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Private company

에스케이(주)

에스케이(주) is a South Korean company based in Seoul, active since 1991.1

Last updated Oct 21, 2026.

Overview

Apr 13, 1991Founded1
  • HeadquartersSeoul, South Korea1
  • Legal form주식회사1
  • LEI988400GMME8AOAFMDK341
  • StatusActive1
  • LEI statusIssued and current1
  • Registered address서울특별시 종로구 종로 26 (서린동), 03188 Seoul, South Korea1
  • Registered withNational Tax Service, 220-81-165031

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Corporate structure

에스케이(주) sits at the top of its group. 33 entities, 8 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

  • 에스케이(주) Seoul, South Korea
    • SK Innovation 52.09% · Seoul, South Korea
      • SK Energy Subsidiary · Seoul, South Korea
      • SK Incheon Petrochem Subsidiary · Incheon
      • SK E&S HONGKONG CORPORATION LIMITED Subsidiary · 100% · Hongkong, Hong Kong
      • SK에너지 주식회사 Subsidiary · 100% · Seoul, South Korea
      • SK인천석유화학(주) Subsidiary · 100% · Incheon Metropolitan City, South Korea
      • SK지오센트릭 주식회사 Subsidiary · 100% · Seoul, South Korea
        • SK GC AMERICAS INC. Subsidiary · Houston, Texas, United States
          • 1 more
      • 에스케이온 주식회사 Subsidiary · 90.3% · Seoul, South Korea
        • SK On Hungary Korlatolt Felelossegu Tarsasag (SK On Hungary Korlátolt Felelősségű Társaság) Subsidiary · Komárom, Hungary
      • 에스케이아이이테크놀로지 Subsidiary · 61.2% · Seoul, South Korea
        • SK HI-TECH BATTERY MATERIALS POLAND SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA Subsidiary · Dąbrowa Górnicza, Poland
      • PRISM ENERGY INTERNATIONAL PTE. LTD. Subsidiary · Singapore, Singapore
      • SK E&P AMERICA, INC. Subsidiary · Houston, Texas, United States
        • SK PLYMOUTH, LLC Subsidiary · Houston, Texas, United States
      • SK ENERGY EUROPE LIMITED Subsidiary · London, United Kingdom
    • SK Telecom 30.57% · 서울특별시, South Korea
    • 에스케이에코플랜트 (주) Subsidiary · 64.69% · Seoul, South Korea
    • 에스케이머티리얼즈 Subsidiary · 49.1% · Yeongju, South Korea
    • SK네트웍스(주) Subsidiary · 41.2% · Suwon, South Korea
    • 에스케이스퀘어 주식회사 Subsidiary · 32.14% · Seoul, South Korea
    • SK ENERGY INTERNATIONAL PTE. LTD. Subsidiary · Jongno-gu, South Korea
    • SK GEO CENTRIC SINGAPORE PTE. LTD. Subsidiary · Singapore, Singapore
    • SK Pharmteco Inc. Subsidiary · Wilmington, Delaware, United States
    • 에스케이바이오팜 주식회사 Subsidiary · 성남시, South Korea

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Subsidiaries (GLEIF)

Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Timeline

  1. Apr 13, 1991Founded 에스케이(주) is founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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