| PLEXUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| PLEXUS LIMITED | Private company limited by shares | Live |
| PLEXUS ASSURANCE PTE LIMITED | Private company limited by shares | Dissolved |
| PLEXUS ELECTRONICS LIMITED | Private company limited by shares | Live |
| PLEXUS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PLEXUS (HONGKONG) LIMITED | Private company limited by shares | Live |
| PLEXUS INC., LIMITED | Private company limited by shares | Live |
| PLEXUS INTERNATIONAL PTE LIMITED | Private company limited by shares | Live |
| Plexus Investigative Solutions Limited | Private company limited by shares | Live |
| PLEXUS MEDICAL TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK PLEXUS TECHNOLOGY LIMITED | Private company limited by shares | Live |