| SULPHIDE PRODUCTIONS (HK) LIMITED | Private company limited by shares | Dissolved |
| NEW CENTURY SULPHUR LIMITED | Private company limited by shares | Live |
| PAN PACIFIC SULPHUR COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOFUNG SULPHUR TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SULPUS TRADING CO. LIMITED | Private company limited by shares | Live |
| Sulsulmart Limited | Private company limited by shares | Live |
| SULTANA COMPANY LIMITED | Private company limited by shares | Dissolved |
| SULTANA TRADE LIMITED | Private company limited by shares | Live |
| SULTANOGLU VF CO., LIMITED | Private company limited by shares | Dissolved |
| SULTIK LIMITED | Private company limited by shares | Live |
| OY SULTRADE LIMITED | Private company limited by shares | Dissolved |
| SULU SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| Sulu Express Lines Limited | Private company limited by shares | Live |
| SULTANATE OF SULU CORPORATION LIMITED | Private company limited by shares | Live |
| SULTANATE OF SULU AND NORTH BORNEO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI SULUCHI TYRE CO., LIMITED | Private company limited by shares | Live |
| SULUNG INDUSTRY LIMITED | Private company limited by shares | Live |
| SULUS-STAR LIMITED | Private company limited by shares | Dissolved |
| Suluxlight HK Co. Limited | Private company limited by shares | Live |
| SULWHASOO (KOREA) LIMITED | Private company limited by shares | Live |
| Sulyn Leatherware Limited | Private company limited by shares | Live |
| KARL SULZER LIMITED | Private company limited by shares | Dissolved |