| Cooler Machinery H.K. Co. Limited | Private company limited by shares | Live |
| COOLER MASTER (H.K) LIMITED | Private company limited by shares | Live |
| Cooler Power (Hong Kong) Co., Limited | Private company limited by shares | Dissolved |
| Cooler (HongKong) Technology Co., Limited | Private company limited by shares | Live |
| ACG COOLER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| COOLER International Co., Limited | Private company limited by shares | Live |
| KING COOLER LIMITED | Private company limited by shares | Live |
| KING COOLER (HK) LIMITED | Private company limited by shares | Live |
| Cooler King International Limited | Private company limited by shares | Live |
| BLACK KNIGHT COOLER LIMITED | Private company limited by shares | Dissolved |
| Cooler Logistics Company Limited | Private company limited by shares | Live |
| COOLER MASTER LIMITED | Private company limited by shares | Dissolved |
| COOLER MASTER LIMITED | Private company limited by shares | Live |
| ZHEJIANG COOLER REFRIGERATION LIMITED | Private company limited by shares | Live |
| COOLER RUBBER (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| COOLER SCOOTER LIMITED | Private company limited by shares | Live |
| COOLER STUFF CO., LIMITED | Private company limited by shares | Live |
| COOLER TRADING COMPANY LIMITED | Private company limited by shares | Live |
| WELL COOLER LIMITED | Private company limited by shares | Live |
| COOLERACC LIMITED | | Live |
| A A COOLER-MORE LIMITED | Private company limited by shares | Dissolved |
| COOLERO LIMITED | | Live |
| Cooles Trading Technology Co., Limited | Private company limited by shares | Live |
| SPECIAL COOLEST LIMITED | Private company limited by shares | Live |
| COOLESTORE LIMITED | Private company limited by shares | Live |
| Coolface Science and Technology Company Limited | Private company limited by shares | Live |
| COOLFEE HONG KONG LIMITED | Private company limited by shares | Live |
| Cool-fingers Technology Co., Limited | Private company limited by shares | Live |
| HK COOLFLOW GROUP COMPANY LIMITED | Private company limited by shares | Live |
| SHENZHEN COOLFRESH FRUITS & VEGETABLES CO., LIMITED | Private company limited by shares | Dissolved |
| Coolfriend Trading Co., Limited | Private company limited by shares | Dissolved |
| COOLFULL (ASIA) LIMITED | Private company limited by shares | Live |
| COOLFUN INTERACTIVE CREATIVE DESIGN CO., LIMITED | Private company limited by shares | Live |
| CoolGame (Hong Kong) Limited | Private company limited by shares | Dissolved |
| COOLGAME TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| COOLGARDIE LIMITED | Private company limited by shares | Dissolved |
| COOLGIRLZ LIMITED | Private company limited by shares | Live |
| Shenzhen Coolgle Pet Products Co., Limited | Private company limited by shares | Live |
| COOLGO SHOES LIMITED | Private company limited by shares | Live |
| COOLGRANITE LIMITED | Private company limited by shares | Live |
| COOLGUY LIMITED | Private company limited by shares | Live |
| COOLHANDS LIMITED | Private company limited by shares | Live |
| CoolHost Limited | Private company limited by shares | Live |
| Coolhurst Limited | Private company limited by shares | Dissolved |
| COOL-IDEA LIMITED | Private company limited by shares | Dissolved |
| COOLIDGE LIMITED | Private company limited by shares | Dissolved |
| COOLIE LIMITED | | Live |
| Coolie Trading Company Limited | Private company limited by shares | Live |
| COOLIEA TECH GLOBAL COMPANY LIMITED | Private company limited by shares | Live |
| COOLIFE TRAVELLING ARTICLES (HONG KONG) LIMITED | Private company limited by shares | Live |
| COOLIFE INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| COOLIFE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Coolight Limited | Private company limited by shares | Live |
| Coolight Group Limited | Private company limited by shares | Live |
| COOLIGHT PRODUCTIONS LIMITED | Private company limited by shares | Live |
| Coolin Holdings (Switzerland) Limited | Private company limited by shares | Live |
| COOLINDA LIMITED | Private company limited by shares | Dissolved |
| COOLINE CO., LIMITED | Private company limited by shares | Live |
| HONG KONG COOLINE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| I D COOLING LIMITED | Private company limited by shares | Live |
| PA COOLING LIMITED | Private company limited by shares | Live |
| GW COOLING LIMITED | | Live |
| ANHUI COOLING ELECTRIC LIMITED | | Live |
| SHENZHEN I-ICE POWER COOLING APPARATUS LIMITED | Private company limited by shares | Dissolved |
| Aurae Cooling Technologies Limited | Private company limited by shares | Live |
| AUS COOLING CO., LIMITED | Private company limited by shares | Live |
| COOLING ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| NINGBO EVERTEC AIR COOLING CO., LIMITED | Private company limited by shares | Live |
| MIC COOLING SOLUTION CO., LIMITED | Private company limited by shares | Live |
| COLDMAX COOLING LIMITED | Private company limited by shares | Live |
| Far East Cooling Technologies Limited | Private company limited by shares | Live |
| COOLING ENGINEERING LIMITED | Private company limited by shares | Live |
| COOLING EXPERTS LIMITED | Private company limited by shares | Live |
| COOLING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| INDUSTRIAL COOLING AND ENGINEERING LIMITED | Private company limited by shares | Live |
| Value Cooling Industrial (Hong Kong) Limited | Private company limited by shares | Live |
| HORIZON COOLING INDUSTRIAL LIMITED | | Live |
| PAN ASIA INDUSTRIAL COOLING SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| JCC COOLING INDUSTRY LIMITED | Private company limited by shares | Live |
| EMF Cooling Systems Hong Kong Limited | Private company limited by shares | Live |
| Lemtech Cooling System Limited | Private company limited by shares | Live |
| SunE Cooling Management Limited | Private company limited by shares | Live |
| G.J SENERGY COOLING SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| Automative Cooling Solutions Limited | Private company limited by shares | Live |
| Supraflux Cooling Technology Company Limited | Private company limited by shares | Dissolved |
| AHT Cooling Systems Asia Limited | Private company limited by shares | Live |
| Friend Cooling Technologies Limited | Private company limited by shares | Live |
| ST COOLING SPRAY TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Live |
| AIR & LIQUID COOLING TECHNOLOGY LIMITED | | Live |
| UNITED COOLING TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| COOLINGSTAR CO., LIMITED | Private company limited by shares | Dissolved |
| COOLINK LIMITED | Private company limited by shares | Dissolved |
| COOLINK LIMITED | Private company limited by shares | Live |
| COOLIO LIMITED | Private company limited by shares | Live |
| COOLITE COMPANY LIMITED | Private company limited by shares | Live |
| COOLIVING.COM LIMITED | Private company limited by shares | Dissolved |
| COOLJAG INTERNATIONAL LIMITED | Private company limited by shares | Live |
| COOLJIANG GROUP LIMITED | Private company limited by shares | Live |
| COOLJIANG CATERING (HK) LIMITED | Private company limited by shares | Live |
| CoolJobz Digital Limited | Private company limited by shares | Live |