group is composed of 88 affiliate companies that share the SK brand and culture. In 2006, SK Group recorded combined revenues of $75.8 billion, with exports contributing $26.4 billion of that total. SK continues to expand its global presence, with more than 25,000 employees who work from 113 offices worldwide.

SK Telink (Korean: SK 텔링크 or 에스케이 텔링크 주식회사) is a subsidiary of SK Telecom, was established in April 1998 as an international telephony service provider and has grown into a major player in the international calling market. Under the brand name 00700, the company provides international call services. Building on the commercial long-distance telephony and value-added services launched in 2005, the company began offering Korean SMS in June 2006 in the U.S. The service allows subscribers to send and receive Korean text messages in the U.S., as well as to and from Korea. From 2008 on, SK Telink also started e-Learning service (giving Lectures to customers through the internet) and Foreign Language Test service "BULATS ". BULATS is being used as a main English speaking test for the most of SK Group subsidiaries.

SK Marketing & Company (Korean: SK 마케팅 & 컴퍼니 or 에스케이 마케팅 & 컴퍼니) is a marketing and management company in the SK Group. The company mainly derived from the marketing teams of SK Energy and SK Telecom. It was established on April 4, 2008. The company accounts for several services which were previously provided by SK Energy and SK Telecom, such as the OK Cashbag from SK Energy and the Gifticon service from SK Telecom. They also hold a subsidiary "Ofelis", which is a wedding consulting company.

SK C&C was established in 1991 and is currently one of the "Big Three" IT services companies in Korea. SK C&C has business interests across IT services, including telecommunications, banking & finance, government, public, logistics, and other fields. And the company is expanding its presence overseas. Industries in its product portfolio include GIS, ITS, ERP, national security & defense, postal, e-government, e-learning, postal, and other areas. They also specialize in mobile commerce products and SK C&C USA launched Google Wallet services recently.

SK Wyverns (Korean: SK 와이번스) is one of the top-ranking baseball teams in the Korea Baseball Organization.