Major Subsidiaries and Associated Companies


Metal Products

Japan

Company NameDetails of Business
Hokkaido Shearing Kaisha, Ltd.Fabrication and sale of steel products
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
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
Summit-Benichu Coil Center Co., Ltd.Purchase, shearing, slitting, and sale of steel sheets
Summit Steel Co., Ltd.Shearing, slitting, and sale of steel sheets

Overseas

Company NameDetails of BusinessCountry/Region
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
Gerdau Summit Acos Fundidos e Forjados S.A.Manufacture and sales of forging and casting products for industriesBrazil
Hanoi Steel Center Co., Ltd.Steel service center (processing and sales)Vietnam
Kimura Foundry Amercia, Inc.Manufacture of prototype casting using 3D printing technologyU.S.A.
Mactan Steel Center Inc.Steel service center (processing and sales)Philippines
Mukand Sumi Metal Processing LimitedManufacturing and sale of secondary processed specialty steel and stainless steel productsIndia
Mukand Sumi Special Steel LimitedManufacturing and sale of specialty rolled steelIndia
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 OCTGU.S.A.
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.Metal Service Center & Import of Flat Rolled SteelU.S.A.
StrohmManufacture and sale of Thermoplastic Composite Pipes (TCP)Netherlands
Sumiputeh Steel Centre Sdn. Bhd.Steel service center (processing and sales)Malaysia
Sumisho Metal (Thailand) Co., Ltd.Steel service center (processing and sales)Thailand
Thai Special WireManufacture and sales of 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 sheetsHong Kong
上海頂鋒金属製品有限公司Shearing, slitting, and sale of steel sheetsChina
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
無錫頂鋒日嘉金属制品有限公司Manufacture, processing and sales of tool steel and semi-finished molds, Heat treatment, Surface treatmentChina
佛山頂鋒日嘉模具有限公司Manufacture, processing and sales of tool steel and semi-finished molds, Heat treatment, Surface treatmentChina
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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