| NEW SIGHT ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO-OCEANS LIMITED | Private company limited by shares | Live |
| SINO BOND LIMITED | Private company limited by shares | Dissolved |
| SINO CHAMPION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WIN SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO BUSINESS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINOFAITH ENGINEERING LIMITED | Private company limited by shares | Live |
| BEST OCEAN (SILK) LIMITED | Private company limited by shares | Dissolved |
| SINNER 47 LIMITED | Private company limited by shares | Dissolved |
| SIDE LIMITED | Private company limited by shares | Dissolved |
| SIRENSENSE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIGHT-FORCE FINISHING LIMITED | Private company limited by shares | Live |
| SINO-TIMESHARE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOCON INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HANG SING IRON ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SIMCONA ASIA LIMITED | Private company limited by shares | Dissolved |
| SING KEE CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAI SING TRADING & TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| SINO ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| SINO-I.COM LIMITED | Private company limited by shares | Dissolved |
| JING SING FAI ELECTRONIC LIMITED | Private company limited by shares | Live |
| SIAE ASIA LIMITED | Private company limited by shares | Live |
| EASTERN SILICON SCREENING LIMITED | Private company limited by shares | Dissolved |
| TAI SING (H.K.) ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SUN SING TEA LIMITED | Private company limited by shares | Live |
| MEI FU SINGAPORE INTERNATIONAL PETROLEUM CHEMICAL ENGINEERING HOLDING LIMITED | Private company limited by shares | Dissolved |
| YAT SING RESOURCES COMPANY LIMITED | Private company limited by shares | Live |
| SINGLUNG WIRE & PLASTIC COMPANY LIMITED | Private company limited by shares | Live |
| KAI SING ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| SIDER DIGITAL COMPONENTS LIMITED | Private company limited by shares | Dissolved |
| SING PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| SIFON ASIA HOLDING LIMITED | Private company limited by shares | Dissolved |
| SIWEN POLONG LIMITED | Private company limited by shares | Dissolved |
| SING FUNG ENGINEERING & CONSTRUCTION CO., LIMITED | Private company limited by shares | Live |
| SINO CENTURY H.K. LIMITED | Private company limited by shares | Live |
| SINO DRAGON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| CHUNG SING LIMITED | Private company limited by shares | Dissolved |
| SILVERICH MINING GROUP (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO TARGET INTERNATIONAL (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINBURY INTERNATIONAL (HK) CO., LIMITED | Private company limited by shares | Live |
| SILKDD100 HK LIMITED | Private company limited by shares | Dissolved |
| SINSING MEDICINE CO., LIMITED | Private company limited by shares | Dissolved |
| SICHUAN SHENYU IMPORT / EXPORT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOPARTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO STAR GROUP LIMITED | Private company limited by shares | Live |
| SINO ART TRADING LIMITED | Private company limited by shares | Live |
| KONG SING (H.K.) LIMITED | Private company limited by shares | Live |
| SINOMAX PLANNING LIMITED | Private company limited by shares | Live |
| TSUN SING (HONG KONG) LIMITED | Private company limited by shares | Live |
| PAK SING SHOE MATERIAL (H.K.) LIMITED | Private company limited by shares | Live |
| SINO MASTER INTERNATIONAL GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO FIDELITY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SIMPLE FORWARDING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIWAY LIMITED | Private company limited by shares | Live |
| SINO-HAITONG TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| GIAN SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO-INDIA LINES LIMITED | Private company limited by shares | Live |
| FUTURE SINO LIMITED | Private company limited by shares | Dissolved |
| SINCERE PRINTING LIMITED | Private company limited by shares | Dissolved |
| SILENUS (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO MEGA LIMITED | Private company limited by shares | Live |
| HO SING CLOTHING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SICONA SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| STRONG SINO LIMITED | Private company limited by shares | Live |
| SINOMAP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| S3-SECOND SILICON SOURCE LIMITED | Private company limited by shares | Dissolved |
| GOLD SILVER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO TRADE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SING WONG CONSTRUCTION LIMITED | Private company limited by shares | Live |
| WESTERN TECHNOLOGY SINO LIMITED | Private company limited by shares | Dissolved |
| SILVERTOAD INVESTMENTS LIMITED | Private company limited by shares | Live |
| ALL SINCERE LIMITED | Private company limited by shares | Dissolved |
| SINGIN PRODUCTION COMPANY LIMITED | Private company limited by shares | Live |
| SICHUAN SHU YUAN JI CHU ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SIMPAK INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Silverstone Trading, Limited | Private company limited by shares | Dissolved |
| SINOMAG INVESTMENT LIMITED | Private company limited by shares | Live |
| HANG SING (BAO AN) PAPER PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| SINO RESOURCE CONSULTANTS LIMITED | Private company limited by shares | Live |
| YUK SING INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| SIMPSONS ENTERPRISE LIMITED | Private company limited by shares | Live |
| TUNG SING PAWNSHOP LIMITED | Private company limited by shares | Dissolved |
| SINO LIGHTHOUSE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SICHUAN LABOUR RESOURCES CO., LIMITED | Private company limited by shares | Dissolved |
| SINGPLUS HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO FULL LIMITED | Private company limited by shares | Live |
| KO SING PAWNSHOP LIMITED | Private company limited by shares | Dissolved |
| LUCK SIGHT LIMITED | Private company limited by shares | Dissolved |
| SINOKEY E & M LIMITED | Private company limited by shares | Dissolved |
| H.K. SIEMENTS ELECTRIC APPLIANCE LIMITED | Private company limited by shares | Dissolved |
| GRANT SINO LIMITED | Private company limited by shares | Dissolved |
| SINO KING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINO-OCEAN INVESTMENT HOLDING LIMITED | Private company limited by shares | Dissolved |
| SINOLEX INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO METAL LIMITED | Private company limited by shares | Live |
| SINO FORTUNE INVESTMENT ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO CONNECT LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SINO INDUSTRIAL INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO DAY LIMITED | Private company limited by shares | Live |
| SINO-OCEAN BUSINESS HOLDINGS LIMITED | Private company limited by shares | Dissolved |