Metal One Corporation - Network - Domestic Business Investment Affiliates

Altown Corporation  (Sales of automobiles)
Asahi Kizai Co., Ltd.  (Construction; sales and leasing of construction equipment)
Canox Corporation  (Distribution and sales of steel products and processed construction materials)
Koho CD Bars Service Center Co., Ltd.  (Distribution and sales of specialty steel)
M. O. Tec Corporation    (Leasing of construction and civil engineering materials and equipment)
Mansho Co., Ltd.  (Distribution and sales of stainless steel)
Metal One Pipe & Tubular Products Inc.   (Processing and sales of steel pipes and tubular products)
Metal One SSS West Japan, Ltd.   (Sales of steel products and processed construction materials)
Metal One Stainless Raw Materials Corporation  (Sales of stainless steel scrap)
Metal One Steel Products Corporation   (Trading and domestic sales of steel products)

Metal One Structural Steel & Resource Corporation

(Sales of steel products and processed construction
materials)

Metal One Tubular Products Inc. (Export and domestic sales of steel pipes)
Watex Hokkaido Corporation (Sales of steel products and processed construction materials)

Metal One Service Center Holdings Corporation

(Oversight and management of service center operations
under its umbrella)

AOI Co., Ltd. (Cutting, processing and sales of steel plates/sheets)
Hamamatsu Kohan Kako Co., Ltd.  (Cutting, processing and sales of steel plates/sheets)
Isuzu Corporation  (Cutting, processing and sales of steel plates/sheets)
Metal One Ryowa Corporation  (Cutting, processing and sales of steel plates/sheets)
Metal One Steel Service Corporation  (Cutting, processing and sales of steel plates/sheets)
MOBY Corporation  (Cutting, processing and sales of steel plates/sheets)
MO Nishinihon Steel Center Co., Ltd.  (Cutting, processing and sales of steel plates/sheets)
Obiko Corporation  (Shape forming, processing and sales of colored sheets)
Sanwa Tekko Co., Ltd.  (Cutting, processing and sales of steel plates/sheets)
Stainless One Corporation  (Cutting, processing and sales of stainless steel plates/sheets)
Sus-Tech Corporation  (Cutting, processing and sales of stainless steel plates/sheets)
Suzuyasu Corporation  (Cutting, processing and sales of steel plates/sheets)

Ariake Steel Center Co., Ltd.  (Distribution and processing center for steel shipbuilding products)
Hakodate Steel Center Corporation  (Distribution and processing center for steel shipbuilding products)
Imari Steel Center Co., Ltd.  (Distribution center for steel shipbuilding products)
Keiyo Blanking Kogyo Co., Ltd.  (Melt-cutting, processing and sales of heavy and medium steel plates)
Kyushu Steel Center Co., Ltd.  (Painting, cutting, assembling and processing of steel shipbuilding products)
Maxis Corporation  (Processing and sales of heavy machinery parts and specialty steel)
Metal One Specialty Steel Corporation  (Processing and sales of specialty steel)
Metal One Steel Center Shikoku Corporation  (Cutting, welding, assembling and processing of steel products)
Mizushima Metal Products Corporation  (Processing and sales of steel products)
Seikoh Co., Ltd.  (Cutting, processing and sales of stainless steel plates/sheets)
Taiyo Shearing Co., Ltd.  (Cutting, processing of steel products)
Tamatsukuri Corporation (Osaka)  (Melt-cutting, processing and sales of heavy and medium steel plates)
TTC Corporation  (Processing and sales of wire rod products)

Galvart Japan Company Limited   (Processing wire rods)
Japan Pail Corporation   (Manufacturing steel pails)
Kyushu Steel Corp.   (Manufacturing steel bars)
Metal One Office Corporation  (Support of foreign trade-related and sales operations)
Shinsei Kogyo Co., Ltd.  (Processing wire rods)
Sunrock Oyodo Co., Ltd.  (Processing wire rods)

(As of October 1, 2011)