| THERMACLE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| THERMACOTE HONG KONG LIMITED | Private company limited by shares | Live |
| THERMA-FLITE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| THERMAG TECHNOLOGY CORPORATION LIMITED | Private company limited by shares | Dissolved |
| THERMAGREEN LIMITED | Private company limited by shares | Live |
| THERMAL MAC COMPANY LIMITED | Private company limited by shares | Live |
| TTE THERMAL LIMITED | Private company limited by shares | Live |
| THERMAL TEX COMPANY LIMITED | Private company limited by shares | Live |
| DK Thermal Limited | Private company limited by shares | Live |
| Thermal AI Limited | | Live |
| AARE CUN TAI THERMAL LIMITED | Private company limited by shares | Live |
| Asia Thermal Ablation Cancer Treatment Limited | Private company limited by shares | Live |
| PRO THERMAL TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| Thermal Controls Company Limited | Private company limited by shares | Live |
| THERMAL ENGINEERING COMPANY LIMITED -THE- | Private company limited by shares | Live |
| THERMAL ENGINEERING (ASIA) LIMITED | Private company limited by shares | Live |
| TAKASAGO THERMAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| THERMAL FINANCE LIMITED | Private company limited by shares | Dissolved |
| IA THERMAL GROUP LIMITED | Private company limited by shares | Dissolved |
| THERMAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| ICEBERG THERMAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| JUN INDUSTRIAL THERMAL LIMITED | Private company limited by shares | Live |
| Thermal Investment Limited | Private company limited by shares | Live |
| THERMAL KNITS LIMITED | Private company limited by shares | Dissolved |
| THERMAL ENERGY (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live Ceased dormancy on 27-Feb-2015 |
| Qingdao Thermal Advanced Material Co., Limited | Private company limited by shares | Live |
| Polaris Thermal Technology Limited | Private company limited by shares | Live |
| PCM THERMAL POWER LIMITED | Private company limited by shares | Dissolved |
| CREATIVE THERMAL PRODUCT LIMITED | Private company limited by shares | Dissolved |
| SUN WIN THERMAL PRODUCTS LIMITED | Private company limited by shares | Live |
| GY Thermal Solutions Company Limited | | Live |
| JF THERMAL SYSTEM LIMITED | Private company limited by shares | Live |
| T-BOX THERMAL STORAGE LIMITED | Private company limited by shares | Live |
| THERMAL INDUSTRY & TECHNIQUE CO., LIMITED | Private company limited by shares | Live |
| THERMAL SECURITY TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| TIGI THERMAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| THERMAL TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Thermal Kit Technology Limited | Private company limited by shares | Live |
| HK SHAPED THERMAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sinda Thermal Technology Limited | Private company limited by shares | Live |
| THERMAL ENERGY TRADING LIMITED | Private company limited by shares | Live |
| THERMALAB LIMITED | Private company limited by shares | Live |
| THERMALLOY LIMITED | Private company limited by shares | Dissolved |
| ThermalMore Limited | | Live |
| THERMALTRONICS (HK) COMPANY LIMITED | Private company limited by shares | Live |
| THERMASAN LIMITED | Private company limited by shares | Dissolved |
| THERMASIP ASIA INCORPORATED LIMITED | Private company limited by shares | Live |
| THERMASTER LIMITED | Private company limited by shares | Live |
| THERMA-TEK ASIA LIMITED | Private company limited by shares | Dissolved |
| THERMATIC INDUSTRIES LIMITED | Private company limited by shares | Dissolved |