| Company Name | Type | Status |
|---|---|---|
| TAMAI CONSTRUCTION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TAMAI PRECISION LIMITED | Private company limited by shares | Live |
| TAMAI ROAD INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Shanghai Tamai International Co., Limited | Private company limited by shares | Live |
| TAMAI TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |