| SINOTRON LIMITED | Private company limited by shares | Live |
| SINO SMART SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINO SPARKLE LIMITED | Private company limited by shares | Live |
| SINCERE BEAUTY LIMITED | Private company limited by shares | Dissolved |
| ITALY SINMAR LINOUR GROUP (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINOLENS OPTIC LIMITED | Private company limited by shares | Live |
| H.K. YEAR SITON GARMENT INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| SINKO INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO DATA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINONEWS NETWORK LIMITED | Private company limited by shares | Live |
| SINCERE WELL ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO DANISH ALLIED LIMITED | Private company limited by shares | Dissolved |
| SINO LOGIC LIMITED | Private company limited by shares | Live |
| GLOBAL SINO LIMITED | Private company limited by shares | Live |
| SINO-AMADA COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO FORTUNE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO BRIGHT INTERNATIONAL MEDICAL LIMITED | Private company limited by shares | Live |
| SIKO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO EXCEL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINOWAY PROPERTIES LIMITED | Private company limited by shares | Live |
| MULTI SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOTRON PACIFIC LIMITED | Private company limited by shares | Dissolved |
| SINO FORUM LIMITED | Private company limited by shares | Dissolved |
| ART SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINORICH ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO BRITISH TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO STAR CONSULTANTS LIMITED | Private company limited by shares | Live |
| ARKO SILICON LIMITED | Private company limited by shares | Dissolved |
| KWUN SING ENTERPRISES LIMITED | Private company limited by shares | Live |
| SILVER DRAGON METALS COMPANY LIMITED | Private company limited by shares | Live |
| SINO SINCERE LIMITED | Private company limited by shares | Live |
| SING LAW LAN GROUP LIMITED | Private company limited by shares | Dissolved |
| SinoMedia Holding Limited | Public company limited by shares | Live |
| SIENNA INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Live |
| WELL SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINOTECH LIMITED | Private company limited by shares | Live |
| SINO INVESTMENT ENTERPRISE LIMITED | Private company limited by shares | Live |
| NORDIC SINO INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| SINO CAPITAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO GLORY INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO OCEAN LINE SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINCERE BULLION LIMITED | Private company limited by shares | Live |
| SINOSERVICES COMPANY LIMITED | Private company limited by shares | Live |
| SINO ALLIED (CHINA) LIMITED | Private company limited by shares | Live |
| SINO ALLIED CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO JOY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINOWAY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SUN SING GEOTECHNICAL ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOLINK INCORPORATION LIMITED | Private company limited by shares | Live |
| SINOWIDE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO TRANSPORTATION AND SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SIGMUND ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SING KONG ELECTRIC (INT'L) LIMITED | Private company limited by shares | Dissolved |
| SING TEC ELEVATOR LIMITED | Private company limited by shares | Live |
| SIMPLE TRADING & DISTRIBUTION INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WAI SING FLOORING & WOOD WORKING LIMITED | Private company limited by shares | Dissolved |
| SILVER PINE LIMITED | Private company limited by shares | Dissolved |
| SINO TALENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINOSTAR CREATION LIMITED | Private company limited by shares | Dissolved |
| SINGA LINK LIMITED | Private company limited by shares | Dissolved |
| SILICON ARTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| LINK SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TAK SING INSTRUMENT (H.K.) CO. LIMITED | Private company limited by shares | Dissolved |
| SIMPLE WISHES LIMITED | Private company limited by shares | Live |
| COMPUTEC SIGNALS LIMITED | Private company limited by shares | Live |
| SINO GATEWAY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO TRADE (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO YIELD INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO TRADE ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINOGATE LIMITED | Private company limited by shares | Dissolved |
| SILK CONCORD LIMITED | Private company limited by shares | Dissolved |
| SINO EXHIBITION SERVICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO ART INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINCERE FORTUNE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO LINKAGE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO ASIA ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| FORTUNE SINCERE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO FIRST TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SHIVA SIMRAN SAKTI LIMITED | Private company limited by shares | Dissolved |
| SILVERWAYS LIMITED | Private company limited by shares | Dissolved |
| THREE SISTERS MOSQUITO NETTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILICONE OIL LIMITED | Private company limited by shares | Dissolved |
| SINO ART (CHINA) LIMITED | Private company limited by shares | Dissolved |
| NEW SILVER SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINO-LINK TECHNOLOGY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| EVER SINCERE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SIGNAL HOLDING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO DRAGON TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| IMPRESSIVE SINO LIMITED | Private company limited by shares | Dissolved |
| SINO ENTREPRENEURS LIMITED | Private company limited by shares | Dissolved |
| SINO SUPREME MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINO TOUR LIMITED | Private company limited by shares | Dissolved |
| SINO PIONEER CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO SURPLUS CONSULTANTS LIMITED | Private company limited by shares | Live |
| U.S.A. SINROLAN GARMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| CAPITAL SIGN TRADING LIMITED | Private company limited by shares | Dissolved |
| SINOPOWER INTERNATIONAL INFORMATION CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| FAVOUR SINO LIMITED | Private company limited by shares | Dissolved |
| S.I.B.- Arterior (HK) Company Limited | Private company limited by shares | Live |