| LONGSON LIMITED | Private company limited by shares | Dissolved |
| LONGSON ASIA LIMITED | Private company limited by shares | Dissolved |
| Longson Bioscience Limited | Private company limited by shares | Live |
| LONGSON CONSULTANTS LIMITED | | Live |
| LONGSON CREATION COMPANY LIMITED | Private company limited by shares | Live |
| LONGSON TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| LONGSON ELECTRONIC CO., LIMITED | Private company limited by shares | Live |
| LONGSON ELECTRONIC GROUP LIMITED | Private company limited by shares | Live |
| LONGSON (H.K.) ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| LONGSON ENGINEERING LIMITED | | Live |
| LONGSON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LONGSON ENTERPRISES LIMITED | Private company limited by shares | Live |
| LONGSON GLOBAL COMPANY LIMITED | Private company limited by shares | Live |
| LONGSON (HK) LIMITED | Private company limited by shares | Dissolved |
| LONGSON (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Longson (Hong Kong) Limited | Private company limited by shares | Live |
| LONGSON INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| LONGSON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| LONGSON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| LONGSON INVESTMENT COMPANY, LIMITED | Private company limited by shares | Live |
| LONGSON TECHNOLOGY LIMITED | Private company limited by shares | Live |
| LONGSON TRADE LIMITED | Private company limited by shares | Live |
| LONGSON TRADING LIMITED | Private company limited by shares | Live |
| LONGSON TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| WELL LONGSON HOLDING LIMITED | Private company limited by shares | Live |
| Yiwu Longson Import & Export Co., Limited | Private company limited by shares | Live |
| LONGSONG RESOURCES LIMITED | Private company limited by shares | Dissolved |
| LONGSONG RESOURCES LIMITED | Private company limited by shares | Live |