| TRAMA LIMITED | Private company limited by shares | Dissolved |
| TRAMACO LIMITED | Private company limited by shares | Dissolved |
| TRAMALOT LIMITED | Private company limited by shares | Dissolved |
| TRAMAR LIMITED | Company limited by guarantee | Dissolved |
| TRAMAT CO. LIMITED | Private company limited by shares | Dissolved |
| Tramatt Limited | Private company limited by shares | Live |
| TRAMAX LIMITED | Private company limited by shares | Dissolved |
| TRAMAX CO., LIMITED | Private company limited by shares | Live |
| Tramax Global Trading Company Limited | Private company limited by shares | Live |
| TRAMAX (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TRAMAX (HK) INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| TRAMAX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TRAMAX INTERNATIONAL LIMITED | Private company limited by shares | Live |