| KAM SING INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINOMAC ENTERPRISE LIMITED | Private company limited by shares | Live |
| CHAMPION SIGNAL LIMITED | Private company limited by shares | Dissolved |
| SING LEE TRANSPORTATION ENG. CO. LIMITED | Private company limited by shares | Live |
| HONEST SINCERE LIMITED | Private company limited by shares | Dissolved |
| SING CHEONG LUNG LIMITED | Private company limited by shares | Live |
| SIMPLE INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINECURE LIMITED | Private company limited by shares | Dissolved |
| SEC SINO ENERGY (OIL & GAS EXPLORATION) CORPORATION LIMITED | Private company limited by shares | Dissolved |
| GLORY SINO INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| NAM SING INDUSTRIAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SINO INTEGRATED TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINO LAKE LIMITED | Private company limited by shares | Dissolved |
| SINO TECH INVESTMENT LIMITED | Private company limited by shares | Live |
| KWAN SING CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| SING TAO PUBLISHING LIMITED | Private company limited by shares | Live Ceased dormancy on 20-Jan-2003 |
| KEI SING AIR-CONDITIONING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCERE LINK ASSET MANAGEMENT LIMITED | Private company limited by shares | Live |
| WHOLE SING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| GLORY SINO TRADING LIMITED | Private company limited by shares | Dissolved |
| SINO-HK INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING HO LIMITED | Private company limited by shares | Dissolved |
| ROYAL SIAM (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SINOEURO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SINCERE VIEW LIMITED | Private company limited by shares | Dissolved |
| SINO BRIGHT FINANCE LIMITED | Private company limited by shares | Dissolved |
| SMART SINO CONSULTANTS LIMITED | Private company limited by shares | Live |
| SIGNTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO BENEFIT LIMITED | Private company limited by shares | Live |
| SINO LINK ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SING PAO MEDIA GROUP LIMITED | Private company limited by shares | Dissolved |
| SINCERE CAPITAL LIMITED | Private company limited by shares | Live |
| SILVER FOREST LIMITED | Private company limited by shares | Dissolved |
| SINOPOWER ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| LONG SIGHT LIMITED | Private company limited by shares | Dissolved |
| SINO PINE LIMITED | Private company limited by shares | Live |
| SINO ASCENT LIMITED | Private company limited by shares | Dissolved |
| SILVER ZONE LIMITED | Private company limited by shares | Dissolved |
| SINO ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO MASONIC CHARITY FOUNDATION LIMITED | Company limited by guarantee | Dissolved |
| SING LEE ENGINEERING AND CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| SINO METAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SIMPSONS INVESTMENT LIMITED | Private company limited by shares | Live |
| HIP SING HK INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| S.I.L.K. SYSTEM LIMITED | Private company limited by shares | Dissolved |
| SINBAD MORTGAGE (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAH SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIMPLE WORLD HOLDINGS LIMITED | Private company limited by shares | Live |
| TAIWAN SICAMA SEWING MACHINE CO., LIMITED | Private company limited by shares | Dissolved |
| SIGNTEC LIMITED | Private company limited by shares | Dissolved |
| TAK SING-STEELS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO WINGS ASIA LIMITED | Private company limited by shares | Dissolved |
| ETERNAL SINO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SILICON VALLEY INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SIKI ENTERPRISE CO. LIMITED | Private company limited by shares | Dissolved |
| SING FLY CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO-HK INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINCERE LUCK TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SILVATON LIMITED | Private company limited by shares | Live |
| SINO VENTURE TRADING LIMITED | Private company limited by shares | Dissolved |
| SILVERLINE AUDIO (ASIA) LIMITED | Private company limited by shares | Dissolved |
| SINO TECH SHIPPING LIMITED | Private company limited by shares | Dissolved |
| SINOCON LIMITED | Private company limited by shares | Live |
| EAST SINO INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SINO EAGLE LIMITED | Private company limited by shares | Dissolved |
| SILVERQUEST HONG KONG LIMITED | Private company limited by shares | Dissolved |
| CAPITAL GATEWAY SICE (HONG KONG) LIMITED | Private company limited by shares | Live |
| SIROCCO TECHNOLOGIES (HK) GROUP LIMITED | Private company limited by shares | Dissolved |
| SIMPLE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SILVERSTONE TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SINCERITY FINANCE LIMITED | Private company limited by shares | Dissolved |
| SINOPLAN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| SINO PACIFIC TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| ORIENT SINO LIMITED | Private company limited by shares | Dissolved |
| HOI SILK TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIMPLEX LIMITED | Private company limited by shares | Dissolved |
| SINO ELITE (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINGLE TREE ART INDUSTRY CO. LIMITED | Private company limited by shares | Live |
| SING FIELD ENGINEERING LIMITED | Private company limited by shares | Live |
| SILKWAY LIMITED | Private company limited by shares | Live |
| SINOMAC INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SILKWAY ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| NICE SINO LIMITED | Private company limited by shares | Live |
| SINO CREATION LIMITED | Private company limited by shares | Dissolved |
| HANG SING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| BIG SINO (HONG KONG) INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINO ASCENT INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINO VANTAGE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SINO ENTERPRISES LIMITED | Private company limited by shares | Live |
| SIMPLEX CAPITAL ASIA LIMITED | Private company limited by shares | Live |
| SINO GRAND LIMITED | Private company limited by shares | Dissolved |
| SINO RICH (H.K.) LIMITED | Private company limited by shares | Dissolved |
| PLUS SINO LIMITED | Private company limited by shares | Dissolved |
| SINO STAR ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TAK SING CONTRACTORS LIMITED | Private company limited by shares | Dissolved |
| WAH SING INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINO VIEW (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SING CHANG TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO ROYAL LIMITED | Private company limited by shares | Dissolved |
| ELECTROTECH SIGN & DISPLAY LIMITED | Private company limited by shares | Dissolved |