Development of the Sumitomo Group 33 Companies belonging to the Sumitomo Group Public Affairs Committee (as of April 2015)
2010 2015 Meiji 1 Dissolution of “zaibatsu” business conglomerates
The Sumitomo Fuso Marine & Fire Marine & Fire Merger with Mitsui Marine & Fire Insurance Co., Ltd. Insurance Co., Ltd. The Sumitomo Marine & Fire Insurance Co., Ltd. Fuso Marine Insurance Co., Ltd. Insurance Co., Ltd. Mitsui Sumitomo Insurance Co., Ltd. Mitsui Sumitomo Osaka Insurance Co., Ltd. Merger Osaka Sumitomo Marine & Fire Insurance Co., Ltd. Osaka Fire Osaka Fire, Insurance Co., Ltd. Insurance Marine and Merger Co., Ltd. Transport Insurance Settsu Marine Settsu Marine & Fire Insurance Co., Ltd. Co., Ltd. Insurance Co., Ltd. Osaka Marine & Fire Merger with Chuo Mitsui Trust and Banking Co., Ltd. Insurance Co., Ltd. Chuo Mitsui Asset Trust and Banking Co., Ltd. Sumitomo Mitsui Trust Bank, Limited Fuji Trust and Banking Co., Ltd. Sumitomo Mitsui Trust Bank, Limited Sumitomo Trust Co., Ltd. The Sumitomo Trust & Banking Co., Ltd.
Hinode Life Insurance Co., Ltd. Kokumin Life Insurance Co. Hinode Life Insurance Co., Ltd. Sumitomo Life Sumitomo Life Insurance Sumitomo Life Insurance Co. Insurance Company Co., Ltd.
Yamau Securities Capital alliances with Co.,Ltd. Sumitomo Group companies Izumi Securities Co.,Ltd. Yamauchi-Unosuke Trading Co. Izumi Securities Co.,Ltd.
Taguchi-Juichi Trading Co. Merger Taguchi Securities Capital alliances with Co.,Ltd. Sumitomo Group companies SMBC Friend Securities Co., Ltd. Taguchi Trading Co., Ltd. Meiko Maruya Meiko National Securities Co.,Ltd. Securities Co., Ltd. Meiko Securities Co.,Ltd. Meiko Securities Co.,Ltd.
National Securities Co.,Ltd. Merger National Securities Co.,Ltd. National Tabayashi Securities Co., Ltd. Yamatane Yamazaki Securities Co.,Ltd. Securities Co.,Ltd. Merger SMBC Friend Yamazaki-Taneji Trading Co. Securities Co., Ltd. Ishino Securities Co.,Ltd. The Shinyei Ishino Merger Ishino-Sadao Trading Co. Securities Co.,Ltd. Shinyei Securities Co.,Ltd. Merger Sakura Friend Securities Co.,Ltd. Tokyo Shinyei Securities Co.,Ltd.
The Sumitomo Warehouse Co., Ltd. Sumitomo Warehouse The Sumitomo Spin-off of warehousing operations from Sumitomo Bank Warehouse Co., Ltd. Launch of collateral Merger with The Sakura Bank, Ltd. loan business The Bank of Osaka, Ltd. Sumitomo Mitsui Banking Corporation Sumitomo Mitsui Sumitomo Bank Sumitomo Bank, Ltd. The Sumitomo Bank, Banking Corporation Head Office operations Ltd. Sumitomo Mitsui Card Co., Ltd. Business relationship with Sumitomo Bank The Sumitomo Credit Service Co.,Ltd. Sumitomo Mitsui Card Co., Ltd. The Japan Research Japan Information Service, Ltd. Institute, Ltd. Spin-off from Sumitomo Bank The Japan Research Institute, Ltd. The General Lease SMBC Leasing Co., Ltd. Co., Ltd. SB Leasing Co., Ltd. Business relationship with Sumitomo Bank Sumitomo Mitsui SB General Leasing Co., Ltd. Finance and Leasing Sumisho Lease Kosan Merger Co., Ltd. Tozai Kogyo Sumisho Lease Co., Ltd. Business relationship with Sumitomo Corporation Otsuka Shindo-Sho Sumisho Lease Co., Ltd. Kawasho Co., Ltd. Auto Leasing Corporation Acquisition of all outstanding shares of Kawasho Auto Leasing Corporation Spin-off from Sumisho Lease Kawasho Lavie Corporation Acquisition of all outstanding shares of Kubota Lease Corporation Sumisho Auto Leasing Corporation
SAL Corporation Sumitomo Mitsui Capital participation in Mazda Auto Leasing Co., Ltd. Merger Auto Service Co., Ltd MITSUI AUTO LEASING,LTD. Separated off from Automotive Leasing Division of SB Leasing Company Merger Launch of real estate business Osaka North Harbour Co., Ltd. Merger SB Auto Leasing Company Nippon Kensetsu Sangyo Co., Ltd. Sumitomo Corporation SMBC AUTO LEASING COMPANY , LIMITED Sumitomo Building Co., Ltd. Sumitomo Corporation Head Office operations The Sumitomo Land Co., Ltd. Spin-off from Sumitomo Joint-stock Company Business relationship Business relationship with Sumitomo Corporation with Hasebe and Takekoshi Sumitomo Architectural Office Joint-stock Sumisho Electronics Co., Ltd. Company
Sumisho SCSK Corporation Edo Period Sumisho Computer Service Computer Systems Izumiya Business relationship with Corporation Corporation Merger (House of Sumitomo) Sumitomo Corporation Copper smelting Copper mining Business relationship Copper trading house with Sumitomo Honsha, Ltd. Merger with CSK Corporation Import business Izumi Real SCSK Corporation Sumitomo Goshi Kaisha Estate Co., Ltd. Sumitomo Reality & Development Co., Ltd. Currency exchange Sumitomo Realty & Sumitomo General Sumitomo Family Head Office Merger Sumitomo Reality & Development Co., Ltd. Development Co., Ltd.
Sumitomo Head Office Sumitomo Sumitomo Honsha, Ltd. (liquidation company) Honsha, Ltd.
Merger Hyogo Ringyo Co., Ltd. Fuso Norin Co., Ltd. Fuso Ringyo Co., Ltd. Merger Business relationship with Tokai Norin Co., Ltd. Sumitomo Joint-stock Company Toho Norin Co., Ltd. Sumitomo Ringyo-sho Sumitomo Forestry Hokkai Norin Co., Ltd. Sumitomo Forestry Co., Ltd. Co., Ltd. Kyushu Norin Co., Ltd. Merger Shikoku Ringyo Co., Ltd. Spin-off
Katsuro-Gumi Co., Ltd. Katsuro-Gumi Merger Merger with Mitsui Construction Co., Ltd. Sumitomo Construction Co., Ltd. Spin-off Sumitomo Mitsui Besshi Construction Co., Ltd. Construction Co., Ltd. Edo Period Businesses of House of Sumitomo Besshi Copper Mine Besshi Mining Co., Ltd. Seika Mining Sumitomo Metal Mining Sumitomo Besshi Kogyo-sho Sumitomo Besshi Mine Co., Ltd. Co., Ltd. Sumitomo Metal Minig Co., Ltd. Co., Ltd. Merger Besshi Mine Sumiseki Materials Co., Ltd. Sumitomo Kyushu Tanko Merger Seika Mining Co., Ltd. Wakamatsu Office Co., Ltd. Sumitomo Mining Besshi Copper Mine businesses Co., Ltd. Wakamatsu Coal Sumitomo Coal Mining Co., Ltd. Coal Mining Plant Business Sumitomo Collieries Ban Tanko Co., Ltd. Co., Ltd. Sumitomo Ban Tanko Shikoku Machinery Co., Ltd. Co., Ltd. Sumitomo Machinery Spin-off Co., Ltd. Merger Sumitomo Heavy Industries, Ltd. Sumitomo Machinery Works Ltd. Sumitomo Sumitomo Machinery Co., Ltd. Heavy Industries, Ltd. Uraga Dock Co., Ltd. Uraga Heavy Industries, Ltd.
Sumitomo Heavy Industries Construction Machinery Sales Co., Ltd.
Sumitomo Heavy Industries Business relationship with Construction Machinery Co., Ltd. Sumitomo Machinery Co., Ltd. Sumitomo (S.H.I.) Sumiki Construction Machinery Sumitomo Construction Construction Machinery Sales Co., Ltd. Machinery Co., Ltd. Co., Ltd. Meidensha Corporation Meidensha Corporation Meidensha Corporation Kabata Belting Co., Ltd. Sumitomo Riko Co., Ltd. Tokai Rubber Mfg. Co., Ltd. Tokai Rubber Industries, Ltd. Showa Kogyo Co., Ltd. Sumitomo Riko Co., Ltd.
Business relationship with Business relationship with Sumitomo Besshi Kogyo-sho Sumitomo Electric Wire and Cable Works
The Sumitomo Electric Wire and Cable Works, Ltd. Sumitomo Electric Industries, Ltd. Spin-off from Sumitomo Copper Plant Sumitomo Sumitomo Electric Industries, Ltd. Electric Wire and Business relationship with Cable Works Sumitomo Electric Wire and Cable Works
Tokai Electric Wire Co.,Ltd. Sumitomo Wiring Systems, Ltd. Tokai Electric Wire Works Sumitomo Tokai Electric Wire Co.,Ltd. Wiring Systems, Ltd.
Business relationship with Nissin Electric Co., Ltd. Sumitomo Electric Wire and Cable Works Nissin Industries Cooperative Nissin Electric Co., Ltd. Nissin Electric Co., Ltd.
Sumiden Central Heating Sumiden Air Conditioning Co.,Ltd. Co.,Ltd. Merger Kudo-denki Construction Co.,Ltd. Kudo-denki Spin-off Sumitomo Densetsu Construction Sumitomo Densetsu Co., Ltd. Co., Ltd. Business relationship with Taiyo-kudo Construction Co.,Ltd. Sumitomo Electric Industries, Ltd. Taiyo-densetsu Construction Co.,Ltd. Taiyo-denki Construction Co.,Ltd.
Kameyama-denki Construction Co.,Ltd.
Business relationship with Sumitomo Electric Industries, Ltd. The Dunlop Rubber Dunlop Rubber Dunlop Rubber Co. (Japan), Ltd. Co. (Japan), Ltd. Launch of Dunlop Rubber Company Co. (Far East), Ltd. Dunlop Rubber Co. (Japan), Ltd. branch and plant in Kobe Sumitomo Chuo Rubber Industry Co., Ltd. Sumitomo Rubber Industries, Ltd. Rubber Industries, Ltd.
Nippon Electric Co., Ltd. Sumitomo Communication Industries Co., Ltd. NEC Corporation Nippon Electric Co., Ltd. NEC Corporation Capital alliance Nippon Electric Co., Ltd. with Sumitomo Electric Wire & Cable Works
Befu Chemical Industry Co., Ltd. Sumitomo Seika Chemicals Sumitomo Taki Chemical Co., Ltd. Merger Seitetsu Kagaku Co., Ltd. Co., Ltd. Sumitomo Business relationship Business relationship Seika Chemicals Co., Ltd. with Sumitomo Chemical with Sumitomo Chemical Seitetsu Kagaku Co., Ltd. Co., Ltd. Co., Ltd.
Osaka Pharmaceuticals Co.,Ltd. Merger Dainippon Pharmaceutical Co.,Ltd. Sumitomo Pharmaceuticals Co.,Ltd. Sumitomo Dainippon Merger with Japan Pharmaceutical Spin-off of pharmaceuticals Pharma Co., Ltd. sales division from Inabata & Co., Ltd. Establishment Tokyo Merger Merger Japan Dyestuff Manufacturing Company Sumitomo Chemical Nisshin Chemical Sumitomo Chemical Co.,Ltd. Co.,Ltd. Spin-off Co.,Ltd. Business relationship with Sumitomo Besshi Kogyo-sho Sumitomo Chemical Sumitomo The Sumitomo Sumitomo Chemical Co., Ltd. Fertilizer Works Fertilizer Works, Co.,Ltd. Spin-off Ltd. Merger Spin-off Sumitomo Aluminium Sumitomo Aluminium Smelting Co. Smelting Co.
Sumitomo Synthetic Resin Industries, Ltd. Business relationship with Nippon Synthetic Resin Industries, Ltd. Sumitomo Chemical Co., Ltd. Sumitomo Synthetic Resin Industries, Ltd. Synthetic Resin Industry Sumitomo Bakelite Sumitomo Bakelite Co., Ltd. Co., Ltd. Japan Bakelite Co., Ltd. Merger Merger Becomes Sumitomo affiliate Tsutsunaka Celluloid Factory Tsutsunaka Tsutsunaka Celluloid Tsutsunaka Tsutsunaka Plastic Industry Co., Ltd. Celluloid Kogyo Co., Ltd. Celluloid Co., Ltd. Tsutsunaka Kokukako Co., Ltd.
Nippon Sheet Glass Co., Ltd. America Japan Tokunaga Sheet Glass Manufacturing Co., Ltd. Sheet Glass Co., Ltd. Merger Merger America Japan Sheet Glass Co., Ltd. Nippon Sheet Glass Co., Ltd. Nippon Shosen Co., Ltd. Nippon Glass Fiber Co., Ltd.
Sumitomo Cement Co., Ltd. Iwaki Cement Co., Ltd. Merger Sumitomo Osaka Osaka Yogyo Cement Co., Ltd. Sumitomo Osaka Cement Co., Ltd. Osaka Cement Co., Ltd. Cement Co., Ltd.
Sumitomo Precision Fuso Metal Products Co., Ltd. Industries, Ltd. Sumitomo Steel Tube & Sumitomo Copper Works, Ltd. Precision Products Co., Ltd. Sumitomo Copper Plant Sumitomo Shindo-sho Spin-off from Sumitomo Metal Industries Japan Copper Manufacturing Shin-fuso Metal Co., Ltd. Sumitomo Metal Industries, Ltd. Nippon Steel & Sumitomo Metal Corporation Industries, Ltd.
Japan Steel Manufacturing Merger Merger Merger with Nippon Steel Corp. Sumitomo Steel Sumitomo Steel Works, Ltd. Foundry Sumitomo Chuko-sho
UACJ Corporation Kokura Steel Mfg. Co. Spin-off Sumitomo Light Metal, Ltd. Merge with Furukawa-Sky Aluminum Corp.
Nippon Steel & Sumikin Bussan Corporation Igeta Steel Pipes Co., Ltd. Sumikin Bussan Corporation
Igeta Steel Pipe Sales Co., Ltd. Merger with Merger with Nippon Steel Trading Corp. Itoman Corporation
2010 2015 Meiji 1 Dissolution of “zaibatsu” business conglomerates
Company name Company name Change in Capital Business conducted Business unit Business relationship Merger Spin-off after capital participation prior to capital by the Head Office of the Head Office company name participation or merger participation or merger
Development of the Sumitomo Group 33 Companies belonging to the Sumitomo Group Public Affairs Committee