| TRAM LIMITED | Private company limited by shares | Live |
| Automotive Tram Anh Co., Limited | Private company limited by shares | Live |
| RAIN FOREST TRAM LIMITED | Private company limited by shares | Live |
| TRAM (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| TRAM (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| HUNGRY TRAM LIMITED | Private company limited by shares | Live |
| SINO TRAM GROUP INVESTMENT LIMITED | Private company limited by shares | Live |
| 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 |
| TRAMBELL LIMITED | Private company limited by shares | Live |
| TRAMBO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TRAMED LIMITED | Private company limited by shares | Live |
| TRAMELL LIMITED | Private company limited by shares | Dissolved |
| UL TRAMETA LIMITED | | Live |
| TRAMEX LIMITED | Private company limited by shares | Live |
| Tramex HK Limited | Private company limited by shares | Dissolved |
| TRAMIA LIMITED | Private company limited by shares | Dissolved |
| TRAMID LIMITED | Private company limited by shares | Dissolved |
| TRAMIGO INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Tramigos Limited | Private company limited by shares | Live |
| TRAMMAR LIMITED | Private company limited by shares | Dissolved |
| TRAMMEL LIMITED | Private company limited by shares | Live |
| TRAMO AND COMPANY LIMITED | Private company limited by shares | Live |
| TRAMOND LIMITED | Private company limited by shares | Dissolved |
| TRAMONDI HONG KONG LIMITED | Private company limited by shares | Live |
| A.D. TRAMONTANA (ASIA) LIMITED | Private company limited by shares | Live |
| TRAMONTANA GROUP LIMITED | Private company limited by shares | Live |
| TRAMONTANE LIMITED | Private company limited by shares | Dissolved |
| TRAMOPHY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRAMORE LIMITED | Private company limited by shares | Dissolved |
| TRAMORE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TRAMOS Asia Limited | Private company limited by shares | Live |
| Tramotors Limited | | Live |
| ORIENTAL EMPIRE TRAMP COMPANY LIMITED | Private company limited by shares | Live |
| TRAMP SHIPPING COMPANY (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TRAMP INTERNATIONAL SPORTS MARKETING LIMITED | Private company limited by shares | Dissolved |
| SEASPAN TRAMPCO LIMITED | Private company limited by shares | Dissolved |
| TRAMP-HOME INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRAMP-HOME LOGISTICS (INT'L) COMPANY LIMITED | Private company limited by shares | Dissolved |
| OCEAN TRAMPING COMPANY, LIMITED | Private company limited by shares | Live |
| ABC Trampoline Limited | Private company limited by shares | Live |
| CHINESE PUBLIC TRAMPOLINE ASSOCIATION LIMITED | Private company limited by shares | Live |
| Trampoline HK Co., Limited | Private company limited by shares | Live |
| Tramric Limited | Private company limited by shares | Live |
| TRAMS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TRAMUTUMI COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRAMWAYS VALLEY CENTRE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Tramways Engineering Limited | Private company limited by shares | Live |
| HONGKONG TRAMWAYS LIMITED | Private company limited by shares | Live |
| PEAK TRAMWAYS COMPANY, LIMITED | Public company limited by shares | Live |
| TRAMWILL LIMITED | Private company limited by shares | Dissolved |
| TRAMY HOLDINGS LIMITED | Private company limited by shares | Live |
| HONGKONG TRAMY INTERNATIONAL FOOD LIMITED | Private company limited by shares | Dissolved |