| SINO RIVER ENGINEERING LIMITED | Private company limited by shares | Live |
| FUK SING TRADING LIMITED | Private company limited by shares | Live |
| SING FAI PLASTIC MATERIAL CO., LIMITED | Private company limited by shares | Dissolved |
| SILKBOOK PUBLISHING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| WIN TAT SINO TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| SINOPOWER CORPORATION LIMITED | Private company limited by shares | Live |
| GREAT SINO CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| YAT SING MARINE PRODUCT LIMITED | Private company limited by shares | Dissolved |
| SINOEASE LIMITED | Private company limited by shares | Dissolved |
| SINOVIEW ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SIGNLOGIC COMPANY LIMITED | Private company limited by shares | Live |
| SOUTH SILVER LIMITED | Private company limited by shares | Live |
| SINOSTAR INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| Sino Bright International Trading Limited | Private company limited by shares | Live |
| SINO-ASIAN NETWORK LIMITED | Private company limited by shares | Dissolved |
| SINO TREASURE (HK) LIMITED | Private company limited by shares | Dissolved |
| SINCERE TALENT LIMITED | Private company limited by shares | Dissolved |
| SINO MARK LIMITED | Private company limited by shares | Dissolved |
| SINO EARN LIMITED | Private company limited by shares | Dissolved |
| SIGMASTER INTERACTIVE LIMITED | Private company limited by shares | Dissolved |
| SILVER PALACE RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| SIGNCO LIMITED | Private company limited by shares | Live |
| ORIENTAL SINO INTERNATIONAL INVESTMENTS (HOLDING) LIMITED | Private company limited by shares | Live |
| SING KWONG ELECTRICAL CO., LIMITED | Private company limited by shares | Live |
| SINOLINK INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| TOP SING LIMITED | Private company limited by shares | Dissolved |
| SINO-HIBERNIAN CENTURY COMPANY LIMITED | Private company limited by shares | Live |
| SINO BRIGHT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GLOBE SINO LIMITED | Private company limited by shares | Live |
| SINO REGION LIMITED | Private company limited by shares | Dissolved |
| SINOTRADE TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| SILICON VALLEY TECHNOLOGY (ASIA-PACIFIC) LIMITED | Private company limited by shares | Dissolved |
| SINO LINK INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SING YIP CONSTRUCTION ENGINEERING (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO GOLDEN LIMITED | Private company limited by shares | Dissolved |
| SINO CREATOR LIMITED | Private company limited by shares | Dissolved |
| SINO-HK INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO-GATE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO LEADER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SILICON ELECTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| SINO CONCORD TRADING LIMITED | Private company limited by shares | Live |
| SINO PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| SINDO (INTERNATIONAL) TRAVEL SERVICES LIMITED | Private company limited by shares | Dissolved |
| SIGATEC LIMITED | Private company limited by shares | Live |
| SINO PACIFIC FAR EAST COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO POWER SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SIMPLE MIND HOLDINGS LIMITED | Private company limited by shares | Live |
| SINO LEGEND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINCERE ENGINEERING & CONSULTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SICHUAN CUISINE DA PING HUO LIMITED | Private company limited by shares | Live |
| SINOAUS ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TIN SING DECOR. ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| SINOTALE GROUP LIMITED | Private company limited by shares | Dissolved |
| HK HING SING FURNITURE LIMITED | Private company limited by shares | Dissolved |
| SINOGOAL-EWEL LIMITED | Private company limited by shares | Dissolved |
| KIN SING ENGINEERING (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| THEATRE OF THE SILENCE LIMITED | Company limited by guarantee | Live |
| BUDDHIST OF TAI SING TEMPLE LIMITED | Company limited by guarantee | Live |
| HK SINOBRAND INT'L LIMITED | Private company limited by shares | Dissolved |
| SIMPLE (ASIA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILVER GOLD LIMITED | Private company limited by shares | Live |
| SINO CITY LIMITED | Private company limited by shares | Live |
| WIN SINO (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SICHUAN LIMITED | Private company limited by shares | Dissolved |
| SINO OCEAN RESOURCE LIMITED | Private company limited by shares | Live |
| EVER SINCERE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINOMI BATH (CHINA) LIMITED | Private company limited by shares | Live |
| SINO ELECTRICAL CONTRACTOR LIMITED | Private company limited by shares | Dissolved |
| SINO SKY ENTERPRISES LIMITED | Private company limited by shares | Live |
| HANG SING FINANCE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| MAN SING AUTO TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| ON TAT (SINO-HK) TRANSPORTATION LIMITED | Private company limited by shares | Live |
| YEE SING TAI (HK) AGRICULTURE LIMITED | Private company limited by shares | Dissolved |
| H & H SINO TECH GROUP LIMITED | Private company limited by shares | Live |
| SILVERWAY (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SIFONE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WO SING PROPERTY MANAGEMENT CO., LIMITED | Private company limited by shares | Live |
| BAO SING ENVIRONMENTAL TECHNOLOGY (HOLDING) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO EMPIRE GROUP LIMITED | Private company limited by shares | Dissolved |
| SIMPLIFED TELESYS LIMITED | Private company limited by shares | Dissolved |
| SINORIGHT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SINORIGHT (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO TREASURE TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO HARBOUR (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SIBIONO GENE THERAPY CO., LIMITED | Private company limited by shares | Dissolved |
| YAT SING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HOU SING TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOSPACE TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINO EVERBEST LIMITED | Private company limited by shares | Dissolved |
| SINOPLEX LIMITED | Private company limited by shares | Live |
| SINOSTAR UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SINO FAMOUS LIMITED | Private company limited by shares | Dissolved |
| SILKMATE MANUFACTURING CO., LIMITED | Private company limited by shares | Live |
| SISPC LIMITED | Private company limited by shares | Dissolved |
| CHUNG SING PAPER PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO LINKS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINGA SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SIGNAL SPREADER ENTERTAINMENT CO. LIMITED | Private company limited by shares | Dissolved |
| SINO WINNING LIMITED | Private company limited by shares | Live |
| SINO PLANNER LIMITED | Private company limited by shares | Live |