| Company Name | Type | Status |
|---|---|---|
| N. M. ROWAN LIMITED | Private company limited by shares | Dissolved |
| ROWAN LIMITED | Private company limited by shares | Dissolved |
| Rowan HK Limited | Private company limited by shares | Live |
| Rowan J Limited | Private company limited by shares | Live |
| ROWAN LIMITED | Private company limited by shares | Live |
| ROWAN SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROWAN STEAMSHIP COMPANY LIMITED | Private company limited by shares | Dissolved |