| Hong Kong Sinking International Group Limited | Private company limited by shares | Live |
| SINO FLYER INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Singularity Limited | Private company limited by shares | Live |
| SINO ALLIANCE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO FINANCIAL BIG DATA LIMITED | Private company limited by shares | Live |
| SINOVEL COMPANY LIMITED | Private company limited by shares | Live |
| BEST SINCERE TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SING YIU CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Live |
| SINCEUR TRADING LIMITED | Private company limited by shares | Live |
| Sincere Educational Service Limited | Private company limited by shares | Live |
| SINO SMARTLAND LIMITED | Private company limited by shares | Live |
| GRAND SINO TRADING LIMITED | Private company limited by shares | Live |
| HONG KONG SINO GLORY CONSULTANT LIMITED | Private company limited by shares | Live |
| SINO ELEGANT CONSULTANT LIMITED | Private company limited by shares | Live |
| SINO KEY (HONG KONG) LIMITED | Private company limited by shares | Live |
| Sino Engineering Group (HK) Co., Limited | Private company limited by shares | Live |
| Sino United Resources (HongKong) Limited | Private company limited by shares | Live |
| NA Sing Sing Entertainment Limited | Private company limited by shares | Live |
| Sinohk Link Capital Limited | Private company limited by shares | Live |
| SINOFIBER LIMITED | Private company limited by shares | Live |
| SINO GREAT INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOHK GALAXY ASSETS INVESTMENT MANAGEMENT LIMITED | Private company limited by shares | Live |
| FINE SINCERE CONSULTING LIMITED | Private company limited by shares | Live |
| WAI SING EQUIPMENT COMPANY LIMITED | Private company limited by shares | Live |
| Sinoplastic Packaging Technology Co., Limited | Private company limited by shares | Live |
| SINO SEED LIMITED | Private company limited by shares | Live |
| SINO RARE EARTHS LIMITED | Private company limited by shares | Live |
| SINO KING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| Sinoycloud Limited | Private company limited by shares | Live |
| SINO FAMOUS LIMITED | Private company limited by shares | Live |
| SINO SKY INTERNATIONAL GROUP HOLDING LIMITED | Private company limited by shares | Live |
| SINO COSMETIC INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| GREAT SINO CREATION LIMITED | Private company limited by shares | Live |
| Sinoxtrade Limited | Private company limited by shares | Live |
| Sinowish Holding Co., Limited | Private company limited by shares | Live |
| SING SAIL (HK) LIMITED | Private company limited by shares | Live |
| Sincere Health Care Limited | Private company limited by shares | Live |
| SINOTRANS E COMMERCE LIMITED | Private company limited by shares | Live |
| SINO CHEER TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Singhing (Hong Kong) Co., Limited | Private company limited by shares | Live |
| EASTERN SINOLAND LIMITED | Private company limited by shares | Live |
| UNITED SINO (H.K.) LIMITED | Private company limited by shares | Live |
| SINO GLORY TRADING LIMITED | Private company limited by shares | Live |
| YUK SING GROUP TRADING LIMITED | Private company limited by shares | Live |
| Sinobridge Industrial Co., Limited | Private company limited by shares | Live |
| SINO LINGUISTIC EDUCATION GROUP CO., LIMITED | Private company limited by shares | Live |
| SINOX RESOURCES LIMITED | Private company limited by shares | Live |
| Sino Trade Enterprises Limited | Private company limited by shares | Live |
| SINO VISION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINOVIA HOLDINGS LIMITED | Private company limited by shares | Live |
| SURPLUS SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINOPHEE LIMITED | Private company limited by shares | Live |
| SINO CITI HOLDING GROUP LIMITED | Private company limited by shares | Live |
| Sinosun Ocean Shipping Limited | Private company limited by shares | Live |
| GOOD SINO FINANCE LIMITED | Private company limited by shares | Live |
| HK AN&JIA SINO-KOREA TRADE LIMITED | Private company limited by shares | Live |
| Sing Fat International Company Limited | Private company limited by shares | Live |
| Sino Roots & Squares Consultation Company Limited | Private company limited by shares | Live |
| Sino Zenith Construction Limited | Private company limited by shares | Live |
| SINATEC SENSORS LIMITED | Private company limited by shares | Live |
| SINOCOLOR CO., LIMITED | Private company limited by shares | Live |
| Sinopharma Limited | Private company limited by shares | Live |
| SINGSUN COMPANY LIMITED | Private company limited by shares | Live |
| Sincere Consultancy Limited | Private company limited by shares | Live |
| CHINA SINO INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| Sino Harbour Bio Technology Limited | Private company limited by shares | Live |
| SING KEE SEAFOOD LIMITED | Private company limited by shares | Live |
| SINO SURPLUS TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| MASTER SINCERE INVESTMENT LIMITED | Private company limited by shares | Live |
| POLY SINO CAPITAL LIMITED | Private company limited by shares | Live |
| BRIGHT SINO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO IDO MACHINERY CO., LIMITED | Private company limited by shares | Live |
| SINO SOURCE TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| Sinophi Proton Limited | Private company limited by shares | Live |
| SINO VANTAGE HONG KONG LIMITED | Private company limited by shares | Live |
| SINO HERO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINOLATIN PETROLEUM AND DRILLING CORPORATION LIMITED | Private company limited by shares | Live |
| Sinogo Mining & Metallurgy Engineering Technology Co., Limited | Private company limited by shares | Live |
| BEST SINO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SMART SINO TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO JOY TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| SINO OFFSHORE1 LIMITED | Private company limited by shares | Live |
| SINO OFFSHORE2 LIMITED | Private company limited by shares | Live |
| Ka Sing Trading Limited | Private company limited by shares | Live |
| TIN SING PROPERTY AGENCY LIMITED | Private company limited by shares | Live |
| SINCERE REACH LIMITED | Private company limited by shares | Live |
| Sino Kangmay Medical Group Management Limited | Private company limited by shares | Live |
| SINO SHINING LIMITED | Private company limited by shares | Live |
| Concept Single Limited | Private company limited by shares | Live |
| Sino Eco Green Limited | Private company limited by shares | Live |
| CHINA SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO SPRING GROUP LIMITED | Private company limited by shares | Live |
| Sino LNG International Limited | Private company limited by shares | Live |
| SINO-HK MEDICAL UNION GROUP LIMITED | Private company limited by shares | Live |
| SINOPOWER PROPERTY LIMITED | Private company limited by shares | Live |
| SINTO International Company Limited | Private company limited by shares | Live |
| SINOWORLD INC LIMITED | Private company limited by shares | Live |
| SING LUNG SANITARY WARE LIMITED | Private company limited by shares | Live |
| Sino Zenith (HK) Limited | Private company limited by shares | Live |
| SINO GREATEST LIMITED | Private company limited by shares | Live |