| STRATUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| STRATUS LIMITED | Private company limited by shares | Live |
| Stratus Limited | | Live |
| STRATUS COMPUTER (H.K.) LIMITED | Private company limited by shares | Dissolved |
| STRATUS HONG KONG LIMITED | Private company limited by shares | Live |
| Stratus International Limited | Private company limited by shares | Live |
| STRATUS LAYER LIMITED | Private company limited by shares | Live |
| Stratus Results, Limited | Private company limited by shares | Dissolved |
| STRATUS STAINLESS LIMITED | Private company limited by shares | Live |
| STRATUS TECHNOLOGIES (HONG KONG) LIMITED | Private company limited by shares | Live |
| StratusRed Limited | Private company limited by shares | Live |