1. 8 Group Companies
  2. Group Companies (in Japan)

Other Group Companies (in Japan)

* As of July 1, 2021

Subsidiaries

Company Name Head Office Date of Establishment Capital Stock Business Category
SOMA ENVIRONMENT SERVICE CORPORATION 23 Haragama-Aza Minamitozaki, Soma-shi, Fukushima June 3, 1993 30 million yen Industrial waste collection and transportation
TOYO TECX CORPORATION 2-8-8 Kanda-sarugakucho, Chiyoda-ku, Tokyo October 1, 2002 50 million yen Pipe rehabilitation work
ATELIER G&B CORPORATION 7-25-5 Nishigotanda, Shinagawa-ku, Tokyo August 8, 1988 50 million yen Interior design
TOK-KEN MECHATRONICS CORPORATION 2-15-2 Konan, Minato-ku, Tokyo July 1, 2002 40 million yen Diaphragm wall construction
OC FINANCE CORPORATION 2-15-2 Konan, Minato-ku, Tokyo November 1, 1989 500 million yen Finance-related services
IBARAKI GREEN CO., LTD. 686-3 Torihata, Ibaraki-machi, Higashiibaraki-gun, Ibaraki February 8, 2006 20 million yen Golf course management
LE PONT DE CIEL CO., LTD. 6-9 Kitahamahigashi, Chuo-ku, Osaka-shi, Osaka September 4, 2007 60 million yen Restaurant business
OBAYASHI CLEAN ENERGY CORPORATION 2-15-2 Konan, Minato-ku, Tokyo July 10, 2012 10 million yen Renewable energy generation
OAK FRIENDLY SERVICE CO., LTD. 1-19-9 Tsutsumidori, Sumida-ku, Tokyo November 30, 2001 10 million yen Cleaning
OBAYASHI DESIGN PARTNERS CO., LTD. 2-11-19 Konan, Minato-ku, Tokyo October 1, 2009 50 million yen Research, planning, design, and supervision of architecture

Affiliates

Company Name Head Office Date of Establishment Capital Stock Business Category
YORIN CONSTRUCTION CO., LTD. 1-26 Heiwadori, Shunan-shi, Yamaguchi July 28, 1951 150 million yen General construction
HAKUSEN GREEN CO., LTD. 1025-1 Aza Harigaya, Fukatani, Hata-cho, Kita-ku, Kobe-shi, Hyogo February 1, 1977 20 million yen Golf course management
  1. Management and
    Organization
    1. The Articles of Incorporation
      1. Current Articles of Incorporation (As of June 24, 2021) Enacted December 19, 1936
    2. Basic Principles
      1. Obayashi Basic Principles Set forth in March 2018
      2. Corporate Messages Created on January 25, 2011
    3. Transitioning of Corporate Symbol
      1. Transitioning to a New Corporate Symbol
    4. Corporate Officers
      1. Founder, Past Chairmen, Presidents, Vice Chairmen and Executive Vice Presidents
      2. Current Officers (As of June 24, 2021)
    5. Organization Chart
      1. Current Organization Chart (As of April 1, 2021)
  2. Stock Information
    1. Total Number of Shares Issued and Outstanding
    2. Status of Shareholding
    3. Major Shareholders
    4. Changes in Stock Price
  3. Financial Statements
    1. Scope of Consolidation
    2. Consolidated Data
  4. Technology
    1. Technology Development
    2. Foreign Patent
  5. BIM Timeline
    1. BIM Timeline外部リンク
  6. Awards
    1. Company Award for Excellent Projects
    2. President's Special Award
  7. Major Publication
    1. Corporate history, biography, etc.
    2. In-house magazines, operational guidelines, etc.
    3. PR magazines
  8. Group Companies
    1. Group Companies (in Japan)
      1. Major Group Companies (in Japan)
        1. OBAYASHI ROAD CORPORATION
        2. NAIGAI TECHNOS CORPORATION
        3. OBAYASHI FACILITIES CORPORATION
        4. OAK SETSUBI CORPORATION
        5. OBAYASHI-SHINSEIWA REAL ESTATE CORPORATION
        6. OAK INFORMATION SYSTEM CO.
      2. Other Group Companies (in Japan)
    2. Group Companies (Overseas)
      1. Major Group Companies (Overseas)
        1. THAI OBAYASHI CORPORATION LIMITED
        2. PT. JAYA OBAYASHI
        3. TAIWAN OBAYASHI CORPORATION
        4. OBAYASHI VIETNAM CORPORATION
        5. OBAYASHI SINGAPORE PRIVATE LTD.
        6. E.W. HOWELL CO., LLC
        7. OBAYASHI USA, LLC
        8. WEBCOR, LP
        9. KENAIDAN GROUP LTD.
        10. JAMES E. ROBERTS-OBAYASHI CORPORATION
        11. KRAEMER NORTH AMERICA, LLC
        12. JS BUILDERS, LLC
      2. Other Group Companies (Overseas)