Group Companies

We operate in 15 countries and regions, including Japan. Manufacturing sites are as shown in the figure below.

Group of Sumitomo Bakelite Co., Ltd. (as of March 31, 2022)

Consolidated subsidiaries (45)

  • Akita Sumitomo Bakelite Co., Ltd.
  • Kyushu Sumitomo Bakelite Co., Ltd.
  • S.B. Techno Plastics Co., Ltd.
  • Hokkai Taiyo Plastic Co., Ltd.
  • Yamaroku Kasei Industry Co., Ltd.
  • S.B. Research Co., Ltd.
  • S.B. Sheet Waterpoof Systems Co., Ltd.
  • Softec Co., Ltd.
    • - Seibu Jushi Co., Ld.
  • Sunbake Co., Ltd.
  • Tsutsunaka Kosan Co., Ltd.
  • SB Bioscience Co., Ltd.
  • SB Kawasumi Laboratories Inc.*
    • - Kawasumi Laboratories (Thailand) Co.,Ltd.
    • - Kawasumi Laboratories America, Inc.
  • Sumitomo Bakelite Singapore Pte. Ltd.
    • - Sumitomo Bakelite (Suzhou) Co., Ltd.
    • - Sumitomo Bakelite (Thailand) Co., Ltd.
  • SumiDurez Singapore Pte. Ltd.
  • SNC Industrial Laminates Sdn. Bhd.
  • P.T. Indopherin Jaya
  • P.T. SBP Indonesia
  • Sumitomo Bakelite (Taiwan) Co., Ltd.
  • Sumitomo Bakelite (Shanghai) Co., Ltd.
  • Sumitomo Bakelite (Nantong) Co., Ltd.
  • Sumitomo Bakelite (Hong Kong) Co., Ltd.
  • Sumitomo Bakelite (Dongguan) Co., Ltd.
  • Sumitomo Bakelite Macau Co., Ltd.
  • Sumitomo Bakelite North America Holding, Inc.
    • - Sumitomo Plastics America, Inc.
    • - Durez Corporation
    • - Durez Canada Co., Ltd.
    • - Promerus, LLC
    • - Sumitomo Bakelite North America, Inc.
    • - H.I.G. Vaupell Holdings, LLC
      • - Vaupell Holdings, Inc.
        • - Vaupell Molding & Tooling, Inc.
        • - Russell Plastics Technology Company, Inc.
        • - Vaupell Industrial Plastics, Inc.
          • - Vaupell Rong Feng Holdings, LLC
            • - Rong Feng (H.K.) Industries Ltd.
              • -Vaupell China (Dongguan) Co., Ltd.
  • Sumitomo Bakelite Europe NV
    • - Vyncolit NV
    • - Sumitomo Bakelite Europe (Barcelona), S.L.U.

Non-consolidated subsidiaries (9)

  • S.B. Information System Co., Ltd.
  • Sumibe Service Co., Ltd.
  • S.B. Recycle Co., Ltd.
  • SB Holland B.V.
  • Sumibe Korea Co., Ltd.
  • SBE India Pvt. Ltd.
  • Sumibe (Taiwan) Co., Ltd.
  • Vaupell Europe GmbH
  • Namsin Trading Co., Ltd.

Affiliated companies accounted for using equity method (0)

  • None

Affiliated companies not accounted for using equity method (7)

  • Otomo Chemical Co., Ltd.
  • Green Chemicals Co., Ltd.
  • Akita EV Bus LLP
  • Changchun SB (Changshu) Co., Ltd.
  • Tsu-Kong Co., Ltd.
  • S&G Biotech Inc.
  • Fresenius-Kawasumi Co., Ltd.
Consolidated Equity method Non-consolidated Other Total
Japan 13 0 3 4 20
Overseas 32 0 6 3 41
Total 45 0 9 7 61
  • * Kawasumi Laboratories, Inc. was renamed SB Kawasumi Laboratories Inc. on October 1, 2021.

Call or email us about Sustainability