||Marubeni Itochu Sumisho Techno Steel Inc.
||Sales of steel construction materials for construction and civil engineering sectors
|Marubeni-Itochu Specialty Steel Corp.
||Processing and sales of specialty steel, stainless steel and wire products
|MI Primary Service Inc.
|Ohtsuka Steel Trading Co., Ltd.
||Sales of thick and medium steel plates and civil engineering materials
|Open21 Systems Co., Ltd.
||Network system development, management and consulting related to steel sales
|K&I Tubular Corp.
||Exports and sales of specialty pipe
|SANYO CO., LTD.
||Processing and sales of steel pipe and materials, fi ttings, fl anges, valves, road construction materials and other items
|JFE Nikkenban Co., Ltd.
||Manufacturing, sales and installation of metal construction materials
|TAIHEI CO., LTD.
||Processing, sales and leasing of steel pipe and other temporary construction materials and equipment
|TOMIYASU & CO., LTD.
||Processing and sales of steel, nonferrous metals, construction and civil engineering products and machine tools
|NIPPON STEEL & SUMIKIN ANTI-CORROSION CO., LTD.
||Lining synthetic - resin and coating of steel pipes and other products for anticorrosion
|Benichu Steel Inc.
||Processing, sales and business operations related to steel products and construction materials
||IBARAKI STEEL CENTER CO., LTD.
||Cutting and sales of plates; cold rolling and forging processing
|Kita Kanto Steel Co., Ltd.
||Cutting, melt-cutting and sales of plates
|K.K. Hitachi Steel Center
||Electrical steel sheets and coil slitting and shearing; pressing and assembly of magnetic cores of motors
||OOTONE WAREHOUSE CO., LTD.
||Warehousing, plates shearing and sales, tailor welded blank (TWB) welding and sales
||Benichu Coil Center Kanto, Inc.
||Shearing and sales of steel plates (sheets)
|Meiho Kogyo Co., Ltd.
||Processing and sales of tinplate products
||Processing and sales of pipe and ordinary steel materials
||TOKYO STEEL CENTER CO., LTD.
||Processing and sales of steel plates (sheets)