| Group Companies |
 | Nisshin Information Service Corp. |
| Molitec Steel Co., Ltd. |
| Nisshin Koki Co., Ltd. |
| MSS Stainless Steel Center Co., Ltd |
| Tsukiboshi Art Co., Ltd. |
|
Tsukiboshi Logistics Co., Ltd. |
| Nisshin A&C Co., Ltd. |
|
|
| Shinwa Kigyo Co., Ltd. |
| |
| Nihon Teppan Co., Ltd. |
| |
| Tsukiboshi Shoji Co., Ltd. |
Others |
| Sun Wave Corp. |
| International Stainless Steel Forum |
| Sanko Metal Industrial Co., Ltd. |
| |
| Canox Corp. |
| |
| Chugokukogyo Co., Ltd. |
| |
| Hisaka Works, Ltd. |
|
|
|
