SK디앤디 반기보고서 (2021.06)
2. 계열회사 현황(상세)

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(기준일 : 2021년 06월 30일 ) (단위 : 사)

상장여부	회사수	기업명	법인등록번호

상장	20	SKC㈜	130111-0001585

SK가스㈜	110111-0413247

SK네트웍스㈜	130111-0005199

SK디스커버리㈜	130111-0005727

SK디앤디㈜	110111-3001685

SK렌터카㈜	110111-0577233

SK머티리얼즈㈜	190111-0006971

SK바이오사이언스㈜	131111-0523736

SK바이오팜㈜	110111-4570720

SK아이이테크놀로지㈜	110111-7064217

SK이노베이션㈜	110111-3710385

SK㈜	110111-0769583

SK케미칼㈜	131111-0501021

SK텔레콤㈜	110111-0371346

SK하이닉스㈜	134411-0001387

인크로스㈜	110111-3734955

㈜나노엔텍	110111-0550502

㈜드림어스컴퍼니	110111-1637383

㈜부산도시가스	180111-0039495

㈜에스엠코어	110111-0128680

비상장	515	11번가㈜	110111-6861490

ADT캡스 (舊 SK인포섹㈜)	110111-2007858

F	135311-0003300

SK E	110111-1632979

SKC FT 홀딩스㈜	211211-0025048

SKC솔믹스㈜	134711-0014631

SKC인프라서비스㈜	134111-0414065

SKC하이테크앤마케팅㈜	161511-0225312

SK네트웍스서비스㈜	135811-0141788

SK넥실리스㈜	110111-6480232

SK렌터카서비스㈜	160111-0306525

SK루브리컨츠㈜	110111-4191815

SK리츠운용㈜	110111-7832127

SK매직서비스㈜	134811-0039752

SK매직㈜	110111-5125962

SK머티리얼즈제이엔씨㈜	134811-0595837

SK머티리얼즈리뉴텍㈜ (舊 ㈜한유케미칼)	110111-2559792

SK머티리얼즈에어플러스㈜ (舊 SK에어가스㈜)	230111-0134111

SK머티리얼즈퍼포먼스㈜	164711-0095338

SK모바일에너지㈜	161511-0076070

SK바이오텍㈜	160111-0395453

SK브로드밴드㈜	110111-1466659

SK쇼와덴코㈜	175611-0018553

SK스토아㈜	110111-6585884

SK실트론㈜	175311-0001348

SK어드밴스드㈜	230111-0227982

SK에너지㈜	110111-4505967

SK에코플랜트㈜ (舊 SK건설㈜)	110111-0038805

SK엠앤서비스㈜	110111-1873432

SK오앤에스㈜	110111-4370708

SK위탁관리부동산투자회사㈜	110111-7815446

SK인천석유화학㈜	120111-0666464

SK임업㈜	134811-0174045

SK종합화학㈜	110111-4505975

SK커뮤니케이션즈㈜	110111-1322885

SK케미칼대정㈜	131111-0587675

SK텔레시스㈜	110111-1405897

SK텔레콤CST1㈜	110111-7170189

SK텔링크㈜	110111-1533599

SK트레이딩인터내셔널㈜	110111-5171064

SK트리켐㈜	164711-0060753

SK플라즈마㈜	131111-0401875

SK플래닛㈜	110111-4699794

SK피아이씨글로벌㈜	230111-0324803

SK핀크스㈜	224111-0003760

SK하이닉스시스템IC㈜	150111-0235586

SK하이스텍㈜	134411-0037746

SK하이이엔지㈜	134411-0017540

강원도시가스㈜	140111-0002010

경기환경에너지㈜	134211-0058473

경북환경에너지㈜	176011-0055291

경산맑은물길㈜	120111-0701848

경인환경에너지㈜	134811-0279340

곡성환경㈜	200111-0187330

그린순창㈜	160111-0134942

그린화순㈜	160111-0199459

금호미쓰이화학㈜	110111-0612980

나래에너지서비스㈜	110111-4926006

내트럭㈜	110111-3222570

달성맑은물길㈜	160111-0317770

당진에코파워㈜	165011-0069097

디앤디인베스트먼트㈜	110111-6618263

디앤디프라퍼티매니지먼트㈜	110111-5848712

디에코플랫폼㈜	110111-7672028

마인드노크㈜	110111-6638873

매립지관리㈜	134111-0481056

미디어에스㈜	110111-7739191

미쓰이케미칼앤드에스케이씨폴리우레탄㈜	230111-0233880

민팃㈜	124411-0057457

보령LNG터미널㈜	164511-0021527

부산정관에너지㈜	180111-0484898

브로드밴드노원방송㈜	110111-2261909

서남환경에너지㈜	184611-0017968

서비스에이스㈜	110111-4368688

서비스탑㈜	160111-0281090

성주테크㈜	284411-0087386

아리울행복솔라㈜	110111-7725041

아이디퀀티크(유)	131114-0009566

아이지이㈜	120111-1134494

에프에스케이엘앤에스㈜	131111-0462520

엔티스㈜	130111-0021658

여주에너지서비스㈜	110111-6897817

영남에너지서비스㈜	175311-0001570

울산GPS㈜	165011-0035072

울산아로마틱스㈜	110111-4499954

원스토어㈜	131111-0439131

유베이스매뉴팩처링아시아㈜	230111-0168673

유빈스㈜	135111-0077367

인프라커뮤니케이션즈㈜	110111-6478873

전남도시가스㈜	201311-0000503

전남해상풍력㈜	110111-7400817

전북에너지서비스㈜	214911-0004699

제주유나이티드FC㈜	224111-0015012

㈜DDISC49위탁관리부동산투자회사	110111-7725653

㈜DDI백암로지스틱스위탁관리부동산투자회사	110111-7706851

㈜대한송유관공사	110111-0671522

㈜로크미디어	110111-2741216

㈜신안증도태양광	201111-0052938

㈜쏠리스	205711-0024452

㈜에이앤티에스	110111-3066861

㈜와이에스텍	170111-0397522

㈜제이에스아이	124611-0261880

㈜캡스텍	110111-3141663

㈜휘찬	110111-1225831

지에너지㈜	110111-7788750

진안바이오에너지㈜	134111-0565438

충청에너지서비스㈜	150111-0006200

충청환경에너지㈜	165011-0013078

코원에너지서비스㈜	110111-0235617

콘텐츠웨이브㈜	110111-4869173

클린에너지위탁관리부동산투자회사㈜	110111-7815602

티맵모빌리티㈜	110111-7733812

파주에너지서비스㈜	110111-4629501

피에스앤마케팅㈜	110111-4072338

한국넥슬렌(유)	230114-0003328

해쌀태양광㈜	161411-0049376

행복나래㈜	110111-2016940

행복동행㈜	175611-0021671

행복디딤㈜	110111-6984325

행복모아㈜	150111-0226204

행복모음㈜	230111-0318187

행복채움㈜	176011-0130902

행복키움㈜	110111-6984672

행복한울㈜	110111-7197167

호남환경에너지㈜	160111-0523369

홈앤서비스㈜	110111-6420460

환경시설관리㈜	134111-0486452

환경에너지㈜	134111-0465331

Nanoentek America Inc.	-

Nanoentek Bio-Technology (Beijing) Ltd.	-

Dongguan Iriver Electronics Co., Ltd.	-

Iriver China Co., Ltd.	-

Iriver Enterprise Ltd.	-

LIFE DESIGN COMPANY INC.	-

SK E Hong Kong Co., Ltd.	-

SMC US, INC	-

Infosec Information technology(Wuxi) Co., Ltd.	-

CAPS America, Inc.	-

Beijing Mitsui Chemicals SKC Polyurethanes Co., Ltd.	-

Foshan Mitsui Chemicals SKC Polyurethanes Co., Ltd	-

MCNS Polyurethanes Europe Sp. zo.o	-

MCNS Polyurethanes India Pvt. Ltd.	-

MCNS Polyurethanes Malaysia Sdn Bhd	-

MCNS Polyurethanes Mexico, S. de R.L. de C.V	-

MCNS Polyurethanes RUS LLC.	-

MCNS Polyurethanes USA Inc.	-

Mitsui Chemicals SKC Polyurethanes Inc.	-

PT. MCNS Polyurethanes Indonesia	-

Thai Mitsui Specialty Chemicals Co., Ltd.	-

Tianjin Cosmo Polyurethanes Co., Ltd.	-

SK Gas International Pte. Ltd.	-

SK Gas Petrochemical Pte. Ltd.	-

SK Gas Trading LLC	-

SK Gas USA Inc.	-

Avrasya Tuneli Isletme Insaat Ve Yatirim A.S.	-

BAKAD International B.V	-

BAKAD Investment and Operation LLP	-

BT RE Investments, LLC	-

Hi Vico Construction Company Limited	-

Jurong Aromatics Corporation Pte. Ltd.	-

SKEC Anadolu LLC	-

SKEC(Thai) Limited	-

Sunlake Co., Ltd.	-

Thai Woo Ree Engineering Co., Ltd	-

SK E India Private Ltd.	-

SK E Jurong Investment Pte. Ltd.	-

SK E Saudi Company Limitied	-

SK Engineering(Nanjing)Co.,Ltd.	-

SK Holdco Pte. Ltd	-

SK International Investment Singapore Pte. Ltd.	-

KS Investment B.V.	-

Mesa Verde RE Ventures, LLC	-

SBC GENERAL TRADING CONTRACTING CO. W.L.L.	-

Silvertown Investco Ltd.	-

SK E BETEK Corp.	-

SK E Consultores Ecuador S.A.	-

MINTIT VINA (舊 SK Telink Vietnam Co.,Ltd)	-

Networks Tejarat Pars	-

P.T. SK Networks Indonesia	-

POSK(Pinghu) Steel Processing Center Co.,Ltd.	-

Shenyang SK Bus Terminal Co.,Ltd.	-

Shenyang SK Networks Energy Co., Ltd.	-

SK Networks Trading Malaysia Sdn Bhd	-

SK Networks(Dandong) Energy Co.,Ltd.	-

SK Networks(Shanghai) Co.,Ltd.	-

SKN (China) Holdings Co.,Ltd.	-

Springvale SK Kores Pty Ltd.	-

TenX Capital	-

SK NETWORKS BRASILINTERMEDIACAO DE NEGOCIOS LTDA.	-

SK Networks Deutschland GmbH	-

SK Networks HongKong Ltd.	-

SK Networks Japan Co., Ltd.	-

SK Networks Resources Australia (Wyong) Pty Ltd.	-

SK Networks Resources Pty Ltd.	-

SK (Guangzhou) Metal Co., Ltd.	-

SK BRASIL LTDA	-

SK Networks (Liaoning) Logistics Co., Ltd	-

SK Networks (Xiamen) Steel Processing Center	-

SK NETWORKS AMERICA, Inc.	-

ESSENCORE Limited	-

Essencore Microelectronics (ShenZhen) Limited	-

S Technology	-

ShangHai YunFeng Encar Used Car Sales Service Ltd.	-

SK S.E. Asia Pte. Ltd.	-

SK C Beijing Co., Ltd.	-

SK C Chengdu Co., Ltd.	-

SK C India Pvt., Ltd.	-

SK C USA, INC.	-

Abrasax Investment Inc.	-

AMPAC Fine Chemicals Texas, LLC	-

AMPAC Fine Chemicals Virginia, LLC	-

AMPAC Fine Chemicals, LLC	-

Fine Chemicals Holdings Corp.	-

SK Biotek Ireland Limited	-

SK Biotek USA, Inc.	-

SK Pharmteco Inc. (구. Alchemy Acquisition Corp.)	-

Crest Acquisition LLC	-

YPOSKESI, SAS	-

Dogus SK Finansal ve Ticari Yatirim ve Danismanlik A.S	-

EM Holdings (Cayman) L.P.	-

EM Holdings (US) LLC	-

Gemini Partners Pte. Ltd.	-

Hermed Alpha Industrial Co., Ltd.	-

Hermed Capital	-

Hermed Capital Health Care (RMB) GP Limited	-

Hermed Capital Health Care Fund L.P.	-

Hermed Capital Health Care GP Ltd	-

Hermed Equity InvestmentManagement (Shanghai) Co., Ltd.	-

Hermeda Industrial Co. Ltd	-

Prostar APEIF GP Ltd.	-

Prostar APEIF Management Ltd.	-

Prostar Asia Pacific Energy Infrastructure SK Fund L.P.	-

Prostar Capital (Asia-Pacific) Ltd.	-

Prostar Capital Ltd.	-

Prostar Capital Management Ltd.	-

Shanghai Hermed Equity Investment Fund Enterprise	-

Solaris GEIF Investment	-

Solaris Partners Pte. Ltd.	-

SK Investment Management Co., Limited.	-

SK Semiconductor Investments Co., Ltd	-

SL (Beijing) Consulting and Management Co., Ltd	-

SL Capital Management (Hong Kong) Ltd	-

SL Capital Management Limited	-

SL Capital Partners Limited	-

SLSF I GP Limited	-

Wuxi Junhai Xinxin Investment Consulting Ltd	-

Wuxi United Chips Investment Management Limited	-

Beijing Junhai Tengxin Consultingand Management Co.,Ltd	-

SK SOUTH EAST ASIA INVESTMENT PTE., LTD.	-

SK INVESTMENT VINA Ⅰ Pte., Ltd.	-

SK INVESTMENT VINA Ⅱ Pte., Ltd.	-

SK INVESTMENT VINA Ⅲ Pte., Ltd.	-

SK INVESTMENT VINA IV Pte., Ltd.	-

MSN INVESTMENT Pte. Ltd.	-

SK GI Management	-

SOCAR MOBILITY MALAYSIA SDN. BHD.	-

PT Future Mobility Solutions	-

Future Mobility Solutions SDN. BHD.	-

EINSTEIN CAYMAN LIMITED	-

ZETA CAYMAN LIMITED	-

Golden Pearl EV Solutions Limited	-

Shanghai SKY Real Estate Development Co.,Ltd.	-

SK (Beijing) Auto Rental Co.,Ltd	-

SK (Guangzhou) Auto Rental Co.,Ltd	-

SK (Qingdao) Auto Rental Co.,Ltd	-

SK (Shanghai) Auto Rental Co.,Ltd	-

SK (Shenyang) Auto Rental Co.,Ltd	-

SK (Suzhou) Auto Rental Co.,Ltd	-

SK Auto Service Hong Kong Ltd.	-

SK Bio Energy HongKong Co.,Limited	-

SK China Company, Ltd.	-

SK China Investment Management Company Limited	-

SK China Real Estate Co., Limited	-

SK China(Beijing) Co.,Ltd.	-

SK Financial Leasing Co, Ltd.	-

SK Industrial Development China Co., Ltd.	-

SK International Agro-ProductsLogistics Development Co., Ltd.	-

SK International Agro-Sideline Products Park Co.,Ltd.	-

SK Property Investment Management Company Limited	-

SKY Investment Co., Ltd	-

SKY Property Mgmt. Ltd.	-

Skyline Auto Financial Leasing Co, Ltd.	-

Beijing LIZHIWEIXIN Technology Company Limited	-

Hudson Energy NY II, LLC	-

Hudson Energy NY III, LLC	-

Hudson Energy NY, LLC	-

Plutus Capital NY, Inc.	-

Atlas NY, LLC	-

Plutus Fashion NY, Inc	-

Wonderland NY, LLC	-

I CUBE CAPITAL INC	-

I CUBE CAPITAL II, INC	-

Primero Protein LLC	-

SK Mobility Investments Company Limited	-

I Cube Capital Hong Kong 1. LP	-

Saturn Agriculture Investment Co., Limited	-

GROVE ENERGY CAPITAL LLC	-

Plutus Capital NY II, Inc	-

Grove Energy Capital II, LLC	-

SK Nexilis Malaysia SDN. BHD	-

SK Nexilis Poland sp. z o.o	-

Iberian Lube Base Oils Company, S.A.	-

PT. Patra SK	-

SK Energy Lubricants (Tianjin) Co., Ltd.	-

SK Lubricants Oils India Pvt. Ltd.	-

SK Lubricants Americas, Inc.	-

SK Lubricants Europe B.V.	-

SK Lubricants Japan Co., Ltd.	-

SK Lubricants Rus Limited Liability Company	-

SK MAGIC VIETNAM CO.,LTD	-

SK Networks Retails Malaysia Sdn. Bhd.	-

SK Materials JNC Japan Co., Ltd	-

SK Materials Japan Co., Ltd	-

SK Materials Jiangsu Co., Ltd.	-

SK Materials Shanghai Co.,Ltd	-

SK Materials Taiwan Co., Ltd.	-

SK Materials Xian Co., Ltd	-

SK Japan Investment Inc.	-

Mobile Energy Battery America, LLC	-

SK Life Science, Inc	-

SK생물의약과기(상해) 유한공사	-

SK Siltron America, Inc.	-

SK Siltron CSS, LLC	-

SK Siltron Japan, Inc.	-

SK Siltron Shanghai Co., Ltd.	-

SK Siltron USA, Inc.	-

SE(Jiangsu) Electronic Materials Co., LTD	-

SKC (Nantong) SemiconductorMaterials Technology Co., Ltd.	-

SKC Semiconductor Materials(Wuxi) Co., Ltd	-

SKC Solmics Hong Kong Co., LTD	-

SKC-ENF Electronic Materials Ltd.	-

SOLMICS SHANGHAI INTERNATIONAL TRADING CO., LTD.	-

SOLMICS TAIWAN CO., LTD.	-

SKC (Jiangsu) High Tech Plastics	-

SKC (Nantong) PU Specialty Co., Ltd.	-

SKC Europe GmbH	-

SKC International Shanghai Trading Co., Ltd.	-

SKC PU Specialty Co., Ltd.	-

SKC PVB Film Co., Limited	-

SKC, Inc.	-

ZA Advanced PVB Film(Nantong) Co., Ltd.	-

SKC hi-tech Polska SP.Z.O.O	-

SKC hi-tech USA LLC	-

SKC hi-tech VINA Co., Ltd.	-

SKC hi-tech(Suzhou) Co., Ltd.	-

SK hi-tech battery materials (Jiangsu) Co., Ltd.	-

SK hi-tech battery materials Poland sp.z o.o.	-

Asia Bitumen Trading Pte, Ltd.	-

GREEN CO. ASIA LIMITED	-

Netruck Franz Co., Ltd.	-

Shandong SK Hightech Oil Co., Ltd.	-

SK Energy Hong Kong Co., Ltd.	-

SK Energy Road Investment Co., Ltd.	-

SK Energy Road Investment(HK) Co., Ltd.	-

SK Shanghai Asphalt Co., Ltd.	-

Blue Dragon Energy Co., Limited	-

Jiangsu SK Battery Certification Center	-

SK BATTERY AMERICA	-

SK Battery Hungary Kft.	-

SK BATTERY MANUFACTURING KFT	-

SK Battery(Jiangsu) Co., Ltd.(구. Blue Sky United Energy Co., Ltd.)	-

SK Permian, LLC	-

SK Plymouth, LLC	-

SK USA, Inc.	-

Super Seed NY, LLC.	-

SK E America, Inc.	-

SK E Company (구. SK Innovation Americas Inc.)	-

SK E Operations America, LLC	-

SK Future Energy(Shanghai) Co., Ltd	-

SK Innovation Insurance (Bermuda), Ltd.	-

SK Nemaha, LLC	-

NEW ONE PTE. LTD.	-

BU12 Australia Pty. Ltd.	-

BU13 Australia Pty. Ltd.	-

CAES, LLC	-

CAILIP Gas Marketing, LLC	-

China Gas-SK E LNG Trading Ltd.	-

SK E Dominicana S.R.L.	-

SK E LNG, LLC	-

PT Prism Nusantara International	-

PT. Regas Energitama Infrastruktur	-

RNES Holdings, LLC	-

Shandong Order-PRISM China Investment Co., Ltd.	-

SK E Americas, Inc.	-

SK E Australia Pty Ltd.	-

PNES Investments, LLC	-

Prism DLNG Pte. Ltd.	-

Prism Energy International China Limited	-

Prism Energy International Hong Kong Limited	-

Prism Energy International Pte., Ltd.	-

Prism Energy International Zhoushan Limited	-

DewBlaine Energy, LLC	-

Electrodes Holdings, LLC	-

ENERGY SOLUTION HOLDINGS INC.	-

Fajar Energy International Pte. Ltd.	-

LUNAR ENERGY, INC.	-

NEW TWO PTE. LTD.	-

Ningbo SK Performance Rubber Co., Ltd.	-

SABIC SK Nexlene Company Pte.Ltd.	-

Shanghai-GaoQiao SK Solvent Co., Ltd.	-

SK Functional Polymer, S.A.S	-

SK GC Americas, Inc.	-

SK Global Chemical (China) Holding Co., Ltd.	-

SK Primacor Americas LLC	-

SK Primacor Europe, S.L.U.	-

SK Saran Americas LLC	-

SK-SVW(Chongqing) Chemical Co., Ltd.	-

Zhejiang Shenxin SK Packaging Co., Ltd.	-

SK Global Chemical China Ltd.	-

SK Global Chemical InternationalTrading (Guangzhou) Co., Ltd.	-

SK Global Chemical InternationalTrading (Shanghai) Co., Ltd.	-

SK Global Chemical Investment Hong Kong Ltd.	-

SK Global Chemical Japan Co., Ltd.	-

SK Global Chemical Singapore Pte.Ltd.	-

Sino-Korea Green New Material (JiangSu) Limited.	-

SK Chemicals (Qingdao) Co., Ltd.	-

SK Chemicals (Shanghai) Co., Ltd	-

SK Chemicals (Suzhou) Co., Ltd	-

SK Chemicals (Yantai) Co., Ltd.	-

SK Chemicals America	-

SK Chemicals GmbH	-

SK Chemicals Malaysia	-

ST Green Energy Pte, Ltd	-

SK Telesys Corp.	-

TechDream Co. Limited	-

T1 esports US, Inc.	-

AI ALLIANCE, LLC	-

Atlas Investment Ltd.	-

Axess II Holdings	-

CYWORLD China Holdings	-

Deutsche Telekom Capital PartnersVenture Fund Ⅱ Parallel GmbH Co. KG	-

Digital Games International PTE, Ltd.	-

SK TELECOM(CHINA)HOLDING CO.,Ltd.	-

SKTA Innopartners, LLC	-

TECHMAKER GMBH	-

ULand Company Limited	-

YTK Investment Ltd.	-

SK Telecom Americas, Inc.	-

SK Telecom China Fund 1 L.P.	-

SK Telecom Innovation Fund, L.P.	-

SK telecom Japan Inc.	-

SK Telecom TMT Investment Corp.	-

SK Telecom Venture Capital, LLC	-

NextGen Broadcast Service	-

SK Global Healthcare Business Group Ltd.	-

SK Latin America Investment S.A.	-

SK MENA Investment B.V.	-

SK planet Japan Inc.	-

SK Technology Innovation Company	-

Global Opportunities Breakaway Fund	-

Global opportunities Fund, L.P	-

ID Quantique Ltd.	-

ID Quantique S.A.	-

Magic Tech Network Co., Ltd.	-

NextGen Broadcast Orchestration	-

SK Energy Americas Inc.	-

SK Energy Europe, Ltd.	-

SK Energy International Pte, Ltd.	-

SK Terminal B.V.	-

Dogus Planet Inc.	-

SK Planet Global Holdings Pte, Ltd.	-

SK Planet, Inc.	-

SKP America, LLC	-

SkyHigh Memory Limited Japan	-

Hystars Semiconductor (Wuxi) Co. Ltd	-

SK hynix system IC (Wuxi) Co. Ltd	-

SkyHigh Memory China Limited	-

SkyHigh Memory Limited	-

Gauss Labs Inc.	-

HITECH Semiconductor (Wuxi) Co.,Ltd. (HITECH)	-

SK APTECH Ltd.	-

SK hynix (Wuxi) Education Technology Co., Ltd.	-

SK hynix (Wuxi) Industry Development Ltd.	-

SK hynix (Wuxi) Investment Ltd.	-

SK hynix U.K. Ltd.	-

SK hynix Ventures Hong Kong Limited	-

SK hynix Semiconductor (China) Ltd.	-

SK hynix Semiconductor (Chongqing) Ltd.	-

SK hynix Semiconductor (Shanghai) Co.,Ltd.	-

SK hynix Semiconductor Hong Kong Ltd.	-

SK hynix Semiconductor India Private Ltd.	-

SK hynix Semiconductor Taiwan Inc.	-

SK hynix Italy S.r.l	-

SK hynix Japan Inc.	-

SK hynix memory solutions America, Inc.	-

SK hynix memory solutions Eastern Europe, LLC.	-

SK hynix memory solutions Taiwan, Inc.	-

SK hynix NAND Product Solutions Corp.	-

SK hynix (Wuxi) Semiconductor Sales Ltd.	-

SK hynix America Inc.	-

SK hynix Asia Pte.Ltd.	-

SK hynix cleaning(Wuxi) Ltd.	-

SK hynix Deutschland GmbH	-

SK hynix Happiness (Wuxi) Hospital Management Ltd.	-

FSK L Hungary Kft.	-

FSK L VIETNAM COMPANY LIMITED	-

FSK L(Shanghai) Co., Ltd.	-

FSK L(Jiangsu) Co., Ltd.	-

PHILKO UBINS LTD. CORP.	-

CHONGQING HAPPYNARAE Co., Ltd.	-

SUZHOU HAPPYNARAE Co., Ltd.	-

SK hynix NAND Product Solutions Taiwan Co., Ltd.	-

SK hynix NAND Product Solutions Canada Ltd.	-

SK hynix NAND Product Solutions Mexico,S. DE R.L. DE C.V.	-

SK hynix Semiconductor (Dalian) Co., Ltd.	-

SK hynix NAND Product Solutions UK Limited	-

SK hynix NAND Product Solutions Israel Ltd.	-

SK hynix NAND Product Solutions Japan	-

SK hynix NAND Product Solutions International LLC	-

SK hynix NAND Product Solutions Asia Pacific LLC	-

SK hynix NAND Product Solutions Singapore Pte. Ltd.	-

SK hynix NAND Product Solutions Malaysia Sdn. Bhd.	-

Moixa Energy Holdings Limited	-

Moixa Technology Limited	-

Moixa Energy Limited	-

(주1) '21.7.1일자로 ㈜스튜디오돌핀, 스튜디오웨이브㈜, ㈜와이엘피, ㈜DDIYS832위탁관리부동산투자회사,㈜한국거래소시스템즈 계열편입
(주2) '21.7.13일자로 진안바이오에너지㈜ 계열제외
(주3) 해외계열회사는 비상장사로 분류함

(*) 사명 변경 : SK㈜ (舊 SK C), 엔티스㈜ (舊 SK사이텍㈜), 미쓰이케미칼앤드에스케이씨폴리우레탄㈜ (舊 에스엠피씨㈜), 파주에너지서비스㈜ (舊 피엠피㈜), SK엠앤서비스㈜ (舊 엠앤서비스㈜), SK매직서비스㈜ (舊 매직서비스㈜), SK디스커버리㈜ (舊 SK케미칼㈜), SKC하이테크앤마케팅㈜ (舊 SKC하이테크앤마케팅(유)), SK렌터카서비스㈜ (舊 카라이프서비스㈜), ㈜드림어스컴퍼니 (舊 ㈜아이리버), SK오앤에스㈜ (舊 네트웍오앤에스㈜), 울산GPS㈜ (舊 당진에코파워㈜), SK렌터카 (舊 AJ렌터카㈜), 당진에코파워㈜ (舊 당진에코태양광발전㈜), 나래에너지서비스㈜ (舊 위례에너지서비스㈜), SK넥실리스 (舊 케이씨에프테크놀로지스㈜), 디앤디프라퍼티매니지먼트㈜ (舊 비앤엠개발㈜), SK머티리얼즈퍼포먼스㈜ (舊 SK퍼포먼스머티리얼즈㈜), SK머티리얼즈에어플러스 (舊 SK에어가스㈜), SK머티리얼즈리뉴텍㈜ (舊 ㈜한유케미칼), ㈜ADT캡스 (舊 SK인포섹㈜), SK에코플랜트㈜ (舊 SK건설㈜)