| Company Name | Type | Status |
|---|---|---|
| ROCKO CO. LIMITED | Private company limited by shares | Dissolved |
| ROCKO LIMITED | Private company limited by shares | Dissolved |
| ROCKO POWER COMPANY LIMITED | Live | |
| Rockodiam Limited | Private company limited by shares | Live |
| ROCKON COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCK-ONE LIMITED | Private company limited by shares | Dissolved |
| ROCKOO TRADING LIMITED | Private company limited by shares | Live |