| C.I.I. Events Limited | Private company limited by shares | Live |
| CII-ASIA LIMITED | Private company limited by shares | Live |
| CIIC LIMITED | Private company limited by shares | Dissolved |
| CIIC-SEAPOWER INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| CSC CIIF HK Management Limited | Private company limited by shares | Live |
| CIIMO SPORTSWEAR CO., LIMITED | Private company limited by shares | Live |
| CIIRCO (HK) COMPANY LIMITED | Private company limited by shares | Live |
| CIIRE Limited | Private company limited by shares | Live |
| CIIS. LIMITED | Private company limited by shares | Live |
| CII-SERVICE LIMITED | Private company limited by shares | Live |
| CIISIC LIMITED | Private company limited by shares | Dissolved |
| CIIT CO., LIMITED | Private company limited by shares | Live |
| HK CIIT CO., LIMITED | Private company limited by shares | Live |
| CIITI INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Hong Kong Ciiveen Apparel Co., Limited | Private company limited by shares | Dissolved |
| CIIYEE TECHNOLOGY COMPANY LIMITED | | Live |
| Ciiyoo Trade Limited | Private company limited by shares | Live |
| Ciizurn Limited | Private company limited by shares | Live |