In 1976, Sunkyong Corporation received an international trading company license from the Korean government. In December 1980 SK purchased privately-run Korea National Oil, making it Korea’s fifth largest conglomerate. In January 1988, crude oil was imported for processing to Korea from Yemen’s Marib oil field.
In June 1994, SK entered Korea’s telecommunications business by becoming Korea Mobile Telecommunication Service's largest shareholder. In January 1996, SK Telecom launched Korea’s first commercial CDMA cellular phone service in Incheon and Bucheon.
In 2002, SK Telecom successfully launched the world’s first commercial CDMA 1X EV-DO technology, allowing it to offer 3G telecommunications service. In 2004, SK Telecom enabled satellite DMB service by deploying the world’s first DMB satellite. Moreover, in 2006, SK began revitalizing the 3.5-generation mobile phone market and in the following year, completed the construction of the national HSDPA network. In May 2006, SK Telecom started the world’s first commercial 3.5-generation HSDPA service, featuring high-quality video telephony and data transmission, and global roaming access.
In 1998, Management re-branded Sunkyong to SK. In 1999, SK Chemicals developed third-generation (non cross resistant) platinum-complex anti-cancer agent. Also, by focusing its research and development efforts on life sciences, SK Corporation developed YKP1358, a new drug candidate for schizophrenia, in 2003.
In 2005, SK Networks opened China's first two wholly foreign-owned, gas stations in Shenyang. Then, after exploring Brazilian mining area BM-C-8, SK Corporation developed an oil field where it confirmed the existence of more than 50 million barrels of oil deposits.
SK Gas began developing resources overseas when it participated in two mining areas to the west of Russia’s Kamchatka peninsula in March 2006. In early 2006, SK Networks also developed Ecol-Green, a biodegradable plastic material. Incheon Oil officially started operations using the SK name in March 2006. SK Energy is currently engaged in 27 oil fields in 15 countries worldwide
At the end of 2005, SK Corp. developed a lithium ion battery separator (LiBS) for the first time in Korea, and started selling the product in 2006. In July 2007, SK Group adopted a holding company structure. Under the re-organization, SK’s main entity, SK Corporation, was split into an investment company, now SK Holdings and an operating company, now SK Energy. The subsidiary companies that now operate under the central SK Holdings umbrella include: SK Energy, SK Telecom, SK Networks, SKC, SK E&S, SK Shipping and K Power
SK Energy (Hangul: SK에너지 or 에스케이에너지, ) 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. Founded in 1962 as Korea’s first oil refiner, SK Energy is one of the world’s leading energy and petrochemical companies with 5,000 employees, KRW 23.65 trillion in sales and 26 offices spanning the globe. The company is strategically positioned as 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’s rapid growth in its business sectors – coupled with an expanding position in China – has helped position it as one of the most significant enterprises in Asia Pacific’s energy marketplace. SK Energy is currently engaged in exploration and development activities in 26 oil / gas blocks in 14 nations worldwide.
SK Telecom(Hangul: SK텔레콤 or 에스케이텔레콤, ) is a South Korean company specialising 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 cellur system. SK Telecom also has the distinction of launching the world's first 3.5-G HSDPA and SHUPA services.
SK Constructions Co, Ltd.' (Hangul: SK건설 or 에스케이건설) is a Korean construction company founded and established in 1977 as previous name is Sunkyung Constructions (hangul: 선경건설 Hanja: 鮮京建設), headquartered in Gwanhun-dong Jongno-gu Seoul, South Korea. and as company of apartment brand is SK View, SK Hub, Apelbaum, at from apartment construction of Korea. the company 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 (Hangul: SK주식회사 or 에스케이주식회사, ) 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, thanks to more than 25,000 employees who work from 113 offices worldwide.
SK's subsidiary companies all operate under the SK Management System (SKMS)which was developed, articulated and enhanced by SK’s Chairman, Tae-won Chey.
The core principle of SKMS is the quest for SUPEX, which means an abbreviation for super-excellent level.
SK Group deploys ECI Telecom's converged platforms in a multi-million dollar contract to make the transition to 3G.(Korea)(Brief Article)
Apr 01, 2004; ECI Telecom announced that SK Group, Korea's third largest conglomerate and one of the leading business organizations in Asia,...
SK Group deploys ECI Telecom's converged platforms in a multi-million dollar contract to make the transition to 3G.(Israel)(Brief Article)
Apr 01, 2004; ECI Telecom announced that SK Group, Korea's third Iargest conglomerate and one of the leading business organizations in Asia,...