| Sichuan Laughingly Co., Limited | Private company limited by shares | Live |
| GOLD SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WEG SIAHAF Limited | Private company limited by shares | Dissolved |
| sis. int'l Limited | Private company limited by shares | Live |
| Hong Kong Sino Health Care Limited | Private company limited by shares | Live |
| POWER & SIGNAL TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| SINO METAL IMPORT&EXPORT LIMITED | Private company limited by shares | Live |
| KONG SING (HONG KONG) TRADING CO., LIMITED | Private company limited by shares | Live |
| YAT SING RESTAURANT LIMITED | Private company limited by shares | Live |
| Simple Fast Finance Limited | Private company limited by shares | Live |
| HAN SISTERS INVESTMENTS CO. LIMITED | Private company limited by shares | Live |
| Wah Fu Sing Yip Limited | Private company limited by shares | Live |
| SINO RISE PROPERTIES LIMITED | Private company limited by shares | Live |
| Sing Fai Hong Trading Limited | Private company limited by shares | Live |
| Germany Simon fire smoke ventilation system Limited | Private company limited by shares | Live |
| SING HO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sino-European Aegean Sea Tourism Limited | Private company limited by shares | Live |
| ASIA SINSUN TRADE CO., LIMITED | Private company limited by shares | Live |
| Wong Lam Kee (Brothers & Sisters ) Limited | Private company limited by shares | Live |
| GHS SIAHAF Limited | Private company limited by shares | Dissolved |
| SITC Fujian Shipping Company Limited | Private company limited by shares | Live |
| SITC Liaoning Shipping Company Limited | Private company limited by shares | Live |
| SITC Zhejiang Shipping Company Limited | Private company limited by shares | Live |
| HANG SING HONG KONG COMPANY LIMITED | Private company limited by shares | Live |
| SINO HONOUR FAR EAST LIMITED | Private company limited by shares | Live |
| SINGLE STUDIOS LIMITED | Private company limited by shares | Live |
| SIHNO MACHINERY LIMITED | Private company limited by shares | Live |
| SINO-US GLORY INDUSTRIA LIMITED | Private company limited by shares | Live |
| CHENGZHAN (HK) SILICONE PRODUCTS LIMITED | Private company limited by shares | Live |
| Sintec Industrial Co., Limited | Private company limited by shares | Live |
| Sinotide Technology (Hongkong) Limited | Private company limited by shares | Live |
| Sixth Avenue Limited | Private company limited by shares | Live |
| SIRAJ TRADE LIMITED | Private company limited by shares | Live |
| YAU SING LIMITED | Private company limited by shares | Live |
| SIYUN TRADE CO., LIMITED | Private company limited by shares | Live |
| SINLOK COMPANY LIMITED | Private company limited by shares | Live |
| SIMEI INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| TAT SING CHEONG GROUP LIMITED | Private company limited by shares | Live |
| SinoFirst Universal Company Limited | Private company limited by shares | Live |
| Since Group Limited | Private company limited by shares | Live |
| SILVEREX LIMITED | Private company limited by shares | Live |
| SILKROAD MEDIA LIMITED | Private company limited by shares | Dissolved |
| SINO STAR GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| PEAR SISTERS LIMITED | Private company limited by shares | Dissolved |
| SINO-HK FINANCE COMPANY LIMITED | Private company limited by shares | Live |
| One Sixty Six Limited | Private company limited by shares | Live |
| K Silver Limited | Private company limited by shares | Live |
| SINAER CO., LIMITED | Private company limited by shares | Live |
| SIMIER LIGHTING HK LIMITED | Private company limited by shares | Live |
| Sinma International Group Co., Limited | Private company limited by shares | Live |
| SINO UNITY INVESTMENT LIMITED | Private company limited by shares | Live |
| HONGKONG SILICON RADIO CO., LIMITED | Private company limited by shares | Live |
| SINO JOINER LIMITED | Private company limited by shares | Live |
| Sichuan Samuya Investment Co., Limited | Private company limited by shares | Live |
| SINMA (HK) CO., LIMITED | Private company limited by shares | Live |
| Eco-Life Silicone & Plastic Products Co., Limited | Private company limited by shares | Live |
| SINCERE WISDOM LIMITED | Private company limited by shares | Live |
| Sixwis Technologies (Asia) Group Limited | Private company limited by shares | Live |
| SINO RICHFIELD LIMITED | Private company limited by shares | Live |
| SINO UNIVERSAL INC LIMITED | Private company limited by shares | Live |
| SINO PACIFIC CORPORATION LIMITED | Private company limited by shares | Live |
| SINO PANDA LIMITED | Private company limited by shares | Live |
| SINO EDGE ENERGY GROUP CO., LIMITED | Private company limited by shares | Live |
| SINO GOLD INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |
| SILKROAD (CHINA) GROUP LIMITED | Private company limited by shares | Live |
| SINO AFRICA INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO GAS (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO LINKER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO WIN HONG KONG LIMITED | Private company limited by shares | Live |
| SISTERS PROFESSIONAL COSMETIC I/E (HK) LIMITED | Private company limited by shares | Live |
| SINO COPPER HONG KONG LIMITED | Private company limited by shares | Live |
| SINO COPPER LIMITED | Private company limited by shares | Live |
| Hong Kong Sinpower International Engineering Consulting Co., Limited | Private company limited by shares | Live |
| ON SINO LIMITED | Private company limited by shares | Live |
| SINO INDUSTRIAL SUPPLIES CO., LIMITED | Private company limited by shares | Live |
| SINO MEIR INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| TUNG SING STRUCTURAL ENGINEERING LIMITED | Private company limited by shares | Live |
| Silveriver Limited | Private company limited by shares | Dissolved |
| Sinostar Global Management Co., Limited | Private company limited by shares | Live |
| SigPlus Trading HK Co. Limited | Private company limited by shares | Live |
| SIYUAN OPTOELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| Sigma Mascot Company Limited | Private company limited by shares | Live |
| SMART SINO INC LIMITED | Private company limited by shares | Live |
| SINO SANAK LIMITED | Private company limited by shares | Live |
| SINO MARK PROPERTIES LIMITED | Private company limited by shares | Live |
| HONG KONG SIERWO CO., LIMITED | Private company limited by shares | Live |
| HONG KONG HOP SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SIXEN SIXEL LIMITED | Private company limited by shares | Live |
| Sino Precision Machining Co., Limited | Private company limited by shares | Live |
| SIMCOE LIMITED | Private company limited by shares | Live |
| Sing Yeahoo Limited | Private company limited by shares | Live |
| W & W SISTERS LIMITED | Private company limited by shares | Live |
| Left Side Holding Limited | Private company limited by shares | Live |
| SINO NORTH FINANCIAL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO BASE CONTRACTORS LIMITED | Private company limited by shares | Live |
| ASSOCIATION OF SINO ENTERPRISES PROMOTION LIMITED | Company limited by guarantee | Live |
| HANG FOOK SING INVESTMENT LIMITED | Private company limited by shares | Live |
| YU SING ENGINEERING LIMITED | Private company limited by shares | Live |
| SINOMATERIAL LIMITED | Private company limited by shares | Live |
| SINO SKYLAND LIMITED | Private company limited by shares | Live |