Major Subsidiaries and Associated Companies


Steel

Japan

Company NameDetails of Business
HOKKAIDO SHEARING KAISHA, LTDFabrication 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 tubular and other steel products
OOTONE WAREHOUSE CO., LTDShearing, slitting, and warehousing of steel sheet 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., 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
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 AMERICA, INCManufacture of prototype casting using 3D printing technologyU.S.A.
MACTAN STEEL CENTER, INC.Steel service center (processing and sales)Philippines
MUKAND SUMI SPECIAL STEEL LIMITEDManufacturing and sale of specialty rolled steel and secondary processed specialty steelIndia
PT. SUPER STEEL KARAWANGSteel service center (processing and sales)Indonesia
S&L CONSULTING SAConsulting and Engineering for OCTGSwitzerland
SAIGON STEEL SERVICE AND 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 fashionNorway
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 center (processing and sales), production and sales of steel products of constructionMalaysia
SUMIPUTEH STEEL CENTRE SDN BHDSteel service center (processing and sales)Malaysia
SUMISHO METAL (THAILAND) CO.,LTD.Steel service center (processing and sales)Thailand
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
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
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