| SINO SYSTEM TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO GOLDEN TRIANGLE PLASTIC PRODUCT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO SEA CORPORATION LIMITED | Private company limited by shares | Dissolved |
| MEGA SINO TRADING LIMITED | Private company limited by shares | Dissolved |
| Sino FFT Limited | Private company limited by shares | Live |
| SINO-NEFT ENERGY LIMITED | Private company limited by shares | Dissolved |
| SINO DUO LIMITED | Private company limited by shares | Live |
| SINO TOP DEVELOP LIMITED | Private company limited by shares | Dissolved |
| SINOTRANS (HONGKONG) INTERNATIONAL TRADE CO., LIMITED | Private company limited by shares | Live |
| SINO MILLION (H.K.) LIMITED | Private company limited by shares | Live |
| SINOPOWER TECHNOLOGY (HK) LIMITED | Private company limited by shares | Live |
| WAH SING SEAFOOD TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| H.K SIHE BLOWER LIMITED | Private company limited by shares | Dissolved |
| SINOPAK IMPORT & EXPORT CO., LIMITED | Private company limited by shares | Dissolved |
| SINO ASIA ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| SINAPSES ASIA LIMITED | Private company limited by shares | Live |
| SINO VEGETARIAN RESTAURANT LIMITED | Private company limited by shares | Live |
| SINOWIDE ENERGY LIMITED | Private company limited by shares | Live |
| SITCON LIMITED | Private company limited by shares | Dissolved |
| SINGFIELD LIMITED | Private company limited by shares | Live |
| WAI SING ASIA LIMITED | Private company limited by shares | Live |
| SINO GOLDEN SUNSHINE (GROUP) STOCK COMPANY LIMITED | Private company limited by shares | Live |
| GREAT SINO LIMITED | Private company limited by shares | Live |
| RED SIGN LIMITED | Private company limited by shares | Dissolved |
| SILVERITE HONG KONG LIMITED | Private company limited by shares | Live |
| SINO EAGLE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| DRAGON SINO INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO HARBOUR INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| USA SIMIKE TOOLS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| KWAN SING GROUP LIMITED | Private company limited by shares | Live |
| U.S.A. FEDERATION SIONYAER BIOLOGY TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SICHUAN INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINO WEALTH GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO PEARL HK COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAN HO INVESTMENT (SINO HONG KONG) LIMITED | Private company limited by shares | Live |
| SINOBOW LIMITED | Private company limited by shares | Dissolved |
| ATLANTIC SINO LIMITED | Private company limited by shares | Dissolved |
| SINO GLOBAL FURNITURE CO., LIMITED | Private company limited by shares | Dissolved |
| SINO-MOLD INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SINO SPORTS MANUFACTURING (CHINA) LIMITED | Private company limited by shares | Dissolved |
| SING DOWNUNDER LIMITED | Private company limited by shares | Dissolved |
| S.I. Infrastructure (Hu-Hang) Limited | Private company limited by shares | Live |
| SINO PACIFIC INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| AMERICA A.O. SIMS (INTERNATIONAL) ELECTRIC CO., LIMITED | Private company limited by shares | Dissolved |
| Sinofluoro Scientific Group Limited | Private company limited by shares | Dissolved |
| SINO-TRANSIT LIMITED | Private company limited by shares | Dissolved |
| SING LONG CORPORATION LIMITED | Private company limited by shares | Live |
| SINOLINKS ASIA LIMITED | Private company limited by shares | Dissolved |
| JUSHI GROUP (HK) SINOSIA ENTERPRISES (HOLDINGS) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-GERMAN MEDICAL REHABILITATION GROUP LIMITED | Private company limited by shares | Live |
| SIVEK TRADING LIMITED | Private company limited by shares | Live |
| SINO GLOBAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINTEX DEVELOP LIMITED | Private company limited by shares | Dissolved |
| SINO CAPITAL DEVELOP LIMITED | Private company limited by shares | Dissolved |
| SITUO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| FULL SINCERE LIMITED | Private company limited by shares | Dissolved |
| SIDAK INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Live |
| SINO POWER CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SING YIP POLYBAGS CO., LIMITED | Private company limited by shares | Live |
| SINO SMART (HONG KONG) LIMITED | Private company limited by shares | Live |
| SISTER2 LIMITED | Private company limited by shares | Live |
| MAN SING MOTOR PARTS LIMITED | Private company limited by shares | Live |
| SING KIT (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SINO LINK GLOBAL TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| CHERISH SINCERITY (ASIA) LIMITED | Private company limited by shares | Live |
| SINO WORLD CREATION LIMITED | Private company limited by shares | Live |
| SINO YIELD TRADING LIMITED | Private company limited by shares | Dissolved |
| EXCEL SINO (HK) LIMITED | Private company limited by shares | Live |
| SINOCOMTECH LIMITED | Private company limited by shares | Dissolved |
| SIAM PROPERTY LIMITED | Private company limited by shares | Live |
| SIGNPOST (HK) LIMITED | Private company limited by shares | Live |
| HONG KONG KA SING CIRCUIT BOARD LIMITED | Private company limited by shares | Dissolved |
| SIUMING CONSTRUCTION LIMITED | Private company limited by shares | Live |
| Sino Oil and Gas Company Limited | Private company limited by shares | Live |
| SINOFIRST GROUP LIMITED | Private company limited by shares | Live |
| Sino Oil and Energy Company Limited | Private company limited by shares | Live |
| SIMAG INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| NEO SITECH ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO PEAK INVESTMENT LIMITED | Private company limited by shares | Live |
| FUK SING (HK) INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SILKA FASHION LIMITED | Private company limited by shares | Live |
| SINO-INDONESIA INVESTMENT CONSULTANTS LIMITED | Private company limited by shares | Live |
| SINO EFFECT LIMITED | Private company limited by shares | Live |
| SILVER POWER ASIA LIMITED | Private company limited by shares | Live |
| WEALTHY SILVER LIMITED | Private company limited by shares | Live |
| SAG SIEGER LIMITED | Private company limited by shares | Dissolved |
| SINO-GLOBLE INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| FIRST SINCERE LIMITED | Private company limited by shares | Dissolved |
| HERO SINCERE LIMITED | Private company limited by shares | Live |
| MILLION SINO LIMITED | Private company limited by shares | Dissolved |
| SINO SPIDA INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| SINCERE FAME INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SINO INTERNATIONAL CREATION LIMITED | Private company limited by shares | Live |
| SILVERSEA CRUISES LIMITED | Private company limited by shares | Live |
| SINOHEELY INTERNATIONAL GROUP (HONGKONG) LIMITED | Private company limited by shares | Dissolved |
| SINOTRANS GUANGDONG I/E CO., LIMITED | Private company limited by shares | Live |
| SINO INVESTMENTS INDUSTRIAL (HK) GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO GLORY METAL RESOURCES COMPANY LIMITED | Private company limited by shares | Live |
| SINO HONG KONG TRANSPORTATION LIMITED | Private company limited by shares | Live |
| SICO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |