| HO SING INTERNATIONAL TRADING CO LIMITED | Private company limited by shares | Live |
| Sino Win International Group Co., Limited | Private company limited by shares | Dissolved |
| SILMA HK LIMITED | Company limited by guarantee | Live |
| SOPHIA SINOFRANCE TRADE COMPANY LIMITED | Private company limited by shares | Live |
| SINO VOICE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO SPRING INDUSTRY & TRADE CO., LIMITED | Private company limited by shares | Dissolved |
| RIGHT SINCERE LIMITED | Private company limited by shares | Live |
| SINO POWER TRADING LIMITED | Private company limited by shares | Live |
| SINO ELECTRONIC LIMITED | Private company limited by shares | Live |
| ZHONG JING SILICON INVESTMENT LIMITED | Private company limited by shares | Live |
| SINGFENG TRADING LIMITED | Private company limited by shares | Dissolved |
| Silica Materials Co., Limited | Private company limited by shares | Live |
| Lightspeed Silicon Technologies Limited | Private company limited by shares | Live |
| SINO FIRST ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SILVERSTONE NETWORKS LIMITED | Private company limited by shares | Live |
| SINO STANDARD (H.K.) LIMITED | Private company limited by shares | Live |
| SINTER INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SINO EXCELLENT TRADING LIMITED | Private company limited by shares | Live |
| SINTOP ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINONEW INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO GETTER LIMITED | Private company limited by shares | Live |
| BEST SINO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINTEC METAL FABRICATION LIMITED | Private company limited by shares | Live |
| GREAT SINO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| LUCKY SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| PACIFIC SINO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINOTRANS GROUP HK LIMITED | Private company limited by shares | Live |
| SINO CHEER INC LIMITED | Private company limited by shares | Live |
| SINCERE CARE REHABILITATION CO. LIMITED | Private company limited by shares | Dissolved |
| SINOASIA LIMITED | Private company limited by shares | Live |
| Sing Fung Company Limited | Private company limited by shares | Live |
| SILVERSTONE CAPITAL (HK) LIMITED | Private company limited by shares | Live |
| Sinopec Insurance Limited | Private company limited by shares | Live |
| Sino Global Holding (Hongkong) Limited | Private company limited by shares | Live |
| SINO CENTURY TRADING LIMITED | Private company limited by shares | Live |
| SISEL CAPITAL LIMITED | Private company limited by shares | Live |
| Sing With Us (Hong Kong) Limited | Private company limited by shares | Live |
| Sinospring Limited | Private company limited by shares | Live |
| SINOBESTLED LIGHTING CO., LIMITED | Private company limited by shares | Live |
| HK SIJI FOOTWEAR (ASIA) LIMITED | Private company limited by shares | Live |
| SINO ALLIANCE CAPITAL RESOURCES LIMITED | Private company limited by shares | Live |
| SINO VALLEY INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| Simagnoo Trade Company Limited | Private company limited by shares | Live |
| GREATEST SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO POINTER (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sikon Automation (Guangzhou) Co., Limited | Private company limited by shares | Live |
| SINOWOOD ENTERTAINMENT LIMITED | Private company limited by shares | Live |
| SIDOKA LIMITED | Private company limited by shares | Live |
| SINOSTAR SHOES LIMITED | Private company limited by shares | Dissolved |
| SINO FAITH TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Sinyu Leemay Tech Co., Limited | Private company limited by shares | Live |
| SIMA FOR CREATIVE PRODUCTION CO., LIMITED | Private company limited by shares | Dissolved |
| MING SING MOLD TRADING CO., LIMITED | Private company limited by shares | Live |
| Sinomecca Limited | Private company limited by shares | Live |
| SINO INVESTMENT PLANNING LIMITED | Private company limited by shares | Live |
| SEAPORT SILVER LIMITED | Private company limited by shares | Dissolved |
| TOP SING INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| SILVERCOAST INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO HOPE LIMITED | Private company limited by shares | Dissolved |
| Sichuan Chang Yang Composites Company Limited | Private company limited by shares | Live |
| SINO FLOURISH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HARBOUR SILVER ENTERPRISE LIMITED | Private company limited by shares | Live |
| SITC Hanshin Shipping Company Limited | Private company limited by shares | Live |
| Sino Loyal International Cooperation Limited | Private company limited by shares | Live |
| MQ Silicon Rubber Products Co., Limited | Private company limited by shares | Live |
| SINO DYNAMIC TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SINOTUBING ENGINEERING (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Sino Equip Co., Limited | Private company limited by shares | Live |
| SIXMA TRADING COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG SINOVASTAR HOLDINGS LIMITED | Private company limited by shares | Live |
| CANTON SINO LIMITED | Private company limited by shares | Live |
| Sino Progress (Hong Kong) Trading Limited | Private company limited by shares | Live |
| SINO REAR LIMITED | Private company limited by shares | Live |
| SINOTEST TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| SINOTRANS JINHUA INTERNATIONAL LOGISTICS CO., LIMITED | Private company limited by shares | Dissolved |
| SIMA MNGT Limited | Private company limited by shares | Live |
| SingiTel Networks Limited | Private company limited by shares | Live |
| Siderian Resource Capital Limited | Private company limited by shares | Live |
| LONG SINO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO FINE LIMITED | Private company limited by shares | Live |
| SINBAD SUPPLY CHAIN LIMITED | Private company limited by shares | Live |
| Sing Sun Scaffolding Engineering Limited | Private company limited by shares | Live |
| SINGAEMAS LIMITED | Private company limited by shares | Live |
| SILVER MOON ASIA LIMITED | Private company limited by shares | Live |
| SINO WINNER INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| NINGBO SILVERHOOK PRECISION MFG. CO., LIMITED | Private company limited by shares | Live |
| Hong Kong Sintec Trading Limited | Private company limited by shares | Live |
| SIMPLE MICROELECTRONICS DEVICES (HK) LIMITED | Private company limited by shares | Dissolved |
| YIU SING INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SING TAK TRADING COMPANY LIMITED | Private company limited by shares | Live |
| YORK SINO LIMITED | Private company limited by shares | Live |
| SINO CENTRAL LIMITED | Private company limited by shares | Live |
| SISI Limited | Private company limited by shares | Live |
| Sino Rio Energy Co., Limited | Private company limited by shares | Live |
| SINO GLAFCOS CO., LIMITED | Private company limited by shares | Live |
| CANTON SINO ORIENT LIMITED | Private company limited by shares | Live |
| METRO SILVER ASIA LIMITED | Private company limited by shares | Live |
| SINO LONE STAR LIMITED | Private company limited by shares | Live |
| SinoGrid International (Hong Kong) Holding Limited | Private company limited by shares | Live |
| SINENG ASIA SHIPPING CO., LIMITED | Private company limited by shares | Live |