| FOOK SING OIL LIMITED | Private company limited by shares | Live |
| SINO EUROPEAN TRADE AND INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| YAT SING ELECTRICAL TRADING LIMITED | Private company limited by shares | Live |
| SING SAI SINO HK LOGISTIC LIMITED | Private company limited by shares | Live |
| Sino-Living Enterprises Limited | Private company limited by shares | Live |
| SINOWINDS ELECTRIC CO., LIMITED | Private company limited by shares | Live |
| SII Sichuan Internships & Immersion programs Limited | Private company limited by shares | Live |
| HONGKONG SIXIN GROUP LIMITED | Private company limited by shares | Live |
| Sinocare Investment Co., Limited | Private company limited by shares | Live |
| Sifmidt Trading Limited | Private company limited by shares | Live |
| Sino Manufacturing Solutions Limited | Private company limited by shares | Live |
| Siam Group Limited | Private company limited by shares | Live |
| SINOLINE INC LIMITED | Private company limited by shares | Live |
| SAC SINO TRADING GROUP CO., LIMITED | Private company limited by shares | Live |
| SingaSong (HK) Trading Co., Limited | Private company limited by shares | Live |
| SINRIT INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| ASIA SINO LIMITED | Private company limited by shares | Live |
| SINOTEC INSTRUMENT (HK) CO., LIMITED | Private company limited by shares | Live |
| SINO TECHTRADE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SINGLUNGYU INT'L LIMITED | Private company limited by shares | Live |
| KWAN SING INVESTMENT LIMITED | Private company limited by shares | Live |
| HONG SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Simandian & Co. Limited | Private company limited by shares | Live |
| SINCE ALIVE LIMITED | Private company limited by shares | Live |
| SILK STREAM LIMITED | Private company limited by shares | Live |
| SINGYU INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| SING YAT MOTORS CO LIMITED | Private company limited by shares | Dissolved |
| SIMPLE CHOICE LIMITED | Private company limited by shares | Live |
| SINO LINKS INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SIMPLE INTERNATIONAL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SINO MERGE TRADING LIMITED | Private company limited by shares | Live |
| GREATWARE SILICONE PRODUCTS LIMITED | Private company limited by shares | Live |
| SINO BRIGHT TRANSPORT LIMITED | Private company limited by shares | Dissolved |
| Sino Space Foundation Limited | Private company limited by shares | Live |
| Sinoglory Marine Co., Limited | Private company limited by shares | Live |
| SING VIEW RUBBER-PLASTIC TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SINO FIRST INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SINO DCT INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| SILKROAD TRADING CORPORATION LIMITED | Private company limited by shares | Live |
| SIEF COMPANY LIMITED | Private company limited by shares | Live |
| RICH SILVER FINANCE LIMITED | Private company limited by shares | Live |
| DRAGON SINO CORPORATION LIMITED | Private company limited by shares | Live |
| SING TAI ENGINEERING CO., LIMITED | Private company limited by shares | Live |
| SINOS RAY LIMITED | Private company limited by shares | Live |
| NICE SILVER LIMITED | Private company limited by shares | Live |
| SINO CROWN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Hey Sing Trading Limited | Private company limited by shares | Live |
| SINO GLORY METAL RESOURCES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| GOLD & SILVER INC LIMITED | Private company limited by shares | Live |
| Silicon Software Limited | Private company limited by shares | Live |
| SINO SUPER CAFON MACHINERY CO., LIMITED | Private company limited by shares | Live |
| Yiu Sing Engineering Limited | Private company limited by shares | Live |
| SINO BEST TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| CHINA SINO DEGO ENERGY AND TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sino Marine Consulting Limited | Private company limited by shares | Live |
| SIMONI DIAMONDS LIMITED | Private company limited by shares | Live |
| Silk Oak Co., Limited | Private company limited by shares | Live |
| SINO PALM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINORICH TRANSPORT LIMITED | Private company limited by shares | Live |
| SIMPLE ELECTRONICS LIMITED | Private company limited by shares | Live |
| SINO-PORT INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| HK HESHENG SILASTIC MANUFACTURE LIMITED | Private company limited by shares | Live |
| ANDI SIDUN TRADING (HK) CO., LIMITED | Private company limited by shares | Live |
| Sinak Limited | Private company limited by shares | Live |
| SIGNIFICANT SIGN LIMITED | Private company limited by shares | Live |
| TAK SING TRADING LIMITED | Private company limited by shares | Dissolved |
| Bok Sing International Trading (HK) Limited | Private company limited by shares | Live |
| SIMA CREATIVE AND PRODUCTION CO., LIMITED | Private company limited by shares | Live |
| SINCERE CARE SERVICE LIMITED | Private company limited by shares | Live |
| Education&Culture Association For Sion-US Univ. Exchange Limited | Private company limited by shares | Live |
| TIN SINCE GOLD LIMITED | Private company limited by shares | Dissolved |
| NEWLY SINO INVESTMENTS GROUP LIMITED | Private company limited by shares | Live |
| SINO BERRY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SilverLeaf Limited | Private company limited by shares | Live |
| SINRO (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO TEAM INC LIMITED | Private company limited by shares | Live |
| JOIN SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOLIGHTING LEDTECH ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINOWAY INC. LIMITED | Private company limited by shares | Live |
| SINO JOB TRADING LIMITED | Private company limited by shares | Live |
| GERMANY SITELANG LIGHTING INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| SINO STRATEGY LIMITED | Private company limited by shares | Dissolved |
| SINO DINGXIN INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| Sinoapply (Hong Kong) Co., Limited | Private company limited by shares | Live |
| HK XINRUI SILICONE LIMITED | Private company limited by shares | Live |
| SINAE INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| MINGRUI SILICON INDUSTRY (H.K) COMPANY LIMITED | Private company limited by shares | Live |
| SINOVIRTUE CO., LIMITED | Private company limited by shares | Live |
| SIREE HONGKONG CO., LIMITED | Private company limited by shares | Live |
| SINO CHANNEL GLOBAL RESOURCES LIMITED | Private company limited by shares | Live |
| Sincerity Optoelectronic Limited | Private company limited by shares | Dissolved |
| SILLYFISH INTERACTIVE LIMITED | Private company limited by shares | Live |
| Sino Microtech Co., Limited | Private company limited by shares | Live |
| SIDEWAYS LIMITED | Private company limited by shares | Live |
| SINOCARE VILLAGE LIMITED | Private company limited by shares | Live |
| SINO HK LIMITED | Private company limited by shares | Live |
| SINO CHARTER TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO CITY (HONG KONG) LIMITED | Private company limited by shares | Live |
| SIMPLE AUTOMATION CO., LIMITED | Private company limited by shares | Live |
| Sinovate Technology Limited | Private company limited by shares | Live |