
Company Name |
 |

Main Business |
 |

Country in Operation |
 |
| Isuzu Corporation |
 |
Steel processing and sales |
 |
Japan |
 |
| Kyushu Steel Center Co.,Ltd. |
 |
Steel (thick plates) processing |
 |
Japan |
 |
| Kyushu Steel Corporation |
 |
Steel (building materials) manufacturing |
 |
Japan |
 |
| Koho CD Bars Service Center Co., Ltd. |
 |
Steel (cold finished steel bars, special steel, etc.) sales |
 |
Japan |
 |
| MC Metal Service Asia (Thiland) Co., Ltd. |
 |
Steel processing and sales |
 |
Thailand |
 |
| Metal One Corporation |
 |
Steel products operations |
 |
Japan |
 |
| Metal One Holdings America, Inc. |
 |
Holding company of steel processing and sales business |
 |
U.S.A. |
 |
| Metal One Specialty Steel Corporation |
 |
Special steel processing and sales |
 |
Japan |
 |
| Metal One SSS West Japan, Ltd. |
 |
Steel (building materials) processing and sales |
 |
Japan |
 |
| Metal One Stainless (Asia) Pte.Ltd. |
 |
Steel (stainless) processing and sales |
 |
Singapore |
 |
| Metal One Steel Service Co., Ltd. |
 |
Steel processing and sales |
 |
Japan |
 |
| Metal One Structural Steel & Resource Corporation |
 |
Steel (building materials) processing and sales |
 |
Japan |
 |
| Metal One Ryowa Corporation |
 |
Steel processing and sales |
 |
Japan |
 |
| M.O.TEC CORPORATION |
 |
Construction materials rentals and sales |
 |
Japan |
 |
| OTOFUJI Corporation |
 |
Sales of steel pipes and accessories |
 |
Japan |
 |
| Sanwa Steel Co.,Ltd. |
 |
Steel processing and sales |
 |
Japan |
 |
| Siam Hi -Tech Steel Center Co., Ltd. |
 |
Steel processing and sales |
 |
Thailand |
 |
| Sus-Tech Corporation |
 |
Steel (stainless) processing and sales |
 |
Japan |
 |
| Tamatsukuri Corporation |
 |
Steel (thick plates) processing and sales |
 |
Japan |
 |