| STAROC CHEMICAL CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG STAROC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| STAROCEAN LIMITED | Private company limited by shares | Live |
| STAROCEAN MARINE COMPANY LIMITED | Private company limited by shares | Live |
| Super Starocean Company Limited | Private company limited by shares | Live |
| STAR-OCEAN TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| STAROCK LIMITED | Private company limited by shares | Dissolved |
| STAROCKA COMPANY LIMITED | Private company limited by shares | Dissolved |