| CALLISTO LIMITED | Private company limited by shares | Live |
| Callisto Company Limited | | Live |
| Callisto Enterprises Limited | Private company limited by shares | Live |
| CALLISTO HOLDING LIMITED | Private company limited by shares | Live |
| Callisto Investment Company Limited | Private company limited by shares | Live |
| CALLISTO INVESTMENTS LIMITED | Private company limited by shares | Live |
| Jiuding Callisto Limited | Private company limited by shares | Live |
| CALLISTO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Callixto Limited | Private company limited by shares | Live |
| Callman Resource Company Limited | Private company limited by shares | Live |
| CALLMANDARIN LIMITED | Private company limited by shares | Dissolved |
| CALLMAX LIMITED | Private company limited by shares | Dissolved |
| CALLME LIMITED | Private company limited by shares | Live |
| CALLME ASIA LIMITED | Private company limited by shares | Dissolved |
| CALLNET LIMITED | Private company limited by shares | Dissolved |
| Callnex Asia Limited | Private company limited by shares | Dissolved |
| CALLONG TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Calloran Group Limited | Private company limited by shares | Dissolved |
| CALLOS INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| Callosum Foundation Limited | Private company limited by shares | Live |
| CALLOUT TELECOMMUNICATION LIMITED | Private company limited by shares | Dissolved |
| CALLOW COMPANY LIMITED | Private company limited by shares | Dissolved |
| CallProtector Limited | Private company limited by shares | Live |
| CALLRUN (HONG KONG) LIMITED | Private company limited by shares | Live |
| CALLS SCG LIMITED | Private company limited by shares | Dissolved |
| Nature Calls Limited | | Live |
| COMMODITY PUTS AND CALLS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| PUTS AND CALLS EXCHANGE LIMITED | Private company limited by shares | Dissolved |
| Callsell Holding Limited | Private company limited by shares | Live |
| CALLSPIRE TELECOM LIMITED | Private company limited by shares | Live |
| CALLSVU LIMITED | Private company limited by shares | Live |
| CALLTECH LIMITED | Private company limited by shares | Live |
| CALLTON LIGHTING CO., LIMITED | Private company limited by shares | Live |
| CALLTON INDUSTRY TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CALLTON METALWARE CO., LIMITED | Private company limited by shares | Live |
| CALLUM COMPANY LIMITED | Private company limited by shares | Live |
| MC CALLUM HK LIMITED | | Live |
| Charlize and Callum Limited | Private company limited by shares | Live |
| Callum Resources Limited | Private company limited by shares | Dissolved |
| CALLUMBERG LIMITED | Private company limited by shares | Dissolved |
| CalLuxesse (HK) Co., LIMITED | Private company limited by shares | Live |
| LOTTE CALLVAN COMPANY LIMITED | Private company limited by shares | Live |
| CallView Limited | Private company limited by shares | Live |
| Callway Inc Limited | Private company limited by shares | Live |
| NEW CALLWAY EXPRESS LIMITED | Private company limited by shares | Live |
| CALLWELL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| CALLWELL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CALLWIN SUPPLY CHAIN COMPANY LIMITED | | Live |
| CALLWIN ELECTRIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| Callworxx Limited | Private company limited by shares | Live |
| CALLY JEWELLERY LIMITED | Private company limited by shares | Live |
| Cally K Jewellery Limited | Private company limited by shares | Live |
| CALLYGARIS LIMITED | Private company limited by shares | Dissolved |
| Callyuumi Information Technology Co., Limited | Private company limited by shares | Live |