| SINO-SUM ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIN SING LIMITED | Private company limited by shares | Dissolved |
| FON SING LIMITED | Private company limited by shares | Dissolved |
| SINO-AREA LIMITED | Private company limited by shares | Dissolved |
| CHAM SING TRADING LIMITED | Private company limited by shares | Dissolved |
| JOIN SING LIMITED | Private company limited by shares | Dissolved |
| TOP SINCERE INVESTMENTS LIMITED | Private company limited by shares | Live |
| SINEY NOMINEE LIMITED | Private company limited by shares | Live |
| HING SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINGGA COMPANY LIMITED | Private company limited by shares | Live |
| SINOLEAD TRADING LIMITED | Private company limited by shares | Dissolved |
| SINOFIX LIMITED | Private company limited by shares | Live |
| SINOMART KAI YUEN PETROCHEMICAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAU SING PO PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| CHING SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINCA LIMITED | Private company limited by shares | Dissolved |
| FRIEND SING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINGULAR LIMITED | Private company limited by shares | Dissolved |
| SINTEC PIPE REVIVING LIMITED | Private company limited by shares | Dissolved |
| SING BAN (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO-AMERICAN DISTRIBUTORS LIMITED | Private company limited by shares | Live |
| SINO BRIGHT CONSULTANTS LIMITED | Private company limited by shares | Live |
| TAI SING ELECTRONIC PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOCI LIMITED | Private company limited by shares | Dissolved |
| KWAN SING WATCH-CASE FACTORY LIMITED | Private company limited by shares | Live |
| FIRST SING LIMITED | Private company limited by shares | Dissolved |
| ZONE SING LIMITED | Private company limited by shares | Dissolved |
| TAI SING PRODUCTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| NGAI LICK SING ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| SING TUNE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAIN SINCERE LIMITED | Private company limited by shares | Live |
| SINOWICK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO-BEACH MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| JOY SING TRADING & TRAVEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUPER SING FOUNDATION LIMITED | Private company limited by shares | Dissolved |
| TAI SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SINO TALENT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOUP INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINGING MOON ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| SINOVICTOR ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SING FUK PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SINO BRIGHTEX COMPANY LIMITED | Private company limited by shares | Live |
| SINOTA LIMITED | Private company limited by shares | Dissolved |
| SINO WEALTH HOLDING LIMITED | Private company limited by shares | Live |
| SINNON ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINDA-FULL COMPANY LIMITED | Private company limited by shares | Dissolved |
| LEE SING LOGISTIC & PROPERTY MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SING TIN PLASTIC FACTORY LIMITED | Private company limited by shares | Dissolved |
| SING FAI SWITCHGEAR COMPANY LIMITED | Private company limited by shares | Live |
| NEW HANG SING GRAPHIC ARTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOTEC INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| SINOKU COMPANY LIMITED | Private company limited by shares | Live |
| SINO-PIFF (CHINA) INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TIN SING PAPER PRODUCTS FACTORY LIMITED | Private company limited by shares | Dissolved |
| SINSTAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINFIT INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINGAFUND INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO EXPERT CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINO RICH CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| K. SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HOP SING CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SINGO TOYS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-PIFF GUANGDONG SHIPPING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SING CHING ELECTRO-PLATING COMPANY LIMITED | Private company limited by shares | Live |
| SINO POLE PETROLEUM PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| JBC SINO-SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SINOPOLAR LIMITED | Private company limited by shares | Dissolved |
| SINO CEREAL FOODS LIMITED | Private company limited by shares | Dissolved |
| SINOTEAM INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SUPER SINCERE LIMITED | Private company limited by shares | Live |
| SINO INVENTION LIMITED | Private company limited by shares | Dissolved |
| SINCE JOB INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINOPLUS EXCHANGE LIMITED | Private company limited by shares | Dissolved |
| SINCE JOB LIMITED | Private company limited by shares | Dissolved |
| SING KWONG ALUMINIUM ANODIZING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAH SING LACE COMPANY LIMITED | Private company limited by shares | Live |
| SINOBASE LIMITED | Private company limited by shares | Dissolved |
| SINCEFORD INVESTMENT LIMITED | Private company limited by shares | Live |
| SINCERE BLOOM INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO CHEMICALS, LIMITED | Private company limited by shares | Dissolved |
| GRACE SING LIMITED | Private company limited by shares | Dissolved |
| HAI SAN SINO-HONGKONG TRANSPORT LIMITED | Private company limited by shares | Dissolved |
| SING KEE SAIL AND FLAG COMPANY LIMITED | Private company limited by shares | Live |
| MAN SING RATTAN (MFY) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING DIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINGHALL LIMITED | Private company limited by shares | Dissolved |
| SINOWEAR INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| SINTOP LIMITED | Private company limited by shares | Dissolved |
| SINBEST LIMITED | Private company limited by shares | Dissolved |
| KUM SING TOYS INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SINCERE HANDS LIMITED | Private company limited by shares | Dissolved |
| SUN SING PAPER PRODUCT (CHINA) CO., LIMITED | Private company limited by shares | Dissolved |
| SINO-EMPIRE TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO-WORKS INDUSTRIES LIMITED | Private company limited by shares | Dissolved |
| KIM SING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING FUNG KNITTING FACTORY LIMITED | Private company limited by shares | Dissolved |
| SINOCRETE LIMITED | Private company limited by shares | Dissolved |
| SINWOOD LIMITED | Private company limited by shares | Dissolved |
| SINGKAI INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| DIP SING ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |