| SINO-PIFF INTERNATIONAL FREIGHT LIMITED | Private company limited by shares | Live |
| SIMPLE SYMBOL (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINGTAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOBRIDGE LIMITED | Private company limited by shares | Dissolved |
| FNT SILKMILL LIMITED | Private company limited by shares | Dissolved |
| GUM SING SHOES FACTORY LIMITED | Private company limited by shares | Live |
| SILVERTHORN LIMITED | Private company limited by shares | Dissolved |
| SIROCCO LIMITED | Private company limited by shares | Dissolved |
| TUNG TAU ESTATE YU LAN SING ASSOCIATION LIMITED | Company limited by guarantee | Live |
| SILVER CHASE LIMITED | Private company limited by shares | Dissolved |
| SINOWEST TRADING LIMITED | Private company limited by shares | Live |
| AIR SUPPLY SILK-SCREEN PRINTING LIMITED | Private company limited by shares | Live |
| SILVEROLE LIMITED | Private company limited by shares | Dissolved |
| SILVER VICTORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| KUE SING LIMITED | Private company limited by shares | Dissolved |
| SINOWIDE INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SINOWIDE DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| SINGFORD COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO ENGINEERING RESOURCES LIMITED | Private company limited by shares | Dissolved |
| SPEED SING LIMITED | Private company limited by shares | Dissolved |
| SING TAO TOURS LIMITED | Private company limited by shares | Dissolved |
| SINO WEALTH COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOLIGHT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SIBMAS LIMITED | Private company limited by shares | Dissolved |
| JET SIGNAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| CLOUD SIGNAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| YIU SING KNITTING FACTORY LIMITED | Private company limited by shares | Dissolved |
| POWER SIGNAL COMPANY LIMITED | Private company limited by shares | Live |
| SIMONIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIE-LOOK LIMITED | Private company limited by shares | Dissolved |
| SILVER CHAMPION LIMITED | Private company limited by shares | Live |
| MONGKOK CHIU KIU YU LAN SING WUI COMPANY LIMITED | Company limited by guarantee | Live |
| FUNG SING COMPANY LIMITED | Private company limited by shares | Live |
| CHINA SIGNAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOOD SIGNAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| YOUNG SIGNAL COMPANY LIMITED | Private company limited by shares | Live |
| DAI SING COMPANY OF HONG KONG LIMITED | Private company limited by shares | Dissolved |
| VITAL SING INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINOSOUTH ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CHOK SING COMPANY LIMITED | Private company limited by shares | Live |
| SILVER THREAD LIMITED | Private company limited by shares | Dissolved |
| KAM SING FOUNDRY LIMITED | Private company limited by shares | Dissolved |
| HUNT SING TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOTURN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHAP SING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO-EUROPEAN ENGINEERING LIMITED | Private company limited by shares | Live |
| TAI SING HONG COMPANY LIMITED | Private company limited by shares | Live |
| SINOROUTES LIMITED | Private company limited by shares | Dissolved |
| SINOCO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SING FAT TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SILVERBAY MARKETING LIMITED | Private company limited by shares | Dissolved |
| SINGOKUR LIMITED | Private company limited by shares | Dissolved |
| SIYUNG COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING SING ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAU HING SING LEE COMPANY LIMITED | Private company limited by shares | Live |
| SINO WEALTH INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINCERE WIN ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINOTRACT LIMITED | Private company limited by shares | Dissolved |
| DRAGON SIGN LIMITED | Private company limited by shares | Dissolved |
| WING SING ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| SIRENE FASHIONS LIMITED | Private company limited by shares | Dissolved |
| SILWOLL TRADING LIMITED | Private company limited by shares | Dissolved |
| SIBSON FITZPATRICK, LIMITED | Private company limited by shares | Dissolved |
| SIMPLE DELIGHT ENTERPRISES LIMITED | Private company limited by shares | Live |
| MARK SIGNAL LIMITED | Private company limited by shares | Dissolved |
| SILKYLAND COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO CAPITAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SILVER INLET LIMITED | Private company limited by shares | Dissolved |
| SINO TREASURE LIMITED | Private company limited by shares | Dissolved |
| SINO GLORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-RISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO WAH MING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SIM-TECH MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SILVER SERVER LIMITED | Private company limited by shares | Dissolved |
| SIPINAS SUPPLY LIMITED | Private company limited by shares | Dissolved |
| SILVER ROD LIMITED | Private company limited by shares | Dissolved |
| SINO HERO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SIERRA HOUSE LIMITED | Private company limited by shares | Dissolved |
| SIERRA JOY LIMITED | Private company limited by shares | Live |
| SIERRA MINES LIMITED | Private company limited by shares | Dissolved |
| PO SING AGENCIES LIMITED | Private company limited by shares | Dissolved |
| SIMPLE MOTOR (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| SILVER KEY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINVEST COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOPEARL LIMITED | Private company limited by shares | Dissolved |
| SINOPORTS LIMITED | Private company limited by shares | Dissolved |
| NICE SILVER LIMITED | Private company limited by shares | Dissolved |
| D SIGNAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SING TAI LOONG LIMITED | Private company limited by shares | Dissolved |
| SINOSTAR LIMITED | Private company limited by shares | Live |
| SINO TREASURE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO GROWTH INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO STRONG INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SIKKIM LIMITED | Private company limited by shares | Dissolved |
| SINOSHIP LIMITED | Private company limited by shares | Dissolved |
| SILVERHOLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| ALEXANDER (SING KEE) CO. LIMITED | Private company limited by shares | Dissolved |
| NICE SINO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SITE BUILD LIMITED | Private company limited by shares | Dissolved |
| SILICONE GRAZE LIMITED | Private company limited by shares | Dissolved |