| CALT ASIA LIMITED | Private company limited by shares | Dissolved |
| CALTAMAX LIMITED | Private company limited by shares | Live |
| CALTAMAX ENTERPRISES LIMITED | Private company limited by shares | Live |
| CALTAMAX INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| CALTAMAX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| CALTAMAX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CALTAN LIMITED | Private company limited by shares | Dissolved |
| CALTE SHIPPING LIMITED | Private company limited by shares | Dissolved |
| CALTEC ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| CALTEC SHIPPING LIMITED | Private company limited by shares | Dissolved |
| CAL-TECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| Caltech Limited | Private company limited by shares | Live |
| CALTECH GROUP LIMITED | Private company limited by shares | Live |
| CALTECH INVESTMENTS LIMITED | Private company limited by shares | Live |
| CALTECHE PETROCHEMICAL (HK) LIMITED | Private company limited by shares | Live |
| CALTEE YOUNG LIMITED | Private company limited by shares | Live |
| BST CALTEK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| CALTEK INDUSTRIAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| CALTERAH INC. LIMITED | Private company limited by shares | Dissolved |
| CALTES GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| CALTES INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CALTEX LIMITED | Private company limited by shares | Dissolved |
| CALTEX LIMITED | | Live |
| CALTEX SOUTH CHINA INVESTMENTS LIMITED | Private company limited by shares | Live |
| CALTEX HANDBAGS (HK) CO., LIMITED | Private company limited by shares | Live |
| CALTEX FASHIONS LIMITED | Private company limited by shares | Dissolved |
| CALTEX INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| U.S.A. CALTEX PETROCHEMICAL SCIENCE AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| CALTEX SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| CALTEX SHIPPING LIMITED | Private company limited by shares | Dissolved |
| Caltex (Takahashi) Limited | Private company limited by shares | Live |
| CALTHORPE LIMITED | Private company limited by shares | Dissolved |
| CALTIME ELECTRONICS (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| CALTIME TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| CALTINGSI LIMITED | Private company limited by shares | Live |
| CALTIVEX LIMITED | Private company limited by shares | Live |
| CALTLEY LIMITED | Private company limited by shares | Dissolved |
| CALTON LIMITED | Private company limited by shares | Dissolved |
| CALTON (ASIA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| CALTON GOLD LIMITED | Private company limited by shares | Live |
| CALTON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CALTONEY COMPANY LIMITED | Private company limited by shares | Dissolved |
| CALTOR LIMITED | Private company limited by shares | Dissolved |
| CALTOR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CALTRA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CALTRON LIMITED | Private company limited by shares | Dissolved |
| CALTRON DEVICES LIMITED | Private company limited by shares | Live |
| CALTRON INVESTMENTS LIMITED | Private company limited by shares | Live |
| CALTRONIC CAMERA & AUDIO COMPANY LIMITED | Private company limited by shares | Dissolved |
| CALTRONIX LIMITED | Private company limited by shares | Dissolved |