Major Subsidiaries and Associated Companies


Metal Products Business Unit

Japan

Company NameDetails of Business
Hokkaido Shearing Kaisha, Ltd.Fabrication and sale of steel products
KS Summit Steel Co., Ltd.Shearing, slitting, and sale of steel sheets
Marubeni Itochu Sumisho Techno Steel Inc.Sale of steel products
Mazda Steel Co., Ltd.Shearing, slitting, and sale of steel sheets
Metal One Sumisho Tubular Products Co., Ltd.Processing and sales of steel piping and other steel products
Sumisho Metalex CorporationSale of nonferrous metal products, materials for home heat solution
Sumitomo Corporation Global Metals Co., LtdSale of steel and non-ferrous metal products, management of invested companies for processing and manufacturing
Summit-Benichu Coil Center Co., LtdPurchase, shearing, slitting, and sale of steel sheets
Summit Steel Co., Ltd.Shearing, slitting, and sale of steel sheets

Overseas

Company NameDetails of BusinessCountry/Region
ANS Steel Tubes LimitedManufacturing and sales of electric resistance welded (ERW) pipes for automobiles and motorcyclesIndia
AO & G Holding B.V.Manufacture and sale of Thermoplastic Composite Pipes (TCP)Netherlands
Arkansas Steel Associates, LLCSteel mini mill (Manufacturing of railroad tie plates)U.S.A.
Calamba Steel Center Inc.Steel service center (processing and sales)Philippines
CS Metal Co., Ltd.Steel service center (processing and sales)Thailand
Hanoi Steel Center Co., Ltd.Steel service center (processing and sales)Vietnam
Mactan Steel Center Inc.Steel service center (processing and sales)Philippines
Mason Metal Industry Co., Ltd.Steel service center (processing and sales)Taiwan
Nippon Steel Pipe America, Inc.Manufacturing and sale of welded steel pipes for automobilesU.S.A.
PT. Super Steel KarawangSteel service center (processing and sales)Indonesia
S & L Consulting SAConsulting and Engineering for OCTGSwitzerland
Saigon Steel Service & Processing Co., Ltd.Steel service center (processing and sales)Vietnam
S and L Consulting USA, Inc.Consulting and Engineering for OCTG U.S.A.
SC Metal Pty LtdInvestment in aluminum smelting operation in AustraliaAustralia
Sekal ASFor the safety and cost-effective oil and gas development, Sekal software based on a state-of-art physics model enables to figure out precisely a real-time drilling condition as well as to look ahead a future potential risk. These unique characteristics also enable software to manipulate safely drilling equipment in an automatic fashion. Norway
Servilamina Summit Mexicana S.A. de C.V.Steel service center (Steel process and sales)Mexico
Steel Center Europe, S.R.O.Shearing, slitting, and sale of steel sheetsCzech
Steel Centre (M) Sdn. Bhd.Steel service centre (processing and sales), production and sales of steel products of constructionMalaysia
Steelsummit Holdings, Inc.Steel Service Center & Import of Flat Rolled SteelU.S.A.
Steelsummit International Trading (Canada) Inc.Steel TradingCanada
Sumiputeh Steel Centre Sdn. Bhd.Steel service center (processing and sales)Malaysia
Sumisho Metal (Thailand) Co., Ltd.Steel service center (processing and sales)Thailand
Summit Steel M E FZETrade of various kind of steel products, Steel service center, sale of flat steel productsU.A.E.
Thai Special WireManufacture and sales of PC steel wires and spring wiresThailand
Thai Steel Pipe Industry Co., Ltd.Manufacture and sales of welded steel tubesThailand
Vietnam Nippon Steel Pipe Company LimitedManufacture and sales of mechanical steel tubes mainly for motorcyclesVietnam
住商鋼鐵製品(香港)有限公司Shearing, slitting, and sale of steel sheetsChina
上海頂鋒金属製品有限公司Shearing, slitting, and sale of steel sheetsChina
上海日嘉金属制品有限公司Stock, sale, and processing of tool steelChina
中山高木汽車配件有限公司Manufacture and sales of pressed parts and molds for automobilesChina
中山市野村鋼材製品有限公司Steel service center (processing and sales)China
天津華住金属制品有限公司Shearing, slitting, and sale of steel sheetsChina
東莞頂鋒金属制品有限公司Steel service center (processing and sales)China
無錫頂鋒日嘉金属制品有限公司Manufacture, processing and sales of tool steel and semi-finished moldsChina
無錫宝美鋒金属加工配送有限公司Steel service center (processing and sales)China
鈴木住電鋼綫制品(廣州)有限公司Manufacture and sales of stainless steel wiresChina
佛山頂鋒日嘉模具有限公司Stock, sale, and processing of tool steelChina
广州日鉄鋼管有限公司Manufacture and sales of tubular products for automobiles, construction equipment and motorcyclesChina
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