| HANG SING (HONG KONG) INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO LEADER PROPERTIES LIMITED | Private company limited by shares | Live |
| FRANCE PROVENCE CHATEAU (SINO-FRENCH JOINT VENTURE) LIMITED | Private company limited by shares | Dissolved |
| EXCELLENT SINO LIMITED | Private company limited by shares | Dissolved |
| SINC TRADE LIMITED | Private company limited by shares | Dissolved |
| HK SINOTRADE INT'L LIMITED | Private company limited by shares | Dissolved |
| SINO YIDA INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Sino Truth Property Consultancy Limited | Private company limited by shares | Live |
| GUANGZHOU SINO GROUP CO., LIMITED | Private company limited by shares | Live |
| SINO EAST TRANSPORTATION LIMITED | Private company limited by shares | Live |
| SINO DRAGON PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SINEST INTERNATIONAL INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| SINO SOURCING (ASIA) LIMITED | Private company limited by shares | Live |
| HONG KONG SUN SING CITY ENTERTAINMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO EASTERN LIMITED | Private company limited by shares | Live |
| SINO RENEWABLE ENERGY HOLDING LIMITED | Private company limited by shares | Dissolved |
| SINOSTAR SCIENTECH CO., LIMITED | Private company limited by shares | Live |
| SINO WELL INDUSTRY LIMITED | Private company limited by shares | Live |
| SinoBev Limited | Private company limited by shares | Live |
| SINO SEASON LIMITED | Private company limited by shares | Live |
| Sinofor Industrial Group Limited | Private company limited by shares | Dissolved |
| SINOLUMI LED LIMITED | Private company limited by shares | Live |
| SINO INDUSTRY (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINEA INVESTMENT CO., LIMITED | Private company limited by shares | Live |
| SINOTECH ENTERPRISES (HOLDING) LIMITED | Private company limited by shares | Dissolved |
| SINO RICHES LIMITED | Private company limited by shares | Live |
| SINRONG INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO PEAK LIMITED | Private company limited by shares | Dissolved |
| SINO-SINCERE TECHNOLOGY (INT'L) LIMITED | Private company limited by shares | Dissolved |
| SINGHIGH INTERNATIONAL TRADE LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI SINOBOO INDUSTRIAL CORPORATION LIMITED | Private company limited by shares | Dissolved |
| Chi Sing Engineering (HK) Company Limited | Private company limited by shares | Live |
| WING SING MANAGEMENT SERVICE COMPANY LIMITED | Private company limited by shares | Live |
| BRIGHT SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| EVER SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO EAGLE (H.K.) LIMITED | Private company limited by shares | Live |
| SINOGEAR LIMITED | Private company limited by shares | Live |
| GREAT SINO SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINOTEX INVESTMENT (GROUP) LIMITED | Private company limited by shares | Dissolved |
| SINOTEC INDUSTRIES CO., LIMITED | Private company limited by shares | Live |
| SINO ASCENT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO GREAT INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SING KAM ELECTRONIC (HK) CO., LIMITED | Private company limited by shares | Live |
| HONGKONG SINVA INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| SINGTHONG (HK) LIMITED | Private company limited by shares | Dissolved |
| SINO ORIENTAL INVESTMENT LIMITED | Private company limited by shares | Live |
| SINICTRANS GLOBAL CO LIMITED | Private company limited by shares | Live |
| SINO TREASURE CREATION LIMITED | Private company limited by shares | Live |
| SINTAIYOU GROUP INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| SingOn Productions Limited | Private company limited by shares | Live |
| SINCERITY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SINO PASSION LIMITED | Private company limited by shares | Live |
| SINOTREND ENTERPRISES LIMITED | Private company limited by shares | Live |
| CROWN SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO LEISURE AND HOTEL FURNITURE LIMITED | Private company limited by shares | Live |
| SINOCOMM CONSULTING (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO GLORY (GROUP) INVEST LIMITED | Private company limited by shares | Live |
| SINO DYNAMIC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| CENTURY SINO INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO ACCORD INVESTMENT LIMITED | Private company limited by shares | Live |
| Sinotex Classic Limited | Private company limited by shares | Live |
| FAVOUR SINO LIMITED | Private company limited by shares | Live |
| SINGER ENTERPRISE CO., LIMITED | Private company limited by shares | Live |
| RICH SINO TRADING LIMITED | Private company limited by shares | Live |
| Sino-HK International Industrial (Holdings) Co., Limited | Private company limited by shares | Live |
| GRACE SINO LIMITED | Private company limited by shares | Live |
| Sino Renewable Limited | Private company limited by shares | Live |
| KAM SING APARTMENT LIMITED | Private company limited by shares | Live |
| SINO NUTRITION LIMITED | Private company limited by shares | Live |
| DRAGON SINO LIMITED | Private company limited by shares | Live |
| Sino Global Entertainment Limited | Private company limited by shares | Live |
| SINONE TECHNOLOGY CO., LIMITED | Private company limited by shares | Dissolved |
| CROWN SINO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO HARBOUR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINOWICK INVESTMENT LIMITED | Private company limited by shares | Live |
| SINO CHOICE (H.K.) LIMITED | Private company limited by shares | Live |
| SINO AUSTRALIA INTERNATIONAL COMMERCIAL CO., LIMITED | Private company limited by shares | Live |
| SINO BEST INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINOHERBEX CO., LIMITED | Private company limited by shares | Live |
| HANG SING INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO-POWER (HONGKONG) TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BRITISH SINXLONG INTERNATIONAL CO., LIMITED | Private company limited by shares | Dissolved |
| SHENZHEN SINTEK DIGITAL CO., LIMITED | Private company limited by shares | Live |
| KAM SING COMPANY LIMITED | Private company limited by shares | Live |
| TOP SINO LIMITED | Private company limited by shares | Live |
| SINO CHINA INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO NATION LIMITED | Private company limited by shares | Live |
| SINO COSMOS INVESTMENTS LIMITED | Private company limited by shares | Live |
| CHAN HO SING FOUNDATION LIMITED | Company limited by guarantee | Live |
| SINO HERO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINOCORP (H.K.) LIMITED | Private company limited by shares | Live |
| SINO IMAGE (H.K.) LIMITED | Private company limited by shares | Live |
| SINO DRAGON INVESTMENT (GROUP) LIMITED | Private company limited by shares | Dissolved |
| CHINA SINCERE (HONG KONG) RESOURCES LIMITED | Private company limited by shares | Dissolved |
| Sino Any-Tech Co., Limited | Private company limited by shares | Live |
| SINO GOGING GROUP LIMITED | Private company limited by shares | Dissolved |
| KA SING TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO WEST INVESTMENT & MANAGEMENT LIMITED | Private company limited by shares | Live |
| SINO-WEALTH (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Singaoptix Limited | Private company limited by shares | Live |