| HANG SING ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| SINOWEST TRADING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO FORTUNE CONSULTANT COMPANY LIMITED | Private company limited by shares | Live |
| SINO-GERMAN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO RICHLY ENGINEERING LIMITED | Private company limited by shares | Live |
| SINOLINK MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINO FAITH INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINO FORTUNE INC. LIMITED | Private company limited by shares | Live |
| SINO NICE LIMITED | Private company limited by shares | Dissolved |
| SINO MASTER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| GAIN SINCERE LIMITED | Private company limited by shares | Live |
| SIMPLE APPROACH LIMITED | Private company limited by shares | Live |
| SINO CONSULTANT LIMITED | Private company limited by shares | Dissolved |
| SINOSENSE MANAGEMENT GROUP LIMITED | Private company limited by shares | Live |
| HANG SING PROPERTY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILVER ACHIEVE LIMITED | Private company limited by shares | Dissolved |
| SINGLAR SOLUTION LIMITED | Private company limited by shares | Dissolved |
| SINO SHINY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOBEST MANUFACTURING COMPANY LIMITED | Private company limited by shares | Live |
| YUK YAT SING (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO WISDOM TRADING LIMITED | Private company limited by shares | Live |
| SINO WINNER TECHNOLOGIES LIMITED | Private company limited by shares | Dissolved |
| SINO WISE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOGAIN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| CHE SING LABEL CO., LIMITED | Private company limited by shares | Live |
| KIN SING ELECTRONIC (ENGINEERING) LIMITED | Private company limited by shares | Dissolved |
| SING PING ENG. LIMITED | Private company limited by shares | Live |
| SINO EXCOM INVESTMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO SUCCESS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SIERRA LIMA 2 LIMITED | Private company limited by shares | Live |
| SinoReach Venture Limited | Private company limited by shares | Dissolved |
| SINO-GERMAN ENGINEERING & TRADE CO., LIMITED | Private company limited by shares | Live |
| S.I. Investments and Finance Limited | Private company limited by shares | Dissolved |
| SINO-GERMAN CONSULTING & TRADE CO., LIMITED | Private company limited by shares | Live |
| H. K. WONG SING LIMITED | Private company limited by shares | Live |
| SINO-HK INVESTMENT CONSULTANT LIMITED | Private company limited by shares | Live |
| SINOEURO LIMITED | Private company limited by shares | Live |
| SIMAG INVESTMENT LIMITED | Private company limited by shares | Live |
| HONG KONG SINO CREDIT ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| DUNG SING MAGNETICS COMPANY LIMITED | Private company limited by shares | Live |
| SINO PROSPER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Siam Success Limited | Private company limited by shares | Dissolved |
| SILVER OCEAN LIMITED | Private company limited by shares | Dissolved |
| SIMPRO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGH ENTERPRISE PVT LIMITED | Private company limited by shares | Dissolved |
| SINO CONCEPT TRADING LIMITED | Private company limited by shares | Live |
| EURO SINO SOURCING LIMITED | Private company limited by shares | Dissolved |
| PORATH SINO TRADING HK LIMITED | Private company limited by shares | Live |
| SILICONCORE TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| SINOTEAM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SIGMA VENTURE LIMITED | Private company limited by shares | Live |
| SinoTalents Limited | Private company limited by shares | Dissolved |
| SIGNTEX (HK) LIMITED | Private company limited by shares | Dissolved |
| SINOWIN PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SUCCESS SILVER LIMITED | Private company limited by shares | Live |
| SILVERLINK SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SICON LIMITED | Private company limited by shares | Live |
| SINO COMPUTER SERVICE LIMITED | Private company limited by shares | Live |
| FRANCE SIPUYATE (HONG KONG) FASHION LIMITED | Private company limited by shares | Live |
| POWER SIDE LIMITED | Private company limited by shares | Dissolved |
| SINOSTAR SHIPBROKERS (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| SINOJIE HANSON LIMITED | Private company limited by shares | Live |
| SINO GLOBE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SILSPEC LIMITED | Private company limited by shares | Dissolved |
| SINO VALLEY LIMITED | Private company limited by shares | Dissolved |
| COENG SING METAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sichuan Zhengtong Energy Development Co. Limited | Private company limited by shares | Dissolved |
| SIMPTECH LIMITED | Private company limited by shares | Dissolved |
| SILI HOUSEHOLD LIMITED | Private company limited by shares | Live |
| SING YIP ENTERPRISE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SIAG INTERNATIONAL LIMITED | Private company limited by shares | Live |
| MAX SILVER LIMITED | Private company limited by shares | Live |
| SINOMANIA HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO FORD (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SINO GATE LIMITED | Private company limited by shares | Live |
| SINO DRAGON INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO ART AUCTIONEERS LIMITED | Private company limited by shares | Live |
| SINO NATION LIMITED | Private company limited by shares | Dissolved |
| SIDA ELECTRONICS (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| SINOTRANS CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO PLATFORM INT'L TRADE LIMITED | Private company limited by shares | Dissolved |
| SIGN-A-RAMA (CHINA) CO., LIMITED | Private company limited by shares | Dissolved |
| Silitec Asia Limited | Private company limited by shares | Live |
| SINOTEC CAPITAL LIMITED | Private company limited by shares | Dissolved |
| SINOGLORY GROUP LIMITED | Private company limited by shares | Dissolved |
| SISS LIMITED | Private company limited by shares | Dissolved |
| SINGAPORE CVUEUV PETROLEUM CHEMICAL INDUSTRY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SILVER FAME ASIA LIMITED | Private company limited by shares | Dissolved |
| SINO AMERICAN LIMITED | Private company limited by shares | Dissolved |
| SIDDONS LIMITED | Private company limited by shares | Dissolved |
| WAN SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO TEXTILES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIMTECH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| RAISE SINO (HK) LIMITED | Private company limited by shares | Dissolved |
| SINOX GLOBAL LIMITED | Private company limited by shares | Live |
| SING NGAI METAL WORKS LIMITED | Private company limited by shares | Live |
| ANGLO SINO RESOURCES LIMITED | Private company limited by shares | Dissolved |
| WUI SING CATERING ENTERTAINMENT MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINO GOLF SOURCING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO WORLD TRADING LIMITED | Private company limited by shares | Live |