| INSERCO (H.K.) LIMITED | Private company limited by shares | Dissolved |
| INSERD MEDIA LIMITED | Private company limited by shares | Live |
| INSERD MEDIA LIMITED | Private company limited by shares | Live |
| INSERTIONS LIMITED | Private company limited by shares | Dissolved |
| INSERV LIMITED | Private company limited by shares | Dissolved |
| InServ Solutions Limited | Private company limited by shares | Live |
| IN-SERVE COMPANY LIMITED | Private company limited by shares | Dissolved |
| IN-SERVICES ASIA LIMITED | Private company limited by shares | Live |
| INSERVIS COMPANY LIMITED | Private company limited by shares | Dissolved |