| COLCANO COMMERCIAL CO., LIMITED | Private company limited by shares | Dissolved |
| Colchain Projects Limited | Private company limited by shares | Live |
| COLCHAN (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| COLCHESTER LIMITED | Private company limited by shares | Dissolved |
| Colchester Foods Company Limited | Private company limited by shares | Live |
| COLCHESTER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Colco Investment Holding Limited | Private company limited by shares | Live |
| COLCO MODEL (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| COLCO RC MODEL (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| COLCON Limited | Private company limited by shares | Live |
| COLCOR INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| COLCRED HK CO., LIMITED | Private company limited by shares | Live |