| SMART SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOTIME ENTERPRISES LIMITED | Private company limited by shares | Live |
| Crown Sino Group Limited | Private company limited by shares | Live |
| Sinolink Financial Holding (Hong Kong) Limited | Private company limited by shares | Live |
| FUK SING TAK (HK) TRADE CO., LIMITED | Private company limited by shares | Live |
| SINO AMBITION (KT) LIMITED | Private company limited by shares | Live |
| SING YEE (HK) TRADING CO., LIMITED | Private company limited by shares | Live |
| Jai Sinn Trading Limited | Private company limited by shares | Live |
| SINO SILKROAD HEAVYTRANS SHIPPING CO., LIMITED | Private company limited by shares | Live |
| Sino Ferroalloy Investment Limited | Private company limited by shares | Live |
| SINO INFORMATION LIMITED | Private company limited by shares | Live |
| SINCO LIMITED | Private company limited by shares | Live |
| Sinotec (HK) Co., Limited | Private company limited by shares | Live |
| SINOPLUS PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| Yat Sing Trading Company Limited | Private company limited by shares | Live |
| CHIT SING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| ART SING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Sinwoki Limited | Private company limited by shares | Live |
| Sinofirst Limited | Private company limited by shares | Live |
| Sino Resource Group Limited | Private company limited by shares | Live |
| KA SING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| MING SING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO PEAK MINING TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| Sino Sourcing & Supply Limited | Private company limited by shares | Live |
| Singleron Biotechnologies (HK) Limited | Private company limited by shares | Live |
| SING MING E & M COMPANY LIMITED | Private company limited by shares | Live |
| SINO COSMOS LIMITED | Private company limited by shares | Live |
| SINO-TRADE MASON LIMITED | Private company limited by shares | Live |
| Sincere Prosperous Group Limited | Private company limited by shares | Live |
| Mou Far Sino Limited | Private company limited by shares | Live |
| SINO EAST TRADING LIMITED | Private company limited by shares | Live |
| WAY SINCERE TRADING LIMITED | Private company limited by shares | Live |
| HOI SING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SING YUEN TRADING LIMITED | Private company limited by shares | Live |
| YAT SING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Sino Pacific Group Limited | Private company limited by shares | Live |
| Cheuk Sing Construction Limited | Private company limited by shares | Live |
| Lung Sing Investment International Limited | Private company limited by shares | Live |
| SINO-PNOC Exploration Petroleum and Gas Limited | Private company limited by shares | Live |
| SINO DILIGENT LIMITED | Private company limited by shares | Live |
| Sino Biotech Holding Limited | Private company limited by shares | Live |
| SINTEC HK Limited | Private company limited by shares | Live |
| SINGA RICA PRIVATE LIMITED | Private company limited by shares | Live |
| Sino-HK Energy Co., Limited | Private company limited by shares | Live |
| SINBAILEY SCIENTIFIC INSTRUMENTS (HK) CO., LIMITED | Private company limited by shares | Live |
| PAX SINICA PUBLISHING LIMITED | Private company limited by shares | Live |
| SINFORD LIMITED | Private company limited by shares | Live |
| SINO CHAMP LIMITED | Private company limited by shares | Live |
| SINO REACH TAX AND BUSINESS ADVISORY LIMITED | Private company limited by shares | Live |
| SINO TALENT TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SINO KBR Pharmaceutical Limited | Private company limited by shares | Live |
| Wan Sing Design & Engineering Limited | Private company limited by shares | Live |
| Sino-Lean (Hongkong) Limited | Private company limited by shares | Live |
| SING MING TRADING LIMITED | Private company limited by shares | Live |
| SINO JOYFUL LIMITED | Private company limited by shares | Live |
| SOLAR SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINOCO SHIPPING LIMITED | Private company limited by shares | Live |
| SINO-TEC (HK) TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Sino Up Industrial Limited | Private company limited by shares | Live |
| Sinirio Design International Limited | Private company limited by shares | Live |
| SING BO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO TSO INTERNATIONAL TRADE GROUP LIMITED | Private company limited by shares | Live |
| SINO SHIPPING LIMITED | Private company limited by shares | Live |
| SINO FAITH SPORTS GOODS LIMITED | Private company limited by shares | Live |
| SINCERE LINK LIMITED | Private company limited by shares | Live |
| SING TUNG TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SHENZHEN SINDIO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| ZHONGNAN OILFIELD SINOPEC CO., LIMITED | Private company limited by shares | Live |
| SING CHI TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| WAH SING ENGINEERING LIMITED | Private company limited by shares | Live |
| GLOBAL SINO DEVELOP LIMITED | Private company limited by shares | Live |
| SINO MIRACLE LIMITED | Private company limited by shares | Live |
| SINO SINCERITY LIMITED | Private company limited by shares | Live |
| SINOLUX CAPITAL LIMITED | Private company limited by shares | Live |
| Sinomud Limited | Private company limited by shares | Live |
| SING ZOEK TECHNOLOGY INVESTMENTS LIMITED | Private company limited by shares | Live |
| SSG - Sino Shipping Group (HK) Limited | Private company limited by shares | Live |
| YUEN SING INTERNATIONA (HK) LIMITED | Private company limited by shares | Live |
| Lucky Sino Industrial Limited | Private company limited by shares | Live |
| SINCE DAY ONE LIMITED | Private company limited by shares | Live |
| HK CHE SING LIMITED | Private company limited by shares | Live |
| SINOTAN HOLDING LIMITED | Private company limited by shares | Live |
| HK SingTown Technology Co., Limited | Private company limited by shares | Live |
| CHING SING INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO METAL SUPPLY CO., LIMITED | Private company limited by shares | Live |
| SINOVOICE TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| DON SING INNOVATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| KAI SING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO FOCUS TRADING LIMITED | Private company limited by shares | Live |
| SINO SENSE (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sing Wai Engineering Construction Limited | Private company limited by shares | Live |
| SINTEK (HK) MICROELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SINOR INTERNATIONAL (HONGKONG) LIMITED | Private company limited by shares | Live |
| Sini Limited | Private company limited by shares | Live |
| GREATER SINO (CHINA) LIMITED | Private company limited by shares | Live |
| SING FAI GLOBAL TRADING LIMITED | Private company limited by shares | Live |
| Sing In The World Co., Limited | Private company limited by shares | Live |
| SINO SUPER HOLDING LIMITED | Private company limited by shares | Live |
| ORIENT SINO PATIO FURNITURE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO-MS Group Limited | Private company limited by shares | Live |