The Japan Steel Works Ltd (JSW)

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Based in Shinagawa-ku, Tokyo, Japan. Established in 1907. The Japan Steel Works Ltd (JSW) is a producer of carbon steel and alloy steel clad plates, pipes and forgings/castings


  • Gate City Ohsaki-West Tower, 11-1, Osaki 1-chome  

Town, State, Country

  • Shinagawa-ku, Tokyo, Japan  


  • 141-0032 
  • Year Established 1907
  • No. of employees 1,001-5,000
  • Ownership The Master Trust Bank of Japan Ltd, 7.58%
  •   Japan Trustee Services Bank Ltd, 6.24%
  •   Mitsui Life Insurance Co Ltd, 3.85%
  •   Sumitomo Mitsui Banking Corp, 2.99%
  •   Mitsui Sumitomo Insurance Co Ltd, 2.40%
  •   Others, 76.94%
  • End User Industries Oil, petrochemical, chemical, power generation


  • ISO 14001
  • ISO 9001

Stock Exchange Listings

  • Tokyo Stock Exchange


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