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Contents

   



(Top)
 


1 History  



1.1  Formation and early production  





1.2  Growing up years  





1.3  Recent years  







2 Subsidiaries  



2.1  Holdings  





2.2  Energy & Chemicals  





2.3  Information & Communications Technology  





2.4  Semiconductor & Materials  





2.5  Logistics, Services & Bio  







3 Management system  





4 See also  





5 References  














SK Group: Difference between revisions






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affiliate company information updating based on official SK group's brochure.
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| foundation = {{start date and age|1953|04|08|df=y}}

| foundation = {{start date and age|1953|04|08|df=y}}

| founder = Chey Jong-gun

| founder = Chey Jong-gun

| location = [[Seoul]], [[South Korea]]

| location = [[Seoul]], South Korea

| area_served = Worldwide

| area_served = Worldwide

| key_people = {{Plain list|

| key_people = [[Chey Tae-won]]<br /> <small>([[Chairman]] & [[CEO]])</small><br />Cho Dae-sik<br /><small>(Chairman of the SUPEX Council (de facto head))</small><ref>{{cite web|url=http://www.koreatimes.co.kr/www/news/biz/2016/12/123_220610.html|title=SK conducts sweeping personnel reshuffle|date=21 December 2016|access-date=9 July 2017|archive-date=22 December 2016|archive-url=https://web.archive.org/web/20161222181852/http://www.koreatimes.co.kr/www/news/biz/2016/12/123_220610.html|url-status=live}}</ref>

* [[Chey Tae-won]] <small>([[Chairman]] & [[CEO]])</small>

* Cho Dae-sik <small>(Chairman of the SUPEX Council (de facto head))</small><ref>{{cite web |url=https://www.koreatimes.co.kr/www/news/biz/2016/12/123_220610.html |title=SK conducts sweeping personnel reshuffle |date=21 December 2016 |access-date=9 July 2017 |archive-date=22 December 2016 |archive-url=https://web.archive.org/web/20161222181852/http://www.koreatimes.co.kr/www/news/biz/2016/12/123_220610.html |url-status=live}}</ref>

}}

| industry = [[Conglomerate (company)|Conglomerate]]

| industry = [[Conglomerate (company)|Conglomerate]]

| products = [[Energy]] & [[Chemical]]s, [[Telecommunications]],<br /> [[International trade|Trading]] & [[Service (economics)|Services]], [[Semiconductors]]

| products = [[Energy]] and [[chemical]]s, [[telecommunications]], [[information technology]], [[International trade|trading]] and [[Service (economics)|services]], [[semiconductors]]

| subsid = {{Plain list|

| revenue =

* [[SK Innovation]]

| net_income =

* [[SK Telecom]]

| net_income_year =

* [[SK Hynix]]

| assets =

* [[SK Inc.]]

| owners =

}}

| num_employees =

| homepage = {{URL|http://www.sk.com/en/}}

| homepage = {{URL|http://www.sk.com/en/}}

}}

}}



'''SK Group''' ([[Korean language|Korean]]: SK그룹, 에스케이그룹) is a South Korean [[Multinational corporation|multinational]] [[manufacturing]] and [[services sector|services]] [[Conglomerate (company)|conglomerate]] headquartered in [[Seoul]]. A [[chaebol]] (Korean family-owned conglomerate), SK Group is second largest such conglomerate by revenue in South Korea, after [[Samsung|Samsung Group]]. Through a number of subsidiaries, it is engaged in various businesses, including manufacture of [[chemicals]] and [[Petrochemical|petrochemicals]], [[Semiconductor|semiconductors]], [[flash memory]] and miscellaneous [[information technology]], as well providing [[telecommunications]] services worldwide among its other less notable ventures.

'''SK Group''' ([[Korean language|Korean]]: SK그룹, 에스케이그룹) is a South Korean [[conglomerate (company)|conglomerate]], and the second-largest [[chaebol]] in South Korea. SK Group is composed of 186 subsidiary companies that share the SK brand name and the group's management culture, named SKMS (SK Management System). It changed its name from '''Sunkyong Group''' ([[Korean language|Korean]]: 선경그룹, [[Hanja]] : 鮮京그룹) to SK Group in 1998. The cornerstone of SK Group is its energy and chemicals division.<ref>{{Cite web|url=https://www.encyclopedia.com/books/politics-and-business-magazines/sk-group|title=SK Group {{!}} Encyclopedia.com|website=www.encyclopedia.com|access-date=2020-03-25|archive-date=2020-03-26|archive-url=https://web.archive.org/web/20200326055535/https://www.encyclopedia.com/books/politics-and-business-magazines/sk-group|url-status=live}}</ref>



The conglomerate is composed of 186 subsidiaries and affiliates that share the SK brand name and the group's management culture, named SKMS (SK Management System). It changed its name from '''Sunkyong Group''' ([[Korean language|Korean]]: 선경그룹, [[Hanja]]: 鮮京그룹) to SK Group in 1998. The group is controlled by estate of [[Chey Tae-won]] through a holding company, [[SK Inc.]] The cornerstone of SK Group is its energy and chemicals division.<ref>{{Cite web |title=SK Group {{!}} Encyclopedia.com |url=https://www.encyclopedia.com/books/politics-and-business-magazines/sk-group |url-status=live |archive-url=https://web.archive.org/web/20200326055535/https://www.encyclopedia.com/books/politics-and-business-magazines/sk-group |archive-date=2020-03-26 |access-date=2020-03-25 |publisher=www.encyclopedia.com}}</ref>

While its largest businesses are primarily involved in the [[chemical]], [[petroleum]], and [[energy]] industries, SK Group also owns South Korea's largest wireless mobile phone service provider, [[SK Telecom]], and provides services in [[construction]], [[marketing]], local [[telephone]], high-speed [[Internet]], and wireless broadband ([[WiBro]]). SK further broadened its business to a [[semiconductor industry]] by incorporating [[Hynix]] into the group.<ref>{{cite news |author=<!--Staff writer(s)/noby-line.--> |date=February 14, 2012 |title=SK Telecom completes Hynix takeover |url=https://en.yna.co.kr/view/AEN20120214008000320?section=search |work=[[Yonhap News Agency|Yonhap]] |location=[[Seoul]] |access-date=}}</ref>


While its largest businesses are primarily involved in the [[energy]], [[petroleum]], and [[chemical]] industries, the group also owns the nation's largest wireless mobile phone service provider [[SK Telecom]], and provides services in [[construction]], [[marketing]], local [[telephone]] communications, high-speed internet, and wireless broadband [[WiBro]]. Since 2012, [[SKHynix]], one of the world's largest [[random access memory]] and [[semiconductor]] manufacturers, has also been majority ownedbythe group.



== History ==

== History ==

===Formation and early production===

===Formation and early production===

As with many other [[chaebol]]s, SK Group's chairmanship was 'inherited' from father to son: from its founder the late Chey Jong-hyon to its present chairman [[Chey Tae-won]] (eldest son). Chey Tae-won is married to the daughter of the former South Korean President [[Roh Tae-woo]].<ref>{{cite book|last=Ungson & Wong|title=Global Strategic Management|year=2008|publisher=M.E. Sharpe|url=https://books.google.com/books?id=-Mv7U69x9mcC&pg=PA462|isbn=9780765628978|access-date=2016-03-21|archive-date=2020-08-19|archive-url=https://web.archive.org/web/20200819145914/https://books.google.com/books?id=-Mv7U69x9mcC&pg=PA462|url-status=live}}</ref>

As with many other [[chaebol]]s, SK Group's chairmanship was 'inherited' from father to son: from its founder the late Chey Jong-hyon to its present chairman [[Chey Tae-won]] (eldest son). Chey Tae-won was married to the daughter of the former South Korean President [[Roh Tae-woo]] until 2015.<ref>{{cite book|last=Ungson & Wong|title=Global Strategic Management|year=2008|publisher=M.E. Sharpe|url=https://books.google.com/books?id=-Mv7U69x9mcC&pg=PA462|isbn=9780765628978|access-date=2016-03-21|archive-date=2020-08-19|archive-url=https://web.archive.org/web/20200819145914/https://books.google.com/books?id=-Mv7U69x9mcC&pg=PA462|url-status=live}}</ref>



SK Group began when the current founders acquired Sunkyong Textiles (established during the [[Korea under Japanese rule|Japanese rule]] as a joint venture with the [[Kyoto]]-based Kyoto Textile Company) in 1953.<ref>{{cite book |title=Big Business—Strong State |last=Mee Kim |first=Eun |year=1999 |publisher=SUNY Press |isbn=978-0-7914-3209-9 |page=91 }}</ref> In 1958, the company manufactured Korea's first [[polyester]] fiber on company grounds. It established Sunkyong Fibers Ltd. in July 1969, and started to produce original yarn. In 1973, SK then established Sunkyong Oil, beginning a vertical integration strategy to manage production, "From Petroleum to Fibers". That same year, the company acquired the Walkerhill Hotel.

SK Group began when the current founders acquired Sunkyong Textiles (founded during the [[Korea under Japanese rule|Japanese rule]] as a joint venture between two Japanese companies, Senman Chutan and [[Kyoto]]-based Kyoto Orimono Company) from South Korean government as abandoned property of Japan in 1953.<ref>{{cite book |title=Big Business—Strong State |last=Mee Kim |first=Eun |year=1999 |publisher=SUNY Press |isbn=978-0-7914-3209-9 |page=91 }}</ref> In 1958, the company manufactured Korea's first [[polyester]] fiber on company grounds. It established Sunkyong Fibers Ltd. in July 1969, and started to produce original yarn. In 1973, SK then established Sunkyong Oil, beginning a vertical integration strategy to manage production, "From Petroleum to Fibers". That same year, the company acquired the Walkerhill Hotel.



In 1976, Sunkyong Corporation received an international trading company license from the Indian government.<ref>{{cite news |title=Diversifying into the Global Marketplace |publisher=Korean Integrated News Database System |date=August 30, 2001 |url=http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100201.20010830KTM0007 |url-status=dead |archive-url=https://web.archive.org/web/20080311012550/http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100201.20010830KTM0007 |archive-date=March 11, 2008 }}</ref> In December 1980 SK purchased privately run Korea National Oil, making it Korea's fifth largest [[Conglomerate (company)|conglomerate]].<ref>{{cite book |title=Financial Crisis and Transformation of Korean Business Groups |url=https://archive.org/details/financialcrisist00chan |url-access=limited |last=Chang |first=Se-jin |year=2003 |publisher=Cambridge University Press |isbn=978-0-521-81435-5 |page=[https://archive.org/details/financialcrisist00chan/page/n83 70] }}</ref>

In 1976, Sunkyong Corporation received an international trading company license from the Indian government.<ref>{{cite news |title=Diversifying into the Global Marketplace |publisher=Korean Integrated News Database System |date=August 30, 2001 |url=http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100201.20010830KTM0007 |url-status=dead |archive-url=https://web.archive.org/web/20080311012550/http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100201.20010830KTM0007 |archive-date=March 11, 2008 }}</ref> In December 1980 SK purchased privately run Korea National Oil, making it Korea's fifth largest [[Conglomerate (company)|conglomerate]].<ref>{{cite book |title=Financial Crisis and Transformation of Korean Business Groups |url=https://archive.org/details/financialcrisist00chan |url-access=limited |last=Chang |first=Se-jin |year=2003 |publisher=Cambridge University Press |isbn=978-0-521-81435-5 |page=[https://archive.org/details/financialcrisist00chan/page/n83 70] }}</ref>

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In June 1994, SK entered Korea's telecommunications business by becoming Korea Mobile Telecommunication Service's largest shareholder.<ref>{{Cite web|url=http://www.sktelecom.com/eng/jsp/sktelecom/ourhistory/History.jsp|archive-url=https://web.archive.org/web/20080428214434/http://www.sktelecom.com/eng/jsp/sktelecom/ourhistory/History.jsp|url-status=dead|title=SKtelecom.com|archive-date=April 28, 2008}}</ref> In January 1996, SK Telecom launched Korea's first commercial [[CDMA]] cellular phone service in [[Incheon]] and [[Bucheon]].<ref>{{cite book |title=Sustaining Corporate Growth: Harnessing Your Strategic Strengths |last=Kearney (Firm) |first=Kearney, Inc, A. T |year=2000 |publisher=CRC Press |isbn=978-1-57444-289-2 |page=[https://archive.org/details/sustainingcorpor0000atke/page/75 75] |url-access=registration |url=https://archive.org/details/sustainingcorpor0000atke/page/75 }}</ref>

In June 1994, SK entered Korea's telecommunications business by becoming Korea Mobile Telecommunication Service's largest shareholder.<ref>{{Cite web|url=http://www.sktelecom.com/eng/jsp/sktelecom/ourhistory/History.jsp|archive-url=https://web.archive.org/web/20080428214434/http://www.sktelecom.com/eng/jsp/sktelecom/ourhistory/History.jsp|url-status=dead|title=SKtelecom.com|archive-date=April 28, 2008}}</ref> In January 1996, SK Telecom launched Korea's first commercial [[CDMA]] cellular phone service in [[Incheon]] and [[Bucheon]].<ref>{{cite book |title=Sustaining Corporate Growth: Harnessing Your Strategic Strengths |last=Kearney (Firm) |first=Kearney, Inc, A. T |year=2000 |publisher=CRC Press |isbn=978-1-57444-289-2 |page=[https://archive.org/details/sustainingcorpor0000atke/page/75 75] |url-access=registration |url=https://archive.org/details/sustainingcorpor0000atke/page/75 }}</ref>



In 1998, Management re-branded Sunkyong to SK.<ref>{{cite web|url=http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100101.19980105KRM0008 |title=Sunkyong Sets Sails as SK Group Today |access-date=2008-01-23 |url-status=dead |archive-url=https://web.archive.org/web/20080311012527/http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100101.19980105KRM0008 |archive-date=March 11, 2008 }}</ref> In 1999, SK Chemicals developed third-generation (non cross resistant) platinum-complex anti-cancer agent.<ref>{{cite news|title=Korea's first locally developed drug gets KFDA approval|publisher=Korean Integrated News Database System|date=July 15, 1999|url=http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100101.19990715KRM0040|url-status=dead|archive-url=https://web.archive.org/web/20080311012532/http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100101.19990715KRM0040|archive-date=March 11, 2008}}</ref> Also, by focusing its research and development efforts on life sciences, SK Corporation developed YKP1358, a new drug candidate for [[schizophrenia]], in 2003.<ref>{{cite news|title=SK gets nod to test Schizophrenia drug|publisher=Korean Integrated News Database System|date=September 7, 2003|url=http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100101.20031007KRM0019|url-status=dead|archive-url=https://web.archive.org/web/20080311012545/http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100101.20031007KRM0019|archive-date=March 11, 2008}}</ref><ref>{{cite news|title=SK Corporation Announces Another IND, Schizophrenia Drug YKP1358|publisher=High Beam Research |date= October 8, 2003 |url= http://www.highbeam.com/doc/1G1-108638092.html |archive-url= https://web.archive.org/web/20110517001709/http://www.highbeam.com/doc/1G1-108638092.html |url-status= dead |archive-date= May 17, 2011 }}</ref>

In 1998, Management re-branded Sunkyong to SK.<ref>{{cite web|url=http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100101.19980105KRM0008 |title=Sunkyong Sets Sails as SK Group Today |access-date=2008-01-23 |url-status=dead |archive-url=https://web.archive.org/web/20080311012527/http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100101.19980105KRM0008 |archive-date=March 11, 2008 }}</ref> In 1999, SK Chemicals developed third-generation (non cross resistant) platinum-complex anti-cancer agent.<ref>{{cite news|title=Korea's first locally developed drug gets KFDA approval|publisher=Korean Integrated News Database System|date=July 15, 1999|url=http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100101.19990715KRM0040|url-status=dead|archive-url=https://web.archive.org/web/20080311012532/http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100101.19990715KRM0040|archive-date=March 11, 2008}}</ref> Also, by focusing its research and development efforts on life sciences, SK Corporation developed YKP1358, a new drug candidate for [[schizophrenia]], in 2003.<ref>{{cite news|title=SK gets nod to test Schizophrenia drug|publisher=Korean Integrated News Database System|date=September 7, 2003|url=http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100101.20031007KRM0019|url-status=dead|archive-url=https://web.archive.org/web/20080311012545/http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100101.20031007KRM0019|archive-date=March 11, 2008}}</ref><ref>{{cite news|title=SK Corporation Announces Another IND, Schizophrenia Drug YKP1358 |date= October 8, 2003 |url= http://www.highbeam.com/doc/1G1-108638092.html |archive-url= https://web.archive.org/web/20110517001709/http://www.highbeam.com/doc/1G1-108638092.html |url-status= dead |archive-date= May 17, 2011 }}</ref>



In 2002, SK Telecom successfully launched the world's first commercial [[CDMA]] 1X [[EV-DO]] technology, allowing it to offer [[3G]] telecommunications service.<ref>{{cite news|title=South Korea the World's First 3G Network|publisher=3GNewsroom.com|date=May 31, 2001|url=http://www.3gnewsroom.com/3g_news/may_01/news_0709.shtml|url-status=dead|archive-url=https://web.archive.org/web/20080310183835/http://www.3gnewsroom.com/3g_news/may_01/news_0709.shtml|archive-date=March 10, 2008}}</ref><ref>{{cite news|title=SK Starts New Generation Mobile Phone Service|publisher=Korean Integrated News Database System|date=January 27, 2002|url=http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100201.20020127KTM0032|url-status=dead|archive-url=https://web.archive.org/web/20080311012556/http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100201.20020127KTM0032|archive-date=March 11, 2008}}</ref> In 2004, SK Telecom enabled satellite [[Digital Multimedia Broadcasting|DMB]] service by deploying the world's first DMB satellite.<ref>{{cite news|title=Questions, Expectations over DMB Service|publisher=Korea.net|date=March 20, 2004|url=http://www.kois.go.kr/news/news/NewsView.asp?serial_no=20040319010&part=107&SearchDay=|url-status=dead|archive-url=https://web.archive.org/web/20080310221934/http://www.kois.go.kr/news/news/NewsView.asp?serial_no=20040319010&part=107&SearchDay=|archive-date=March 10, 2008}}</ref> 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.<ref>{{cite web | url = http://www.umts-forum.org/content/view/984/85/ | title = SK Telecom Selects LGE, Nortel UMTS/HSDPA Wireless Broadband Technology | access-date = 2008-01-23 | archive-date = 2011-07-18 | archive-url = https://web.archive.org/web/20110718015934/http://www.umts-forum.org/content/view/984/85/ | url-status = live }}</ref>

In 2002, SK Telecom successfully launched the world's first commercial [[CDMA]] 1X [[EV-DO]] technology, allowing it to offer [[3G]] telecommunications service.<ref>{{cite news|title=South Korea the World's First 3G Network|publisher=3GNewsroom.com|date=May 31, 2001|url=http://www.3gnewsroom.com/3g_news/may_01/news_0709.shtml|url-status=dead|archive-url=https://web.archive.org/web/20080310183835/http://www.3gnewsroom.com/3g_news/may_01/news_0709.shtml|archive-date=March 10, 2008}}</ref><ref>{{cite news|title=SK Starts New Generation Mobile Phone Service|publisher=Korean Integrated News Database System|date=January 27, 2002|url=http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100201.20020127KTM0032|url-status=dead|archive-url=https://web.archive.org/web/20080311012556/http://www.kinds.or.kr/main/search/searchcontent.php?docid=03100201.20020127KTM0032|archive-date=March 11, 2008}}</ref> In 2004, SK Telecom enabled satellite [[Digital Multimedia Broadcasting|DMB]] service by deploying the world's first DMB satellite.<ref>{{cite news|title=Questions, Expectations over DMB Service|publisher=[[Korea.net]]|date=March 20, 2004|url=http://www.kois.go.kr/news/news/NewsView.asp?serial_no=20040319010&part=107&SearchDay=|url-status=dead|archive-url=https://web.archive.org/web/20080310221934/http://www.kois.go.kr/news/news/NewsView.asp?serial_no=20040319010&part=107&SearchDay=|archive-date=March 10, 2008}}</ref> 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.<ref>{{cite web | url = http://www.umts-forum.org/content/view/984/85/ | title = SK Telecom Selects LGE, Nortel UMTS/HSDPA Wireless Broadband Technology | access-date = 2008-01-23 | archive-date = 2011-07-18 | archive-url = https://web.archive.org/web/20110718015934/http://www.umts-forum.org/content/view/984/85/ | url-status = live }}</ref>



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.<ref>{{cite news |title=SK Energy Acquires Oil Production Rights in Brazil |publisher=Korea.net |date=July 30, 2007 |url=http://korea.net/news/news/NewsView.asp?serial_no=20070730019&part=107&SearchDay= |access-date=2008-01-25 |archive-url=https://web.archive.org/web/20080310212841/http://korea.net/news/news/NewsView.asp?serial_no=20070730019&part=107&SearchDay= |archive-date=2008-03-10 |url-status=dead }}</ref>

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.<ref>{{cite news |title=SK Energy Acquires Oil Production Rights in Brazil |publisher=[[Korea.net]] |date=July 30, 2007 |url=http://korea.net/news/news/NewsView.asp?serial_no=20070730019&part=107&SearchDay= |access-date=2008-01-25 |archive-url=https://web.archive.org/web/20080310212841/http://korea.net/news/news/NewsView.asp?serial_no=20070730019&part=107&SearchDay= |archive-date=2008-03-10 |url-status=dead }}</ref>



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.<ref>{{cite web | url = http://www.iht.com/articles/2005/09/04/bloomberg/sxsk.php | title = SK Corp. buys Inchon to raise oil exports | access-date = 2008-01-23 | archive-date = 2008-03-16 | archive-url = https://web.archive.org/web/20080316142536/http://www.iht.com/articles/2005/09/04/bloomberg/sxsk.php | url-status = live }}</ref> SK Energy is currently engaged in 27 oil fields in 15 countries worldwide

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.<ref>{{cite web | url = http://www.iht.com/articles/2005/09/04/bloomberg/sxsk.php | title = SK Corp. buys Inchon to raise oil exports | access-date = 2008-01-23 | archive-date = 2008-03-16 | archive-url = https://web.archive.org/web/20080316142536/http://www.iht.com/articles/2005/09/04/bloomberg/sxsk.php | url-status = live }}</ref> SK Energy is currently engaged in 27 oil fields in 15 countries worldwide



SKC imported [[propylene oxide]] (PO, a chemical used in manufacturing [[polyurethane]]) production technology from Germany in May 2006. It is scheduled to produce 100,000 tons of PO from 2008.<ref>{{cite news |title=Uhde will build SKC HPPO unit |publisher=Korea.net |date=May 22, 2006 |url=http://www.icis.com/Articles/2006/05/19/2014111/uhde-will-build-skc-hppo-unit.html |access-date=January 25, 2008 |archive-date=March 10, 2008 |archive-url=https://web.archive.org/web/20080310234339/http://www.icis.com/Articles/2006/05/19/2014111/uhde-will-build-skc-hppo-unit.html |url-status=live }}</ref>

SKC imported [[propylene oxide]] (PO, a chemical used in manufacturing [[polyurethane]]) production technology from Germany in May 2006. It is scheduled to produce 100,000 tons of PO from 2008.<ref>{{cite news |title=Uhde will build SKC HPPO unit |publisher=[[Korea.net]] |date=May 22, 2006 |url=http://www.icis.com/Articles/2006/05/19/2014111/uhde-will-build-skc-hppo-unit.html |access-date=January 25, 2008 |archive-date=March 10, 2008 |archive-url=https://web.archive.org/web/20080310234339/http://www.icis.com/Articles/2006/05/19/2014111/uhde-will-build-skc-hppo-unit.html |url-status=live }}</ref>



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.<ref>{{cite news | url = http://uk.reuters.com/article/oilRpt/idUKSEO31873720070411 | title = SK Corp to split as adopts holding co. structure | work = Reuters | access-date = 2008-01-23 | date = April 11, 2007 | archive-date = 2009-01-12 | archive-url = https://web.archive.org/web/20090112024024/http://uk.reuters.com/article/oilRpt/idUKSEO31873720070411 | url-status = live }}</ref><ref>{{cite web | url = https://www.koreatimes.co.kr/www/news/biz/2007/07/123_5759.html | title = SK Launches Holding Company System | access-date = 2008-01-23 |archive-url = https://web.archive.org/web/20070930011204/https://www.koreatimes.co.kr/www/news/biz/2007/07/123_5759.html <!-- Bot retrieved archive --> |archive-date = 2007-09-30| date = 2007-07-02 }}</ref>

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.<ref>{{cite news | url = http://uk.reuters.com/article/oilRpt/idUKSEO31873720070411 | title = SK Corp to split as adopts holding co. structure | work = Reuters | access-date = 2008-01-23 | date = April 11, 2007 | archive-date = 2009-01-12 | archive-url = https://web.archive.org/web/20090112024024/http://uk.reuters.com/article/oilRpt/idUKSEO31873720070411 | url-status = live }}</ref><ref>{{cite web | url = https://www.koreatimes.co.kr/www/news/biz/2007/07/123_5759.html | title = SK Launches Holding Company System | access-date = 2008-01-23 |archive-url = https://web.archive.org/web/20070930011204/https://www.koreatimes.co.kr/www/news/biz/2007/07/123_5759.html <!-- Bot retrieved archive --> |archive-date = 2007-09-30| date = 2007-07-02 }}</ref>

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In February 2017, SK acquired the polyethylene acrylic acid business of [[Dow Chemical Company]] for $370 million,<ref>[https://www.reuters.com/article/deals-day-idUSL4N1FN2KN Reuters] {{Webarchive|url=https://web.archive.org/web/20170409232758/http://www.reuters.com/article/deals-day-idUSL4N1FN2KN |date=2017-04-09 }} Reuters Deals</ref> and planned to increase battery production capacity from 1.9 to 3.9 GWh per year at the end of 2018, supplying Kia and Mercedes.<ref>{{cite web|url=https://electrek.co/2017/03/06/sk-innovation-expanding-battery/|title=SK Innovation is doubling its battery production for electric vehicles to 4GWh/year to support demand from Mercedes and others|date=6 March 2017|work=Electrek|access-date=6 March 2017|archive-date=7 March 2017|archive-url=https://web.archive.org/web/20170307050006/https://electrek.co/2017/03/06/sk-innovation-expanding-battery/|url-status=live}}</ref>

In February 2017, SK acquired the polyethylene acrylic acid business of [[Dow Chemical Company]] for $370 million,<ref>[https://www.reuters.com/article/deals-day-idUSL4N1FN2KN Reuters] {{Webarchive|url=https://web.archive.org/web/20170409232758/http://www.reuters.com/article/deals-day-idUSL4N1FN2KN |date=2017-04-09 }} Reuters Deals</ref> and planned to increase battery production capacity from 1.9 to 3.9 GWh per year at the end of 2018, supplying Kia and Mercedes.<ref>{{cite web|url=https://electrek.co/2017/03/06/sk-innovation-expanding-battery/|title=SK Innovation is doubling its battery production for electric vehicles to 4GWh/year to support demand from Mercedes and others|date=6 March 2017|work=Electrek|access-date=6 March 2017|archive-date=7 March 2017|archive-url=https://web.archive.org/web/20170307050006/https://electrek.co/2017/03/06/sk-innovation-expanding-battery/|url-status=live}}</ref>



In July 2022, SK Group announced a $22 billion investment in the United States semiconductor, green energy bioscience and other technology industries. In total, SK Group will invest over $52 billion in the United States by 2025.<ref>{{Cite web |title=Biden hails $22 bln investment by S. Korea's SK Group |url=https://sg.news.yahoo.com/biden-hails-22-bln-investment-130443117.html |access-date=2022-07-27 |website=sg.news.yahoo.com |language=en-SG}}</ref>

On March 31, 2017, SK Innovation said that the [[electric vehicle]] battery plant it had in China had been closed since January of that year, after "Chinese joint venture partners halted production for no obvious reason."<ref name=ft-lgchem>{{cite news |last=Jung-a |first=Song |date=April 2, 2017 |title=LG Chem holds faith in China despite battery of obstacles |url=https://www.ft.com/content/f0d1e8de-16e4-11e7-a53d-df09f373be87 |work=[[Financial Times]] |access-date=April 3, 2017 |archive-date=August 3, 2020 |archive-url=https://web.archive.org/web/20200803074906/https://www.ft.com/content/f0d1e8de-16e4-11e7-a53d-df09f373be87 |url-status=live }}</ref>


On March 21, 2018, SK Innovation announced the acquisition of U.S. shale oil and gas company Longfellow Nemaha.<ref>{{Cite news|url=http://english.yonhapnews.co.kr/news/2018/03/21/0200000000AEN20180321005100320.html|title=SK Innovation's U.S. unit to buy U.S. gas exploration firm Longfellow Nemaha|work=Yonhap News Agency|access-date=2018-03-21|language=en|archive-date=2018-03-22|archive-url=https://web.archive.org/web/20180322015726/http://english.yonhapnews.co.kr/news/2018/03/21/0200000000AEN20180321005100320.html|url-status=live}}</ref>


In February 2021, the U.S. [[International Trade Commission]] (ITC) banned some SK lithium-ion batteries from being imported into USA, while allowing some components for US assembly to be delivered to Ford and Volkswagen.<ref>{{cite web |last1=Yang |first1=David Shepardson, Heekyong |title=SK Innovation loses U.S. battery trade case but gets temporary OK to sell to Ford, VW |url=https://www.reuters.com/article/us-lg-chem-sk-innovation-lawsuit-idUSKBN2AA2WR |website=[[Reuters]] |archive-url=https://web.archive.org/web/20210210233858/https://www.reuters.com/article/us-lg-chem-sk-innovation-lawsuit-idUSKBN2AA2WR |archive-date=10 February 2021 |language=en |date=10 February 2021 |quote=permit SK to import components for domestic production of lithium ion batteries and other parts for Ford Motor Co’s EV F-150 program for four years, and for Volkswagen of America’s MEB electric vehicle line for the North America region for two years. |url-status=live}}</ref>


In September 2021, Ford and SK Innovation announced a joint venture to manufacture batteries in the Kentucky/Tennessee region for Ford motor vehicles.<ref>[https://media.ford.com/content/fordmedia/fna/us/en/news/2021/09/27/ford-to-lead-americas-shift-to-electric-vehicles.html Ford to Lead America’s Shift to Electric Vehicles with New Mega Campus in Tennessee and Twin Battery Plants in Kentucky; $11.4B Investment to Create 11,000 Jobs and Power New ...<!-- Bot generated title -->]</ref>



== Subsidiaries ==

== Subsidiaries ==

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=== Energy & Chemicals ===

=== Energy & Chemicals ===

* '''[[SK Innovation]]''' ({{kse|096770}}) is a South Korean enterprise formed as part of the July 1, 2007 reorganization of SK Corporation into a holding company and operating company, SK Inc. and SK Energy, respectively. In 2011, the petroleum business was spun off to become SK Energy. Simultaneously the chemical business was spun off to become SK Innovation. SK Energy was founded in 1962 as Korea's first oil refinery. In 1982, changed company name to '''Yukong'''. 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 engaged in exploration and development activities in 26 oil / gas blocks in 14 nations worldwide.<ref>{{cite news|title= China Aviation faces 3rd creditor lawsuit|work= International Herald Tribune|date= February 24, 2005|url= http://www.iht.com/articles/2005/02/23/bloomberg/sxsk.php|access-date= September 3, 2007|archive-date= March 16, 2008|archive-url= https://web.archive.org/web/20080316142500/http://www.iht.com/articles/2005/02/23/bloomberg/sxsk.php|url-status= live}}</ref><ref>{{cite news|title=New probe hits SK chief|publisher=[[BBC News]]|date=September 22, 2003|url=http://news.bbc.co.uk/1/hi/business/3128154.stm|access-date=September 3, 2007|archive-date=June 8, 2004|archive-url=https://web.archive.org/web/20040608173724/http://news.bbc.co.uk/1/hi/business/3128154.stm|url-status=live}}</ref><ref>{{Cite web|last=Byung-wook|first=Kim|date=2022-01-26|title=SKC bets $80m for next-generation EV battery materials|url=http://www.koreaherald.com/view.php?ud=20220126000439|access-date=2022-01-26|website=[[The Korea Herald]]|language=en}}</ref>


* '''SKC''' ({{kse|011790}}), headquartered in [[Seoul]], is the leading Korean company in chemical and film industry. SKC was founded and established in 1976 as previous name of Sunkyong Chemicals Ltd ([[Korean language|Korean]]: 선경화학 (주)). SKC developed polyester films firstly in Korea, by its own efforts. With its main plant and R&D center located in [[Suwon]], [[South Korea]], it also operates large capacity of film plant in [[Covington, Georgia]], United States.

*'''[[SK Innovation]]''' ({{kse|096770}}) and '''SK Energy''' is a South Korean enterprise formed as part of the July 1, 2007, reorganization of SK Corporation into a holding company and operating company, SK Holdings and SK Energy, respectively. In 2011, the petroleum business was spun off to become SK Energy. Simultaneously the chemical business was spun off to become SK Innovation. SK Energy was founded in 1962 as Korea's first oil refinery. In 1982, changed company name to '''Yukong'''. 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 engaged in exploration and development activities in 26 oil / gas blocks in 14 nations worldwide.<ref>{{cite news|title= China Aviation faces 3rd creditor lawsuit|work= International Herald Tribune|date= February 24, 2005|url= http://www.iht.com/articles/2005/02/23/bloomberg/sxsk.php|access-date= September 3, 2007|archive-date= March 16, 2008|archive-url= https://web.archive.org/web/20080316142500/http://www.iht.com/articles/2005/02/23/bloomberg/sxsk.php|url-status= live}}</ref><ref>{{cite news|title=New probe hits SK chief|publisher=BBC News|date=September 22, 2003|url=http://news.bbc.co.uk/1/hi/business/3128154.stm|access-date=September 3, 2007|archive-date=June 8, 2004|archive-url=https://web.archive.org/web/20040608173724/http://news.bbc.co.uk/1/hi/business/3128154.stm|url-status=live}}</ref><ref>{{Cite web|last=Byung-wook|first=Kim|date=2022-01-26|title=SKC bets $80m for next-generation EV battery materials|url=http://www.koreaherald.com/view.php?ud=20220126000439|access-date=2022-01-26|website=The Korea Herald|language=en}}</ref>

* '''SKC''' ({{kse|011790}}), headquartered in [[Seoul]], is the leading Korean company in chemical and film industry. SKC was founded and established in 1976 as previous name of Sunkyong Chemicals Ltd ([[Korean language|Korean]]: 선경화학 (주)). SKC developed polyester films firstly in Korea, by its own efforts. 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 ([http://www.skcfilms.com/ SKC Inc.]) in [[Georgia (U.S. state)|Georgia]], United States. 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, battery components, LEDs and photovoltaic materials.

* '''SK E&S''' was launched as a holding company of its city gas business in 1999. It has since expanded its scope of business to include LNG, electricity, community energy, renewable energy and overseas energy. SK E&S operates and supplies electricity from its natural gas power plants. The company secures competitively priced LNG, thus ensuring stable electricity supply and demand in Korea. SK E&S aspires to become a Global Clean Energy & Solution Provider both in Korea and overseas.

* '''SK Energy''' began in 1962 as Korea Oil Corporation, the first oil refinery in the country. The company has since contributed to national economic development by producing, exporting, and distributing petroleum products. SK energy's Ulsan Complex can process up to 840,000 barrels of crude oil per day, supplying petroleum products to both domestic and international markets. The company is continuously improving the speed and flexibility of company-wide value chains in order to preemptively respond to the increasing price volatility of oil and oil products.

* '''SK Geo centric''' has pioneered the Korean chemical industry by investing in facilities, research and development (R&D), and technological advancement ever since operations began at its first petrochemical production site in Korea in 1972. Leveraging the base oil business, technological development of catalysts and products, and the establishment of global partnerships, SK geo centic has successfully grown into a global chemical company that supplies a diverse array of products. SK geo centric provides advanced materials for automobiles, electronics, telecommunications, consumer goods, and more.

* '''SK Lubricants''' Since 1968, SK lubricants has specialized in lubricants and lube base oil. It has been a pioneer in the Korean lubricant market. The company was spun off as a subsidiary of SK innovation in 2009. SK lubricants projected strong growth of the premium lube base oil market; premium lube base oil accounts for 70 percent of the ingredients in highly fuel-efficient, eco-friendly lubricant products and high-quality lubricants.



=== Information & Communications Technology ===

=== Information & Communications Technology ===

* '''[[SK Telecom]]''' ({{kse|017670}})


* '''SK Square''' ({{kse|402340}}) is a portfolio management company.

*'''[[SK Telecom]]''' ({{kse|017670}}) has been driving the development of Korea's mobile communications industry, commercializing the world's first CDMA in 1996, the world's first LTE-A in 2013 and the world's first 5G in 2019. The company was also the first in the world to launch a 5G commercial service, marked by wide coverage, high speed and strong security. With the spirit that has led the evolution of the industry, SK Telecom is set to move forward to pursue Hyper-Innovation to improve the quality of customers’ lives and accelerate the growth of the Korean economy.

* '''[[SK Inc.|SK Inc. 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.

*'''SK Square''' ({{kse|402340}}) is an active portfolio management company with a wealth of experience accumulated through managing semiconductor and ICT platform businesses, and a proven track record of investment performance such as SK Hynix and SK Shieldus. SK Square possesses specialized investment insights into the semiconductor and ICT sectors as well as a unique positioning with its subsidiary company SK Hynix, a top global semiconductor supplier and sister company of SK Telecom, Korea’s no.1 telecommunications company.

*'''SK Planet''' 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 Inc.|SK Inc. 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 Broadband''' is a Korean telecommunications company, and a wholly owned subsidiary of SK telecom. Headquartered in Seoul, South Korea, SK broadband provides media, communications, and data services to residential, business, governmental, and wholesale customers.

*'''11streetco.,ltd''' operates its business with "11Street" at its core, which is one of the leading online marketplaces in Korea. Through bold changes and innovation, 11Street is evolving into a "commerce portal" that provides everything for shopping, from obtaining information to product search and purchase. Since its entrance into the e-commerce market in February 2008 as an online marketplace of Korean origin, 11Street hasimproved its services and technology to become the most advanced online marketplace that provides pleasant and memorable experience to customers and business success and rewarding experience to sellers.



=== Semiconductor & Materials ===

=== Semiconductor & Materials ===

*'''[[SK Hynix]]''' ({{kse|000660}}) is the world's 3rd-largest semiconductor manufacturer and the 2nd-largest in South Korea after [[Samsung Electronics]] which is the leader in the global [[semiconductor industry]]. SK Hynix was founded in 1983 as "Hyundai Electronics", which is the origin of its name "Hynix", and merged to SK Group in 2012 when SK Telecom became the major shareholder. The major products are [[DRAM]], [[flash memory]], and many other semiconductor materials. While its headquarter is located at [[Icheon]], [[Gyeonggido]], it also runs a large production line at [[Cheongju]], [[Chungcheongbuk-do]].

* '''[[SK Hynix]]''' ({{kse|000660}}) is the world's 3rd-largest semiconductor manufacturer and the 2nd-largest in South Korea after [[Samsung Electronics]] which is the leader in the global [[semiconductor industry]]. SK Hynix was founded in 1983 as "Hyundai Electronics", which is the origin of its name "Hynix", and merged to SK Group in 2012 when SK Telecom became the major shareholder. The major products are [[DRAM]], [[flash memory]], and many other semiconductor materials. While its headquarter is located at [[Icheon]], [[Gyeonggido]], it also runs a large production line at [[Cheongju]], [[Chungcheongbuk-do]].

*'''SK Siltron''' is the only semiconductor wafer manufacturer in Korea, and it has grown hand in hand with the semiconductor industry over the last 35 plus years. Armed with a record-long history of mass production and accumulated know-how, the company expands its production capacity in a preemptive manner and continues to strengthen its manufacturing and technology competitiveness. At the same time, the company is expanding its business portfolio to include emerging areas such as SiC wafers. This lays a strong foundation for SK Siltron to grow to become one of the world’s best semiconductor materials players both in production volume and profitability.

* '''SK Siltron''' is the only semiconductor wafer manufacturer in Korea, and it has grown hand in hand with the semiconductor industry over the last 35 plus years. Armed with a record-long history of mass production and accumulated know-how, the company expands its production capacity in a preemptive manner and continues to strengthen its manufacturing and technology competitiveness. At the same time, the company is expanding its business portfolio to include emerging areas such as SiC wafers. This lays a strong foundation for SK Siltron to grow to become one of the world’s best semiconductor materials players both in production volume and profitability.

*'''SK Materials''' In 2001, SK Materials became the first company in Korea to domestically produce the specialty gas nitrogen trifluoride (NF3) after years of persistent research and development since its inception in 1982. The company is the unparalleled global No.1 in production and sale of NF3, maintaining over 40% of global market share. It is also the world's largest producer of tungsten hexafluoride (WF6) and second largest producer of monosilane (SiH4), while also producing and selling other gases such as dichlorosilane (SiH2Cl2) and disilane (Si2H6), thus building its global competitiveness in specialty gas and semiconductor materials. In addition, SK Materials successfully began its commercial production of high-purity (purity level of 99.999%) hydrogen fluoride (HF) gas, the supply of which used to be 100% reliant on import.



=== Logistics, Services & Bio ===

=== Logistics, Services & Bio ===

* '''SK Biopharmaceuticals''' ({{kse|326030}}) is a [[drug discovery]] and [[drug development]] company. It discovered [[solriamfetol]].<ref name=KH>{{cite news|last1=Ji-young|first1=Sohn|title=SK Biopharmaceuticals' narcolepsy drug on track to hitting US market|url=http://www.koreaherald.com/view.php?ud=20180305000684|work=[[The Korea Herald]]|date=5 March 2018|language=en|access-date=16 April 2018|archive-date=16 April 2018|archive-url=https://web.archive.org/web/20180416022520/http://www.koreaherald.com/view.php?ud=20180305000684|url-status=live}}</ref>

*'''SK Networks''' was founded in 1953 as Sunkyong Textiles, the precursor of SK Group. The company is strong in lifestyle businesses including domestic and international networks, high-quality vendors, exceptional logistics capabilities, automobile and environment, home appliance rental, and hotels and resorts. In information and communication technology (ICT) marketing, SK networks boasts the most extensive mobile phone distribution network in Korea. SK networks sold 6.5 million units in 2019, solidifying the company's position as Korea's leading mobile phone distributor. The launch of ICT products and recycling of secondhand phones are efforts to diversify business.

* '''SK pharmteco''' is a global contract development and manufacturing organization specializing in the production of active pharmaceutical ingredients (APIs), intermediates and viral vectors for cell and gene therapy for the pharmaceutical industry. SK Pharmteco operates six facilities in Europe, North America and Korea.

*'''SK Biopharmaceuticals''' ({{kse|326030}}) is a [[drug discovery]] and [[drug development]] company. It discovered [[solriamfetol]].<ref name=KH>{{cite news|last1=Ji-young|first1=Sohn|title=SK Biopharmaceuticals' narcolepsy drug on track to hitting US market|url=http://www.koreaherald.com/view.php?ud=20180305000684|work=The Korea Herald|date=5 March 2018|language=en|access-date=16 April 2018|archive-date=16 April 2018|archive-url=https://web.archive.org/web/20180416022520/http://www.koreaherald.com/view.php?ud=20180305000684|url-status=live}}</ref>

* '''SK Ecoplant''' is a Korean [[construction]] company founded and established in 1977 with a previous name of '''Sunkyong Construction''' (Korean: 선경 건설), headquartered in [[Gwanhun-dong]] [[Jongno-gu]], Seoul. Its brands include SK View, SK Hub, and Apelbaum. The company's CEO is Ki Haeng Cho. Industries: Oil & Gas, Petrochemical, Power, Environmental Protection, Industrial, Civil, Building, Housing. Services:Feasibility Study, EPC Service, Project Management, Operations & Maintenance.

*'''SK Pharmteco''' is a global contract development and manufacturing organization specializing in the production of active pharmaceutical ingredients (APIs), intermediates and viral vectors for cell and gene therapy for the pharmaceutical industry. SK Pharmteco operates six facilities in Europe, North America and Korea. Thanks to such a strong global network, the company has flexibility to meet the needs of pharmaceutical companies and expertise to comply with the regulatory requirements of developed countries. The recent trends suggest stricter regulatory standards and global companies’ changing preferences towards CMOs based in developed countries. This would provide tailwinds to SK Pharmteco’s growth as the company is equipped with a proven record of successful inspection and great facilities. In addition, the company boasts specialized technology platforms that can handle continuous processing, energetic chemistries and high potency manufacturing. Being able to produce highly sophisticated drugs, SK Pharmteco is widely regarded as a trusted partner to its pharma clients.

*'''SK Ecoplant''' is a Korean [[construction]] company founded and established in 1977 with a previous name of '''Sunkyong Construction''' (Korean: 선경 건설), headquartered in [[Gwanhun-dong]] [[Jongno-gu]], Seoul. Its brands include SK View, SK Hub, and Apelbaum. The company's CEO is Ki Haeng Cho. Industries: Oil & Gas, Petrochemical, Power, Environmental Protection, Industrial, Civil, Building, Housing. Services:Feasibility Study, EPC Service, Project Management, Operations & Maintenance.



== Management system ==

== Management system ==

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== See also ==

== See also ==

{{Portal|Companies}}

{{Portal|Companies|South Korea}}

* [[chaebol]]

* [[Chaebol]]

* [[Economy of South Korea]]

* [[Economy of South Korea]]

* [[H.A.V.E. Online]]

* [[H.A.V.E. Online]]

* [[Fallen Age]]



==References==

==References==

{{Reflist}}

{{Reflist}}


==External links==

* {{Official website|http://eng.skinnovation.com/}}



{{SK Group}}

{{SK Group}}

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[[Category:Chaebol]]

[[Category:Chaebol]]

[[Category:Companies listed on the Korea Exchange]]

[[Category:Companies listed on the Korea Exchange]]

[[Category:Companies in the KOSPI 200]]

[[Category:Conglomerate companies established in 1953]]

[[Category:Conglomerate companies established in 1953]]

[[Category:Conglomerate companies of South Korea]]

[[Category:Conglomerate companies of South Korea]]

[[Category:Electric vehicle battery manufacturers]]

[[Category:Manufacturing companies based in Seoul]]

[[Category:Manufacturing companies based in Seoul]]

[[Category:Multinational companies headquartered in South Korea]]

[[Category:Multinational companies headquartered in South Korea]]


Revision as of 06:18, 19 May 2024

SK Group

Native name

에스케이그룹
Company typePrivate
IndustryConglomerate
Founded8 April 1953; 71 years ago (1953-04-08)
FounderChey Jong-gun
HeadquartersSeoul, South Korea

Area served

Worldwide

Key people

  • Cho Dae-sik (Chairman of the SUPEX Council (de facto head))[1]
  • ProductsEnergy and chemicals, telecommunications, information technology, trading and services, semiconductors
    Subsidiaries
  • SK Telecom
  • SK Hynix
  • SK Inc.
  • Websitewww.sk.com/en/

    SK Group (Korean: SK그룹, 에스케이그룹) is a South Korean multinational manufacturing and services conglomerate headquartered in Seoul. A chaebol (Korean family-owned conglomerate), SK Group is second largest such conglomerate by revenue in South Korea, after Samsung Group. Through a number of subsidiaries, it is engaged in various businesses, including manufacture of chemicals and petrochemicals, semiconductors, flash memory and miscellaneous information technology, as well providing telecommunications services worldwide among its other less notable ventures.

    The conglomerate is composed of 186 subsidiaries and affiliates that share the SK brand name and the group's management culture, named SKMS (SK Management System). It changed its name from Sunkyong Group (Korean: 선경그룹, Hanja: 鮮京그룹) to SK Group in 1998. The group is controlled by estate of Chey Tae-won through a holding company, SK Inc. The cornerstone of SK Group is its energy and chemicals division.[2]

    While its largest businesses are primarily involved in the energy, petroleum, and chemical industries, the group also owns the nation's largest wireless mobile phone service provider SK Telecom, and provides services in construction, marketing, local telephone communications, high-speed internet, and wireless broadband WiBro. Since 2012, SK Hynix, one of the world's largest random access memory and semiconductor manufacturers, has also been majority owned by the group.

    History

    Formation and early production

    As with many other chaebols, SK Group's chairmanship was 'inherited' from father to son: from its founder the late Chey Jong-hyon to its present chairman Chey Tae-won (eldest son). Chey Tae-won was married to the daughter of the former South Korean President Roh Tae-woo until 2015.[3]

    SK Group began when the current founders acquired Sunkyong Textiles (founded during the Japanese rule as a joint venture between two Japanese companies, Senman Chutan and Kyoto-based Kyoto Orimono Company) from South Korean government as abandoned property of Japan in 1953.[4] In 1958, the company manufactured Korea's first polyester fiber on company grounds. It established Sunkyong Fibers Ltd. in July 1969, and started to produce original yarn. In 1973, SK then established Sunkyong Oil, beginning a vertical integration strategy to manage production, "From Petroleum to Fibers". That same year, the company acquired the Walkerhill Hotel.

    In 1976, Sunkyong Corporation received an international trading company license from the Indian government.[5] In December 1980 SK purchased privately run Korea National Oil, making it Korea's fifth largest conglomerate.[6]

    In January 1988, crude oil was imported for processing to Korea from Yemen's Marib oil field.[citation needed]

    Growing up years

    In June 1994, SK entered Korea's telecommunications business by becoming Korea Mobile Telecommunication Service's largest shareholder.[7] In January 1996, SK Telecom launched Korea's first commercial CDMA cellular phone service in Incheon and Bucheon.[8]

    In 1998, Management re-branded Sunkyong to SK.[9] In 1999, SK Chemicals developed third-generation (non cross resistant) platinum-complex anti-cancer agent.[10] Also, by focusing its research and development efforts on life sciences, SK Corporation developed YKP1358, a new drug candidate for schizophrenia, in 2003.[11][12]

    In 2002, SK Telecom successfully launched the world's first commercial CDMA 1X EV-DO technology, allowing it to offer 3G telecommunications service.[13][14] In 2004, SK Telecom enabled satellite DMB service by deploying the world's first DMB satellite.[15] 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.[16]

    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.[17]

    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.[18] SK Energy is currently engaged in 27 oil fields in 15 countries worldwide

    SKC imported propylene oxide (PO, a chemical used in manufacturing polyurethane) production technology from Germany in May 2006. It is scheduled to produce 100,000 tons of PO from 2008.[19]

    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.[20][21] Under the re-organization, SK's main entity, SK Corporation, was split into an investment company, now SK Inc. and an operating company, now SK Energy. The subsidiary companies that now operate under the central SK Inc. umbrella include: SK Energy, SK Telecom, SK Networks, SKC, SK E&S, SK Shipping and K Power.

    Recent years

    In February 2017, SK acquired the polyethylene acrylic acid business of Dow Chemical Company for $370 million,[22] and planned to increase battery production capacity from 1.9 to 3.9 GWh per year at the end of 2018, supplying Kia and Mercedes.[23]

    In July 2022, SK Group announced a $22 billion investment in the United States semiconductor, green energy bioscience and other technology industries. In total, SK Group will invest over $52 billion in the United States by 2025.[24]

    Subsidiaries

    SK Building in Beijing CBD

    Holdings

    Energy & Chemicals

    Information & Communications Technology

    Semiconductor & Materials

    Logistics, Services & Bio

    Management system

    SK's subsidiary companies all operate under the SK Management System (SKMS) which was developed, articulated and enhanced by SK's Chairman, Chey Tae-won.

    On April 7, 2008, SK Group launched a marketing and management company named "SK Marketing & Company" to pursue Chairman Chey's vision.

    See also

    References

    1. ^ "SK conducts sweeping personnel reshuffle". 21 December 2016. Archived from the original on 22 December 2016. Retrieved 9 July 2017.
  • ^ "SK Group | Encyclopedia.com". www.encyclopedia.com. Archived from the original on 2020-03-26. Retrieved 2020-03-25.
  • ^ Ungson & Wong (2008). Global Strategic Management. M.E. Sharpe. ISBN 9780765628978. Archived from the original on 2020-08-19. Retrieved 2016-03-21.
  • ^ Mee Kim, Eun (1999). Big Business—Strong State. SUNY Press. p. 91. ISBN 978-0-7914-3209-9.
  • ^ "Diversifying into the Global Marketplace". Korean Integrated News Database System. August 30, 2001. Archived from the original on March 11, 2008.
  • ^ Chang, Se-jin (2003). Financial Crisis and Transformation of Korean Business Groups. Cambridge University Press. p. 70. ISBN 978-0-521-81435-5.
  • ^ "SKtelecom.com". Archived from the original on April 28, 2008.
  • ^ Kearney (Firm), Kearney, Inc, A. T (2000). Sustaining Corporate Growth: Harnessing Your Strategic Strengths. CRC Press. p. 75. ISBN 978-1-57444-289-2.{{cite book}}: CS1 maint: multiple names: authors list (link)
  • ^ "Sunkyong Sets Sails as SK Group Today". Archived from the original on March 11, 2008. Retrieved 2008-01-23.
  • ^ "Korea's first locally developed drug gets KFDA approval". Korean Integrated News Database System. July 15, 1999. Archived from the original on March 11, 2008.
  • ^ "SK gets nod to test Schizophrenia drug". Korean Integrated News Database System. September 7, 2003. Archived from the original on March 11, 2008.
  • ^ "SK Corporation Announces Another IND, Schizophrenia Drug YKP1358". October 8, 2003. Archived from the original on May 17, 2011.
  • ^ "South Korea the World's First 3G Network". 3GNewsroom.com. May 31, 2001. Archived from the original on March 10, 2008.
  • ^ "SK Starts New Generation Mobile Phone Service". Korean Integrated News Database System. January 27, 2002. Archived from the original on March 11, 2008.
  • ^ "Questions, Expectations over DMB Service". Korea.net. March 20, 2004. Archived from the original on March 10, 2008.
  • ^ "SK Telecom Selects LGE, Nortel UMTS/HSDPA Wireless Broadband Technology". Archived from the original on 2011-07-18. Retrieved 2008-01-23.
  • ^ "SK Energy Acquires Oil Production Rights in Brazil". Korea.net. July 30, 2007. Archived from the original on 2008-03-10. Retrieved 2008-01-25.
  • ^ "SK Corp. buys Inchon to raise oil exports". Archived from the original on 2008-03-16. Retrieved 2008-01-23.
  • ^ "Uhde will build SKC HPPO unit". Korea.net. May 22, 2006. Archived from the original on March 10, 2008. Retrieved January 25, 2008.
  • ^ "SK Corp to split as adopts holding co. structure". Reuters. April 11, 2007. Archived from the original on 2009-01-12. Retrieved 2008-01-23.
  • ^ "SK Launches Holding Company System". 2007-07-02. Archived from the original on 2007-09-30. Retrieved 2008-01-23.
  • ^ Reuters Archived 2017-04-09 at the Wayback Machine Reuters Deals
  • ^ "SK Innovation is doubling its battery production for electric vehicles to 4GWh/year to support demand from Mercedes and others". Electrek. 6 March 2017. Archived from the original on 7 March 2017. Retrieved 6 March 2017.
  • ^ "Biden hails $22 bln investment by S. Korea's SK Group". sg.news.yahoo.com. Retrieved 2022-07-27.
  • ^ "China Aviation faces 3rd creditor lawsuit". International Herald Tribune. February 24, 2005. Archived from the original on March 16, 2008. Retrieved September 3, 2007.
  • ^ "New probe hits SK chief". BBC News. September 22, 2003. Archived from the original on June 8, 2004. Retrieved September 3, 2007.
  • ^ Byung-wook, Kim (2022-01-26). "SKC bets $80m for next-generation EV battery materials". The Korea Herald. Retrieved 2022-01-26.
  • ^ Ji-young, Sohn (5 March 2018). "SK Biopharmaceuticals' narcolepsy drug on track to hitting US market". The Korea Herald. Archived from the original on 16 April 2018. Retrieved 16 April 2018.

  • Retrieved from "https://en.wikipedia.org/w/index.php?title=SK_Group&oldid=1224580685"

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