| SINO MIRACLE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO HONG KONG INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO-EUROPEAN EXCHANGE KEY LIMITED | Private company limited by shares | Dissolved |
| SILVER ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINO FINE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SIKURU ASIA CO., LIMITED | Private company limited by shares | Live |
| ROYAL SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GOLD SINO LIMITED | Private company limited by shares | Live |
| SINOREX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| MULTI SINO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WAH SING TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO STRONG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SIBOL CHINA LIMITED | Private company limited by shares | Live |
| SINO SUPER LIMITED | Private company limited by shares | Dissolved |
| SINANOVA LIMITED | Private company limited by shares | Live |
| SINO BRIGHT (H.K.) ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINORECO RESOURCES LIMITED | Private company limited by shares | Live |
| SINORECO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINTIA LIMITED | Private company limited by shares | Dissolved |
| SIMPLE RISE LIMITED | Private company limited by shares | Dissolved |
| SINO REGENT TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINGEEN PRECISE MANUFACTURE (HONG KONG) LIMITED | Private company limited by shares | Live |
| SILVERWAY TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO WORLD FAR EAST LIMITED | Private company limited by shares | Dissolved |
| SINKO FAR EAST LIMITED | Private company limited by shares | Live |
| GREAT SINO ASIA PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SING SING COMPANY LIMITED | Private company limited by shares | Live |
| SILVER ACT LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINOHEALTH BIO-SCI GROUP LIMITED | Private company limited by shares | Dissolved |
| PETER SILLING & ASSOCIATES HOTEL INTERIOR DESIGN LIMITED | Private company limited by shares | Live |
| SINO RAYS LIMITED | Private company limited by shares | Dissolved |
| SINO MARK LIMITED | Private company limited by shares | Live |
| SILVER TOP LIMITED | Private company limited by shares | Live |
| H.K ZHOU ELDEST SISTER INT'L FOOD GROUP CO., LIMITED | Private company limited by shares | Dissolved |
| SINO CREATION LIMITED | Private company limited by shares | Live |
| SINDO GLOBAL LIMITED | Private company limited by shares | Dissolved |
| RICH SINO INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| SILVER BIRD LIMITED | Private company limited by shares | Dissolved |
| SILVER RANK LIMITED | Private company limited by shares | Dissolved |
| SINOWICK LIMITED | Private company limited by shares | Dissolved |
| SINOUSA (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO TOP LIMITED | Private company limited by shares | Live |
| SITRA LIMITED | Private company limited by shares | Live |
| SINO GROUP (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINOTRUCK LIMITED | Private company limited by shares | Dissolved |
| SIDA (H. K.) LIMITED | Private company limited by shares | Dissolved |
| SIGNCOMPLEX LIMITED | Private company limited by shares | Dissolved |
| SINO TRULY TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| NEW CENTURY SINCERE LIMITED | Private company limited by shares | Live |
| HONG KONG SING TIN INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SAN SING LONG LIMITED | Private company limited by shares | Dissolved |
| NEW CENTURY SILICON INDUSTRIES (H.K.) CO., LIMITED | Private company limited by shares | Dissolved |
| SIGNAL CAPITAL GROUP, LIMITED | Private company limited by shares | Dissolved |
| SINCERE INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| SILVER HILL LIMITED | Private company limited by shares | Live |
| SILKROAD INTERNATIONAL (CHINA) LIMITED | Private company limited by shares | Live |
| SING WAI INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO GLOBAL HOLDING GROUP LIMITED | Private company limited by shares | Dissolved |
| SINTEK INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| SINO REALTY LIMITED | Private company limited by shares | Live |
| SINO RAY PROPERTIES LIMITED | Private company limited by shares | Live |
| SINO STAR ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINOIDEAS LIMITED | Private company limited by shares | Live |
| SINOSOL PROJECTS ASIA LIMITED | Private company limited by shares | Dissolved |
| SIMPLE CONCEPTS LIMITED | Private company limited by shares | Live |
| SINKO (HONG KONG) INVESTMENT LIMITED | Private company limited by shares | Live |
| CHONG SING TRADING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SIEMENS APPLIANCES GROUP (CHINA) LIMITED | Private company limited by shares | Dissolved |
| H.K SIEMENS ILLUMINATION GROUP LIMITED | Private company limited by shares | Dissolved |
| SINGLORY CO., LIMITED | Private company limited by shares | Dissolved |
| SIMON TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SINOGATE SOURCING LIMITED | Private company limited by shares | Live |
| SINO TALENT INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO TALENT HONG KONG LIMITED | Private company limited by shares | Dissolved |
| GREECE SIKELAN FERTILIZERS LIMITED | Private company limited by shares | Dissolved |
| SINO CROWN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO FOREST INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO FOREST INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO SKY TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO BRITISH TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| EASTERN SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOGAIN (H.K.) LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| SINO FORM (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SINO FUTURE (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO EXPORTS (H.K) LIMITED | Private company limited by shares | Live |
| SISI GAIN LIMITED | Private company limited by shares | Dissolved |
| SHINING SILVER LIMITED | Private company limited by shares | Live |
| SINO CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SILVERSAGE (HK) LIMITED | Private company limited by shares | Live |
| SINO ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO OPTOELECTRONICS TECHNOLOGY CORP. LIMITED | Private company limited by shares | Dissolved |
| EURO SINOLINK GROUP LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINO GLORY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO-MODA FASHIONS COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG SINIDA INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SINO H.K. TRADING LIMITED | Private company limited by shares | Dissolved |
| YING SING NETWORK LIMITED | Private company limited by shares | Live |
| SINCERE OCEAN INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HONEST SIGHT LIMITED | Private company limited by shares | Live |