| SINGTON LIMITED | Private company limited by shares | Dissolved |
| MARBLE SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOWIDE INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| SINO DESIGN LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Nov-1999 |
| LUCKY SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINPAT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINFIT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINMAX COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINTER INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING PAO INVESTMENT LIMITED | Private company limited by shares | Live |
| SING YANG TRADING LIMITED | Private company limited by shares | Live |
| SINO-MORRIS LIMITED | Private company limited by shares | Dissolved |
| SINOIL CO. LIMITED | Private company limited by shares | Dissolved |
| SING CHOI STEVEDORING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCERE WAY COMPANY LIMITED | Private company limited by shares | Live |
| SOLO FASHION (SIN-HK.) TRADING LIMITED | Private company limited by shares | Dissolved |
| SINOEAST LIMITED | Private company limited by shares | Dissolved |
| TUNG SING GARMENT FACTORY LIMITED | Private company limited by shares | Dissolved |
| SINCO NBL LIMITED | Private company limited by shares | Dissolved |
| SINO ASIA AIR (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO SYSTEMS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SING WAN CANTEEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO GRACE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| NGAI SING E & M COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCLAIR CONTRACTORS LIMITED | Private company limited by shares | Dissolved |
| SINOCO DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| SINOVENTURES LIMITED | Private company limited by shares | Dissolved |
| TAI SING SILK FLOWER FACTORY LIMITED | Private company limited by shares | Dissolved |
| WAH SING WATCH MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| KWAN SING GARMENT FACTORY LIMITED | Private company limited by shares | Dissolved |
| THOMAS SING CHO CHENG COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING FINE COMPANY LIMITED | Private company limited by shares | Live |
| SINORIGHT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| SINXIA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINGRICK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINOPATH INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO WEST-AFRICA INTERNATIONAL (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO SUCCESS INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO CULTURE-TECH PROMOTION LIMITED | Private company limited by shares | Dissolved |
| SING KEE INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOWEST ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| STRONG SING LIMITED | Private company limited by shares | Live |
| SINO ADVANCEMENT CONSULTANTS ASSOCIATES LIMITED | Private company limited by shares | Live |
| SING HOI METALS AND PLASTIC MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| SING THYE TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| UNITED SINO COMPANY LIMITED | Private company limited by shares | Dissolved |
| HANG SING PAPER CARTON LIMITED | Private company limited by shares | Dissolved |
| PAUL SING ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| SINOWIDE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINAN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINOCOM TRADING LIMITED | Private company limited by shares | Live |
| PROSPEROUS SINO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING VIEW LIMITED | Private company limited by shares | Dissolved |
| SINNEX LIMITED | Private company limited by shares | Live |
| CCL SINO LIMITED | Private company limited by shares | Dissolved |
| SINGMONT TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| NAN SING MACHINERY LIMITED | Private company limited by shares | Live |
| LIK SING ELECTRONIC CO., LIMITED | Private company limited by shares | Dissolved |
| SING DIM TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOAUS FIBRES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING LIANG REALTY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINATONE LIMITED | Private company limited by shares | Live |
| FAN SINO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOTRANS (HK) SUPPLY CHAIN LIMITED | Private company limited by shares | Live |
| SING HONG (H.K.) LIMITED | Private company limited by shares | Dissolved |
| NEW SING FAI FOUNDING FACTORY LIMITED | Private company limited by shares | Dissolved |
| SING PAO PROPERTIES INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO AMERICA TRADING CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINCERE REGISTRATIONS LIMITED | Private company limited by shares | Dissolved |
| SINOBEST TRADING LIMITED | Private company limited by shares | Dissolved |
| HING TAI SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO TIEN TAI (TRADING) LIMITED | Private company limited by shares | Dissolved |
| SINO EXIM COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-PIFF INTERNATIONAL FREIGHT LIMITED | Private company limited by shares | Live |
| SINGTAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOBRIDGE LIMITED | Private company limited by shares | Dissolved |
| GUM SING SHOES FACTORY LIMITED | Private company limited by shares | Live |
| TUNG TAU ESTATE YU LAN SING ASSOCIATION LIMITED | Company limited by guarantee | Live |
| SINOWEST TRADING LIMITED | Private company limited by shares | Live |
| KUE SING LIMITED | Private company limited by shares | Dissolved |
| SINOWIDE INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SINOWIDE DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| SINGFORD COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO ENGINEERING RESOURCES LIMITED | Private company limited by shares | Dissolved |
| SPEED SING LIMITED | Private company limited by shares | Dissolved |
| SING TAO TOURS LIMITED | Private company limited by shares | Dissolved |
| SINO WEALTH COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOLIGHT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| YIU SING KNITTING FACTORY LIMITED | Private company limited by shares | Dissolved |
| MONGKOK CHIU KIU YU LAN SING WUI COMPANY LIMITED | Company limited by guarantee | Live |
| FUNG SING COMPANY LIMITED | Private company limited by shares | Live |
| DAI SING COMPANY OF HONG KONG LIMITED | Private company limited by shares | Dissolved |
| VITAL SING INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINOSOUTH ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| CHOK SING COMPANY LIMITED | Private company limited by shares | Live |
| KAM SING FOUNDRY LIMITED | Private company limited by shares | Dissolved |
| HUNT SING TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOTURN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHAP SING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO-EUROPEAN ENGINEERING LIMITED | Private company limited by shares | Live |