| Sinocast Hong Kong Limited | Private company limited by shares | Dissolved |
| SINO-HK INVESTMENT HOLDING LIMITED | Private company limited by shares | Live |
| YUE SING METALWORKS CO., LIMITED | Private company limited by shares | Dissolved |
| SINOPETROL LIMITED | Private company limited by shares | Dissolved |
| SINOQUEEN CARE INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| SINO HERO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SIMPLE DAY ENTERPRISE LIMITED | Private company limited by shares | Live |
| SUN WO SING LIMITED | Private company limited by shares | Live |
| DongGuan WanSheng Silicone Products Co., Limited | Private company limited by shares | Live |
| SINO CHASER LIMITED | Private company limited by shares | Live |
| SINERTCH INTERNATIONAL (HK) CO LIMITED | Private company limited by shares | Live |
| SINO TRINITY GOLD CAPITAL COMPANY LIMITED | Private company limited by shares | Live |
| HIVER SIMPLE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Sino Jet Management Limited | Private company limited by shares | Live |
| SINO GAINER (HONG KONG) LIMITED | Private company limited by shares | Live |
| AMPLE SINO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HONG KONG SILICON CO., LIMITED | Private company limited by shares | Live |
| SINO STRONG WIN LIMITED | Private company limited by shares | Live |
| SPAIN SIDISAI FASHION CO., LIMITED | Private company limited by shares | Live |
| EURO LED SIGNS LIMITED | Private company limited by shares | Dissolved |
| Siddhi HK Limited | Private company limited by shares | Live |
| SINO FIRST LIMITED | Private company limited by shares | Live |
| SINO FURNITURE MARKETING (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Silversgate Enterprises Limited | Private company limited by shares | Live |
| SINO INNOVATION LIMITED | Private company limited by shares | Dissolved |
| HOLD SING ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| DRAGON SILVERCORD LIMITED | Private company limited by shares | Live |
| SINCERE SHOES TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO MARINE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HOI SING (HK) ENGINEERING LIMITED | Private company limited by shares | Live |
| Sino Global Resources Company Limited | Private company limited by shares | Live |
| SINTO TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sino Vast Holding Group Limited | Private company limited by shares | Live |
| SING KEE (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO RAY IMPORT & EXPORT TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Sino-wide International (Asia) Limited | Private company limited by shares | Live |
| SINOSWISS ADVISOR LIMITED | Private company limited by shares | Live |
| SINOSPA LIMITED | Private company limited by shares | Dissolved |
| MING SING WEALTH LIMITED | Private company limited by shares | Dissolved |
| Sinotex Asia Limited | Private company limited by shares | Live |
| SISICOM INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Dissolved |
| SINO LEAD INVESTMENT LIMITED | Private company limited by shares | Live |
| Sinolucky Line Limited | Private company limited by shares | Live |
| SINCERE INDUSTRIAL TRADE CO., LIMITED | Private company limited by shares | Live |
| SINO-ZIM MINING CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Sibow International HK Limited | Private company limited by shares | Live |
| SIERRA CORPORATION LIMITED | Private company limited by shares | Live |
| SINO MEGA CORPORATION LIMITED | Private company limited by shares | Live |
| SIXJAY CAPITAL LIMITED | Private company limited by shares | Live |
| SILVER MARKS LIMITED | Private company limited by shares | Live |
| SINO DEVELOP CORPORATION LIMITED | Private company limited by shares | Live |
| SIOBHAN LIMITED | Private company limited by shares | Live |
| SILBRIGHT LIMITED | Private company limited by shares | Dissolved |
| S.I.R. Alesund Hong Kong Limited | Private company limited by shares | Live |
| SINOSOFT (INTERNATIONAL) CO., LIMITED | Private company limited by shares | Live |
| SIGA TECHNOLOGY HOLDINGS CO., LIMITED | Private company limited by shares | Live |
| Simiter International Trading Limited | Private company limited by shares | Dissolved |
| SINO CONSTRUCTION SHIPPING (HK) LIMITED | Private company limited by shares | Live |
| SIWAY (HK) CO., LIMITED | Private company limited by shares | Live |
| ZHI XIN SINO-CONSULTING LIMITED | Private company limited by shares | Dissolved |
| SILVER LEGAL LIMITED | Private company limited by shares | Dissolved |
| SOUTH KOREA SINO-GERMAN FAIRY TALE (HK) CO., LIMITED | Private company limited by shares | Live |
| SINTEC INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Hong Sing Electronics (Hong Kong) Limited | Private company limited by shares | Live |
| SINO STAR CREATION LIMITED | Private company limited by shares | Live |
| SINOWIZS LIMITED | Private company limited by shares | Live |
| CONVERGE SINO TEXTILES LIMITED | Private company limited by shares | Live |
| SINO STOCK LIMITED | Private company limited by shares | Live |
| SITEC LIMITED | Private company limited by shares | Dissolved |
| YIU SING INVESTMENT (GROUP) LIMITED | Private company limited by shares | Live |
| ACAE SINO-AUSTRALIA PTY LIMITED | Private company limited by shares | Live |
| SILVERSEA INT'L INDUSTRY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BRIGHT SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| CAPITAL SINO INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO ELITE ASSETS MANAGEMENT LIMITED | Private company limited by shares | Live |
| SILVER SUCCESS HK LIMITED | Private company limited by shares | Live |
| SIMS (INTERNATIONAL) TECHNOLOGY INDUSTRIAL DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Live |
| PINE SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CLASQUIN SILK ROAD LIMITED | Private company limited by shares | Live |
| SINO PETROCHEMICALS CO., LIMITED | Private company limited by shares | Dissolved |
| SINO OCEAN MEDIA (HK) LIMITED | Private company limited by shares | Dissolved |
| SINOCITY ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO ADVANTAGE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| ASIA SINO ENGINEERING LIMITED | Private company limited by shares | Live |
| SINOPAC MOTORS TRADING CO. LIMITED | Private company limited by shares | Live |
| GERMANY QICAI SIMON (CHINA) ELECTRICAL APPLIANCES LIMITED | Private company limited by shares | Dissolved |
| SINO WEALTH ENGINEERING LIMITED | Private company limited by shares | Live |
| Solar Sino Technologies Limited | Private company limited by shares | Live |
| SINO LOI AND CONSULTING (HK) LIMITED | Private company limited by shares | Live |
| LEUNG SING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO MOUNTAIN LIMITED | Private company limited by shares | Live |
| HONG KONG CHI SING LIMITED | Private company limited by shares | Live |
| SINO GREAT (H.K.) LIMITED | Private company limited by shares | Live |
| SHENZHEN SINCO ELECTRON CO., LIMITED | Private company limited by shares | Dissolved |
| SINO BASE LIMITED | Private company limited by shares | Live |
| SINGALONG ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| SINO PETRO PIPELINE CO., LIMITED | Private company limited by shares | Live |
| SIXTEEN LIMITED | Private company limited by shares | Dissolved |
| YOUCHUAN SILICONE RUBBER MANUFACTURE CO., LIMITED | Private company limited by shares | Live |
| SINO-HK HUAQIANG GROUP INT'L CO., LIMITED | Private company limited by shares | Dissolved |