| SINOGAIN INDUSTRIAL LIMITED | Private company limited by shares | Live |
| CHE SING LABEL CO., LIMITED | Private company limited by shares | Live |
| KIN SING ELECTRONIC (ENGINEERING) LIMITED | Private company limited by shares | Dissolved |
| SING PING ENG. LIMITED | Private company limited by shares | Live |
| SINO EXCOM INVESTMENT GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO SUCCESS TECHNOLOGY LIMITED | Private company limited by shares | Live |
| SinoReach Venture Limited | Private company limited by shares | Dissolved |
| SINO-GERMAN ENGINEERING & TRADE CO., LIMITED | Private company limited by shares | Live |
| SINO-GERMAN CONSULTING & TRADE CO., LIMITED | Private company limited by shares | Live |
| H. K. WONG SING LIMITED | Private company limited by shares | Live |
| SINO-HK INVESTMENT CONSULTANT LIMITED | Private company limited by shares | Live |
| SINOEURO LIMITED | Private company limited by shares | Live |
| HONG KONG SINO CREDIT ELECTRONICS LIMITED | Private company limited by shares | Dissolved |
| DUNG SING MAGNETICS COMPANY LIMITED | Private company limited by shares | Live |
| SINO PROSPER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINGH ENTERPRISE PVT LIMITED | Private company limited by shares | Dissolved |
| SINO CONCEPT TRADING LIMITED | Private company limited by shares | Live |
| EURO SINO SOURCING LIMITED | Private company limited by shares | Dissolved |
| PORATH SINO TRADING HK LIMITED | Private company limited by shares | Live |
| SINOTEAM ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SinoTalents Limited | Private company limited by shares | Dissolved |
| SINOWIN PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SINO COMPUTER SERVICE LIMITED | Private company limited by shares | Live |
| SINOSTAR SHIPBROKERS (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| SINOJIE HANSON LIMITED | Private company limited by shares | Live |
| SINO GLOBE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO VALLEY LIMITED | Private company limited by shares | Dissolved |
| COENG SING METAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING YIP ENTERPRISE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINOMANIA HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO FORD (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SINO GATE LIMITED | Private company limited by shares | Live |
| SINO DRAGON INT'L GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO ART AUCTIONEERS LIMITED | Private company limited by shares | Live |
| SINO NATION LIMITED | Private company limited by shares | Dissolved |
| SINOTRANS CORPORATION LIMITED | Private company limited by shares | Dissolved |
| SINO PLATFORM INT'L TRADE LIMITED | Private company limited by shares | Dissolved |
| SINOTEC CAPITAL LIMITED | Private company limited by shares | Dissolved |
| SINOGLORY GROUP LIMITED | Private company limited by shares | Dissolved |
| SINGAPORE CVUEUV PETROLEUM CHEMICAL INDUSTRY INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO AMERICAN LIMITED | Private company limited by shares | Dissolved |
| WAN SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO TEXTILES COMPANY LIMITED | Private company limited by shares | Dissolved |
| RAISE SINO (HK) LIMITED | Private company limited by shares | Dissolved |
| SINOX GLOBAL LIMITED | Private company limited by shares | Live |
| SING NGAI METAL WORKS LIMITED | Private company limited by shares | Live |
| ANGLO SINO RESOURCES LIMITED | Private company limited by shares | Dissolved |
| WUI SING CATERING ENTERTAINMENT MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| SINO GOLF SOURCING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO WORLD TRADING LIMITED | Private company limited by shares | Live |
| SINO EMPIRE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO FORTUNE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SINO RANK INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINOEVENT LIMITED | Private company limited by shares | Dissolved |
| TAK SING PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| SINO STATE HONG KONG LIMITED | Private company limited by shares | Live |
| SINO STATE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINALOG INTERNATIONAL LOGISTICS CO., LIMITED | Private company limited by shares | Live |
| WAH SING ADVERTISING (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO FORCE CORPORATION LIMITED | Private company limited by shares | Live |
| Sino International Business & Investments Limited | Private company limited by shares | Dissolved |
| AKK SinoTek Limited | Private company limited by shares | Live |
| SINO-MAGNET CO., LIMITED | Private company limited by shares | Dissolved |
| HING SING ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| SINO FLYER LIMITED | Private company limited by shares | Dissolved |
| SINO AUTO PARTS RESOURCES CO. LIMITED | Private company limited by shares | Dissolved |
| SING CHUNG INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WING SING MARBLE WORKS LIMITED | Private company limited by shares | Dissolved |
| LAP SING EDUCATIONAL CHARITY FUNDING LIMITED | Company limited by guarantee | Live |
| SINO AGROCHEM CO., LIMITED | Private company limited by shares | Live |
| SINO BIO SCIENCE LIMITED | Private company limited by shares | Dissolved |
| SINO DRAGON LIMITED | Private company limited by shares | Live |
| SING DA SEE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| KO SING MOTOR COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUTH SINO INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO JOYCE GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO ACHIEVE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| YIP SING (HONG KONG) LIMITED | Private company limited by shares | Live |
| SINO RIVER CORPORATION LIMITED | Private company limited by shares | Dissolved |
| EXCELLENT SINO LIMITED | Private company limited by shares | Dissolved |
| GREEN SINO LIMITED | Private company limited by shares | Live |
| SINO KING LIMITED | Private company limited by shares | Dissolved |
| Sino Leasing Holding Group Limited | Private company limited by shares | Live |
| SINO-LINK (HONG KONG) MANAGEMENT CONSULTANT CO. LIMITED | Private company limited by shares | Dissolved |
| SINO PLAN HONG KONG LIMITED | Private company limited by shares | Dissolved |
| SINO PLAN TRADING LIMITED | Private company limited by shares | Live |
| SINO LINK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINCONI CO., LIMITED | Private company limited by shares | Live |
| SINCE RAY LIMITED | Private company limited by shares | Live |
| SINCERE ENTERPRISE LIMITED | Private company limited by shares | Live |
| SINO FORTUNE UNIVERSAL LIMITED | Private company limited by shares | Dissolved |
| SINO FORTUNE CHINA LIMITED | Private company limited by shares | Live |
| SINOMAGAZINE LIMITED | Private company limited by shares | Dissolved |
| SINOGLORY ENTERPRISES GROUP LIMITED | Private company limited by shares | Dissolved |
| SINO PACIFIC INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| EXCEL SINO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO CONCEPT FAR EAST LIMITED | Private company limited by shares | Live |
| SINO GLORY ENTERPRISES LIMITED | Private company limited by shares | Live |
| SINO LINK PROPERTIES LIMITED | Private company limited by shares | Live |
| SINCERE VICTORY LIMITED | Private company limited by shares | Dissolved |