| INSAN LIMITED | Private company limited by shares | Dissolved |
| Insane D Co. Limited | Private company limited by shares | Live |
| INSANE COMPANY LIMITED | Private company limited by shares | Live |
| Insane Doc Limited | Private company limited by shares | Live |
| INSANE FAMILY LIMITED | | Live |
| INSANE CONCEPT GARAGE LIMITED | Private company limited by shares | Live |
| Insane Increase Limited | | Live |
| Insane Investment Limited | Private company limited by shares | Live |
| INSANE MOTOR COMPANY LIMITED | Private company limited by shares | Live |
| INSANE SECRET LIMITED | | Live |
| Insane Voize Production Limited | Private company limited by shares | Live |
| Insanesoul Limited | Private company limited by shares | Live |
| INSANIA SHIPPING HK LIMITED | | Live |
| INSANITY LIMITED | | Live |