| SUN TAK ROCKS LIMITED | Private company limited by shares | Dissolved |
| ROCKS G & B LIMITED | Private company limited by shares | Live |
| ROCKS COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKS LIMITED | Private company limited by shares | Live |
| RAW ROCKS LIMITED | Private company limited by shares | Live |
| ON THE ROCKS LIMITED | Private company limited by shares | Live |
| ROCKSAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ROCKSAN PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| ROCKSBERG COMPANY LIMITED | Private company limited by shares | Live |
| ROCKSBERG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PA Rockscapes Limited | Private company limited by shares | Live |
| EVEREST ROCKSCAPES LIMITED | Private company limited by shares | Live |
| ROCKSCENE LIMITED | Private company limited by shares | Dissolved |
| ROCKSCHOOL HK LIMITED | Private company limited by shares | Live |
| ROCKSEN LIMITED | Private company limited by shares | Live |
| ROCKSEN INVESTMENTS LIMITED | Private company limited by shares | Live |
| RS Rock-Service China Limited | Private company limited by shares | Live |
| Rockset Group Limited | Private company limited by shares | Live |
| Rocksettle Limited | | Live |
| ROCKSHINE LIMITED | Private company limited by shares | Dissolved |
| ROCKSHING LIMITED | Private company limited by shares | Dissolved |
| Rockship Technology Co., Limited | Private company limited by shares | Live |
| ROCKSHOOTERS LIMITED | Private company limited by shares | Live |
| ROCKSLEY LIMITED | Private company limited by shares | Dissolved |
| ROCKSLICK DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| ROCKSLINK COMPANY LIMITED | Private company limited by shares | Dissolved |
| RockSolid Construction Limited | Private company limited by shares | Dissolved |
| Rock-Solid Engineering Construction Company Limited | Private company limited by shares | Live |
| Rocksolid Global Limited | Private company limited by shares | Live |
| Hong Kong Rocksolid Pty Limited | Private company limited by shares | Live |
| ROCKSOLID SHIPPING COMPANY LIMITED | Private company limited by shares | Live |
| ROCKSOLID TRADING LIMITED | Private company limited by shares | Live |
| Rocksolutions Limited | Private company limited by shares | Live |
| ROCKSON LIMITED | Private company limited by shares | Dissolved |
| ROCKSON LIMITED | Private company limited by shares | Dissolved |
| ROCKSON LIMITED | Private company limited by shares | Live |
| ROCKSON (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKSON ENTERPRISE LIMITED | Private company limited by shares | Live |
| ROCKSON INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| ROCKSON INVESTMENT LIMITED | Private company limited by shares | Live |
| ROCKSON PIANO (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| ROCKSON ORGAN COMPANY LIMITED | Private company limited by shares | Live |
| ROCKSON PIANO COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKSON PIANO COMPANY (YUEN LONG) LIMITED | Private company limited by shares | Dissolved |
| ROCKSON PIANO (MONGKOK) LIMITED | Private company limited by shares | Dissolved |
| ROCKSON PIANO (WANCHAI) LIMITED | Private company limited by shares | Dissolved |
| ROCKSON PIANO (WESTERN) LIMITED | Private company limited by shares | Dissolved |
| ROCKSON PIANO (MA ON SHAN) LIMITED | Private company limited by shares | Dissolved |
| ROCKSON TRADING LIMITED | Private company limited by shares | Dissolved |
| ROCKSOUND LIMITED | Private company limited by shares | Live |
| ROCKSOUND INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| ROCKSOURCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKSPINE TRADING LIMITED | Private company limited by shares | Dissolved |
| ROCKSPOT INVESTMENT LIMITED | Private company limited by shares | Live |
| Rocksta Recruit Co., Limited | Private company limited by shares | Dissolved |
| ROCKSTAR LIMITED | Private company limited by shares | Dissolved |
| ROCKSTAR INC LIMITED | Private company limited by shares | Live |
| Rockstar Oil Limited | Private company limited by shares | Live |
| ROCKSTART INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ROCKSTARZ LIMITED | Private company limited by shares | Dissolved |
| Rockstead Investments Limited | Private company limited by shares | Live |
| Rockstoc Limited | | Live |
| ROCKSTOCK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ROCKSTONE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ROCKSTONE COMPANY LIMITED | Private company limited by shares | Live |
| QINGDAO ROCKSTONE TYRE CO., LIMITED | Private company limited by shares | Dissolved |
| Rockstone Resources Group Limited | Private company limited by shares | Dissolved |
| ROCKSTONE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ROCKSTONE MARBLE TRADING (ENG) LIMITED | Private company limited by shares | Live |
| ROCKSTRONG LIMITED | Private company limited by shares | Live |
| ROCKSUN LIMITED | Private company limited by shares | Dissolved |
| ROCKSUN DEVELOPMENT LIMITED | Private company limited by shares | Live |
| ROCKSUN ENTERPRISES LIMITED | Private company limited by shares | Live |
| ROCKSUN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Rocksun International Co., Limited | Private company limited by shares | Live |
| ROCKSWAY LIMITED | Private company limited by shares | Dissolved |
| RockSys Company Limited | Private company limited by shares | Live |