Major Subsidiaries and Associated Companies


A-C

Company NameDetails of BusinessSupervision Business Units
ASAMA GIKEN CO., LTD.Molding and manufacturing of cast parts for automobilesTransportation & Construction Systems
Battery Station Kyushu LLC・Electricity business
・Possession and maintenance of Battery Energy Storage System.
Energy Innovation
Belle Maison Logisco Co., Ltd.Planning, operation and management of distribution centers for mail-order companiesInfrastructure
SC Risk Solutions Co.,Ltd.Reinsurance brokerInfrastructure
BS Holdings Co., Ltd.Electricity business, manufacturing, sales, leasing, installationm, operation and maintenance of energy related facilities / equipmentEnergy Innovation
CHANNEL GINGA CO.,LTD.Content production, creator management and brand sales activities in digital mediaMedia & Digital
CHIBA KYODO SILO CO.,LTD.Grain storage (Loading, unloading, storage and transportation)Living Related & Real Estate
CHUBU COAL CENTER. LTD.Storage of coals and the related businessMineral Resources, Energy, Chemical & Electronics

D-F

Company NameDetails of BusinessSupervision Business Units
Discovery Japan.Programming business specializing in documentariesMedia & Digital
ECOBUNKER SHIPPING CO., LTD.Domestic Shipping IndustryMineral Resources, Energy, Chemical & Electronics
ENESSANCE HOLDINGS CO., LTDPlanning the strategy of LPG & home solution business, controlling its subsidiaries, and LPG wholesaleMineral Resources, Energy, Chemical & Electronics
EWEL, INC.Corporate benefits administration outsourcingLiving Related & Real Estate
FEILER JAPAN CO.,LTD.Import, designing and sales of the German luxury line of Chenille fabrics brand “FEILER” as exclusive importerLiving Related & Real Estate
4R ENERGY CORPORATIONRecycling of lithium-ion batteries (collection, production, distribution)Energy Innovation

G-I

Company NameDetails of BusinessSupervision Business Units
GREAPE ONE LTD.Wireless service platform operator for Local 5G and Regional BWA(Broadband Wireless Access), research, development, manufacturing, operation, maintenance, sales and rental of various terminals and base stations, Telecommunications business as defined in the Telecommunications Business LawMedia & Digital
GYXIS CORPORATIONManufacture, storage, transport, sale and import, export of LP gasMineral Resources, Energy, Chemical & Electronics
Hakobune CO., LTD.EV,Charger lease & rentalTransportation & Construction Systems
HOKKAIDO DISTRICT HEATING CO., LTD.District heating and cooling in SapporoInfrastructure
HOKKAIDO SHEARING KAISHA, LTDFabrication and sale of steel productsMetal Products
IG KOGYO, CO., LTDManufacture and sales of metal siding products and othersLiving Related & Real Estate

J-L

Company NameDetails of BusinessSupervision Business Units
JCOM CO., LTD.CATV operation and telecommunication business throughmanagement of CATV operators, Program supplying business for CATV operators and digital satellite broadcastMedia & Digital
J SPORTS CORPORATIONSupplier of sports programmingMedia & Digital
Jupiter Entertainment Co., Ltd.Operation of movie programming "Movie Plus" and women's entertainment programming "LaLa TV"Media & Digital
JUPITER SHOP CHANNEL CO., LTD.Management of direct marketing business centered around Shop Channel, which conducts correspondence sales via CATVMedia & Digital
KI FRESH ACCESS, INC.Large area middle trader business of fresh vegetables and fruits and service center businessLiving Related & Real Estate
KINTO CORPORATIONLeasing of motor vehicles, Auto repair/Inspection, Fleet management, Used car sales, Businesses assosiated with Mobility as a serviseTransportation & Construction Systems
KIRIU CORPORATIONAutomotive components manufacturer (Disc rotor, Brake drum, etc.)Transportation & Construction Systems
KIRIU OITA K.K.Automotive components manufacturer (Disc rotor, Brake drum, etc.)Transportation & Construction Systems
KIRIUYAMAGATA CORPORATIONAutomotive components manufacturer (Disc rotor, Brake drum, etc.)Transportation & Construction Systems
LNG JAPAN CORPORATIONTrading of LNG, investment and financing related to LNG businessMineral Resources, Energy, Chemical & Electronics

M-O

Company NameDetails of BusinessSupervision Business Units
MAMMY MART CORPORATIONSupermarket chainLiving Related & Real Estate
MARUBENI ITOCHU SUMISHO TECHNO STEEL INC.Sale of steel productsMetal Products
Mazda Steel Co., Ltd.Shearing, slitting, and sale of steel sheetsMetal Products
METAL ONE SUMISHO TUBULAR PRODUCTS CO.,LTD.Processing and sales of steel tubular and other steel productsMetal Products
OGA WIND POWER CORPORATIONWind Power IPPInfrastructure
OOTONE WAREHOUSE CO., LTDShearing, slitting, and warehousing of steel sheet productsMetal Products
OPTECH ENERGY Co., Ltd.Energy management service, System development and Data analysisEnergy Innovation
OSHIMA SHIPBUILDING CO., LTD.ShipbuildingTransportation & Construction Systems

P-R

Company NameDetails of BusinessSupervision Business Units
PETROCOKES JAPAN LTD.Manufacture and sale of petroleum needle cokeMineral Resources, Energy, Chemical & Electronics
POWER FRONTIER HOLDINGS CO.,LTD.Shareholding of solar power generation companies in Japan and overseasEnergy Innovation

S

Company Name Details of Business Supervision Business Units
S.C. BUILDING SERVICE CO.,LTD. Facility management of buildings (Cleaning, equipment maintenance and security) Living Related & Real Estate
S.C. CEMENT CO., LTD. Sales of cement, ready-mixed concrete and concrete products Living Related & Real Estate
SC-ABEAM AUTOMOTIVE CONSULTING Automotive industry focused consulting Transportation & Construction Systems
SC AUTOMOTIVE ENGINEERING CO., LTD. Developing automotive engineering business Transportation & Construction Systems
SC DIGITAL CO., LTD. Operation management and investment activities in digital media Media & Digital
SC FOODS CO.,LTD. Developmental import and sale of foods, meat, beverages, grains, fats, sugars, etc. Living Related & Real Estate
SC MACHINERY AND SERVICE CO.,LTD. Sales of various kinds of machines and equipment Transportation & Construction Systems
SCSK CORPORATION Software development, information processing service, communication network service, sales of package software as well as software and hardware, SI service and others, and BPO Media & Digital
SCTM ENGINEERING CORPORATION Automotive engineering service provider Transportation & Construction Systems
SHARING DESIGN INC. Providing 5G-centered base station sharing services to mobile communications carriers Media & Digital
SHINKO SUGAR MILL CO., LTD Manufacturing and sales of sugar and molasses Living Related & Real Estate
SMB KENZAI CO., LTD. Sales of various building materials and construction work Living Related & Real Estate
SOLAR POWER KITAKYUSHU CORPORATION Solar Power IPP Infrastructure
SOLAR POWER MINAMISOMA HARAMACHI IN C. Solar Power IPP Infrastructure
SOLAR POWER MINAMISOMA KASHIMA INC. Solar Power IPP Infrastructure
SOLAR POWER SAIJYO CORPORATION Solar Power IPP Infrastructure
SOLAR POWER TOMAKOMAI CORPORATION Solar Power IPP Infrastructure
SPRING INFRASTRUCTURE CAPITAL CO., LTD Fund management of infrastructure funds Infrastructure
SUMISHO AERO-SYSTEMS CORPORATION Sale of aerospace equipment Transportation & Construction Systems
Sumisho Airbag Systems Co., Ltd. Manufacture and sale of side curtain airbag cushions for automobiles Transportation & Construction Systems
SUMISHO BUILDING MANAGEMENT CO.,LTD. Operation, management, planning and consulting service for office buildings, construction work, management and contracting for buildings and equipment including electric systems, and tenant brokerage Living Related & Real Estate
SUMISHO GLOBAL LOGISTICS CO., LTD. Global Logistics Service Provider Infrastructure
SUMISHO INSURANCE CORPORATION Insurance agency Infrastructure
SUMISHO INTERIOR INTERNATIONAL INC. Interior design, construction and interior product procurement, import, export, sales of furniture and carpet, and industrial materials Living Related & Real Estate
SUMISHO MARINE CO., LTD. Shipping related trading business (newbuilding/2nd hand/charter) Transportation & Construction Systems
SUMISHO MATERIALS CORPORATION Trading of precious metals and other products Mineral Resources, Energy, Chemical & Electronics
SUMISHO METALEX CORPORATION Sale of non-ferrous metal products, Construction material, Electronic part material and Battery material Mineral Resources, Energy, Chemical & Electronics
SUMISHO MONTBLANC CO.,LTD. Planning, production and sales of white coats, service industry uniforms, work uniforms and related clothing products, as well as production and sale of linen materials Living Related & Real Estate
SUMISHO REALTY MANAGEMENT CO., LTD. Investment management business, investment advisory and agency business, Type II financial instruments business, and building lots and buildings business Living Related & Real Estate
SUMISHO TATEMONO CO., LTD. Sales, brokerage, leasing and management of real estate Living Related & Real Estate
SUMISHO URBAN DEVELOPMENT,CO.,LTD. Planning, development, management, and operation of shopping centers Living Related & Real Estate
SUMISHO VENTURE PARTNERS, INC. CVC Portfolio Management, ICT related business development with Portfolio, ICT related investment, Fund investment Media & Digital
SUMITOMO CORPORATION GLOBAL METALS CO., LTD. Sales of metal products & metals and services within Japan, import and export, trilateral trade, and domestic and international business investment Metal Products
SUMITOMO CORPORATION POWER AND MOBILITY CO., LTD. Trade in automobiles, railcars, etc., and electric power project facilities, development and implementation of overseas electric power infrastructure and railway infrastructure, new business development in the mobility field Transportation & Construction Systems
SUMITOMO MITSUI AUTO SERVICE COMPANY, LIMITED Leasing, rental, maintenance, repair, and inspection of automobiles, parts and accessories Transportation & Construction Systems
SUMITOMO MITSUI FINANCE AND LEASING COMPANY, LIMITED Leasing Transportation & Construction Systems
SUMITOMO PRECISION PRODUCTS, CO. Manufacture and sale of aircraft components and heat exchangers, and ICT equipment Transportation & Construction Systems
SUMITOMO SHOJI CHEMICALS CO., LTD. Sale and trade of plastics, organic chemicals, inorganic, and fine chemicals and electronic materials Mineral Resources, Energy, Chemical & Electronics
SUMITOMO SHOJI MACHINEX CO., LTD. Sale of machinery and equipment Infrastructure
SUMITRONICS CORPORATION Electronics Manufacturing Service Mineral Resources, Energy, Chemical & Electronics
SUMMIT,INC Supermarket chain Living Related & Real Estate
SUMMIT AGRI-BUSINESS CORPORATION Manufacture and sale of fertilizers and agriculture-related materials Mineral Resources, Energy, Chemical & Electronics
SUMMIT AGRO INTERNATIONAL LTD. Development and distribution of crop protection products, household insecticides and pet care products Mineral Resources, Energy, Chemical & Electronics
SUMMIT AIR SERVICE CORPORATION Travel agency Infrastructure
SUMMIT-BENICHU COIL CENTER CO., LTD Purchase, shearing, slitting, and sale of steel sheets Metal Products
SUMMIT COSMETICS CORPORATION Manufacturing, Import and Export Sales, and Research & Development for Cosmetic Product and its ingredient Mineral Resources, Energy, Chemical & Electronics
SUMMIT CRM, LTD. Trading of carbon-related materials (coke, etc), refractories Mineral Resources, Energy, Chemical & Electronics
SUMMIT ENERGY CORPORATION Planning, development and operation of domestic retailing of electric power, domestic business in electric power and energy field and controlling its 5 subsidiaries
・Summit Handa Power Corporation
・Summit Sakata Power Corporation
・Summit Myojo Power Corporation
・Summit Mihama Power Corporation
・Summit Onahama S Power Corporation
Infrastructure
SUMMIT ENERGY DEVELOPMENT CO.,LTD Advisory services for exploation, development and production of natural gas and other resources and the related business Mineral Resources, Energy, Chemical & Electronics
SUMMIT GLOBAL POWER LTD. Development, asset management and technical support for power generation and desalination projects. (This company has a branch in Abu Dhabi, United Arab Emirates) Infrastructure
Summit Handa Power Corporation Biomass-fired power generation Infrastructure
Summit Mihama Power Corporation Power and steam supply Infrastructure
SUMMIT MYOJO POWER CORPORATION Biomass-fired power generation Infrastructure
SUMMIT OIL MILL CO., LTD. Manufacture and sales of vegetable oil, and contract manufacturing, filling and packaging Living Related & Real Estate
SUMMIT ONAHAMA S POWER CORPORATION Power and steam supply Infrastructure
SUMMIT PHARMACEUTICALS INTERNATIONAL CORPORATION Drug discovery services, pharmaceutical development and supply of active pharmaceutical ingredients, intermediates and formulations Mineral Resources, Energy, Chemical & Electronics
SUMMIT SAKATA POWER CORPORATION Biomass-fired power generation Infrastructure
SUMMIT STEEL CO.,LTD. Shearing, slitting, and sale of steel sheets Metal Products
SUMMIT WIND POWER CORPORATION Wind Power IPP Infrastructure
SUN TRINITY LLC. Business development and operation of solar power generation business in Japan Energy Innovation

T-U

Company NameDetails of BusinessSupervision Business Units
Taiyo Kenki Rental Co., Ltd.Rental business of construction machineryTransportation & Construction Systems
T-GAIA CORPORATIONSelling cellular phones and serving as an official dealer for cellular phones, Providing communication solutions services mainly to companies and serving as an intermediate for fixed-line communication services, Settlement service and other new businessesMedia & Digital
Tomod’s CO., LTD.Drugstore (with dispensing function)Living Related & Real Estate
TOMRA JAPAN LTD.Production, export, import and sales of reverse vending machines for used beverage containers (metal, plastic, and glass bottles and etc.) Collection and recycling of used beverage containers and the other materialInfrastructure

V-Z

Company NameDetails of BusinessSupervision Business Units
WELLNEO SUGAR CO., LTD.Manufacture and sales of sugarLiving Related & Real Estate
Yasato Kosan Co. Ltd.Owning and operating of golf courseLiving Related & Real Estate
YakujuPharmacyLiving Related & Real Estate
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