Sumisho Steel Sheets Works Co., Ltd.

Fabrication and sale of steel products

Ishida Metal Co., Ltd.

Fabrication and sale of stainless steel products

Kansai Stainless Corp

Processing of stainless steel sheets

SC Pipe Solutions Co., Ltd.

Sale of steel piping and other steel products

Nippon Katan Co., Ltd.

Manufacture and Sales of Line Hardware for Electric Power Transmission/ Transforming

Sumisho Airbag Systems Co., Ltd.

Manufacture and sale of cushion for side curtain airbag

Tortoise Co., Ltd.

Processing and sale of interior goods and home furnishing to consumers' cooperatives

Sumisho Montblanc Co., Ltd.

Processing and sale of work uniforms and related clothing products

Sumisho Material Chugoku Co., Ltd.

Sale of civil engineering and construction steel materials, pottery industry materials, and manufactured goods

A-FOSS (THAILAND) LTD.

Sale of parts, industrial tools and machinery in Thailand

Summit Wool Spinners Limited (New Zealand)

Manufacture and sale of wool yarn for carpets