| AICH LIMITED | Private company limited by shares | Live |
| AICH TECHNOLOGY LIMITED | Private company limited by shares | Live |
| AICHA HOLDING LIMITED | Private company limited by shares | Live |
| AICHA INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| AI-CHAIN LIMITED | Private company limited by shares | Live |
| AIChain HK Limited | Private company limited by shares | Live |
| AI-CHAIN (BO NGAI) LIMITED | Private company limited by shares | Dissolved |
| AICHEF ELECTRIC APPLIANCE CO., LIMITED | Private company limited by shares | Live |
| HK AICHEN LIMITED | Private company limited by shares | Dissolved |
| Aichen Trade Co., Limited | Private company limited by shares | Live |
| HONG KONG AICHEN TECHNOLOGY DEVELOPMENT CO., LIMITED | Private company limited by shares | Live |
| AICHEN (HK) LIMITED | Private company limited by shares | Live |
| HONG KONG AICHEN INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| AICHEN ELECTRIC APPLIANCE IMPORT AND EXPORT LIMITED | Private company limited by shares | Dissolved |
| INTERNATIONAL BEST AICHEN LIMITED | Private company limited by shares | Live |
| AICHEN INJECTION MACHINE AND MOULD LIMITED | Private company limited by shares | Live |
| Dongguan Aicheng Toys Co., Limited | Private company limited by shares | Live |
| AICHENGXIN TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| AICHI COMPANY LIMITED | Private company limited by shares | Dissolved |
| Aichi Berlucci Limited | Private company limited by shares | Dissolved |
| AICHI ELECTRONICS (HK) LIMITED | Private company limited by shares | Dissolved |
| NAGANO AICHI ELECTRIC (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| AICHI INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| AiChi Trading Limited | Private company limited by shares | Live |
| AICHINA LIMITED | Company limited by guarantee | Dissolved |
| AiChip IC Investment Co., Limited | | Live |
| AICHI'S INTERNATIONAL (HK) FASHION CO., LIMITED | Private company limited by shares | Live |
| HONG KONG AICHONG INT'L CO., LIMITED | Private company limited by shares | Live |
| Aichuanbo Int'l Business Investment Limited | Private company limited by shares | Live |
| HK AICHUANG CO., LIMITED | Private company limited by shares | Live |
| AICHUANG CO., LIMITED | Private company limited by shares | Live |
| AICHUANG TRADING LIMITED | Private company limited by shares | Live |
| Aichuangyi Tomato Multivariate Art Education Limited | Private company limited by shares | Live |
| AICHUN HSING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |