| MANSEN AND COMPANY, LIMITED | Private company limited by shares | Dissolved |
| MANSEN LIMITED | Private company limited by shares | Dissolved |
| MANSEN COMPANY LIMITED | Private company limited by shares | Live |
| MANSEN DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| MANSEN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| MANSEN (HONG KONG) LIMITED | Private company limited by shares | Live |
| HONGKONG MANSEN TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| Hongkong Mansen Trading Co., Limited | Private company limited by shares | Live |
| MANSEN INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| MANSEN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| mansen international Limited | | Live |
| MANSEN INTERNATIONAL HOLDING HK LIMITED | Private company limited by shares | Live |
| H.K MANSEN INT'L LIGHTING GROUP LIMITED | Private company limited by shares | Dissolved |
| MANSEN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MANSENFAI LIMITED | | Live |