| SINGER INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINCERE CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING WAH PLASTIC FACTORY LIMITED | Private company limited by shares | Dissolved |
| SINO LAND COMPANY LIMITED | Public company limited by shares | Live |
| SINO-AFRICAN-AMERICAN TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOP SING LUNG OYSTER SAUCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| YUNG SING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SILOTA COMPANY LIMITED | Private company limited by shares | Dissolved |
| WANG LEE SING KEE COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOWLOON SILK STORE LIMITED | Private company limited by shares | Dissolved |
| A-ONE SIGHTSEEING LIMITED | Private company limited by shares | Live |
| MOU SING HONG LIMITED | Private company limited by shares | Dissolved |
| SINCERE MUTUAL AID ASSOCIATION LIMITED -THE- | Company limited by guarantee | Dissolved |
| SIMPLEX ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| A. J. SIRIS EASTERN LIMITED | Private company limited by shares | Dissolved |
| TAI SING FAT TONG, KOWLOON, COMPANY LIMITED | Company limited by guarantee | Live |
| SINTASAM LIMITED | Private company limited by shares | Dissolved |
| SING WO INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING KONG REALTY LIMITED | Private company limited by shares | Dissolved |
| SINGING PHOENIX RESTAURANT LIMITED -THE- | Private company limited by shares | Dissolved |
| SING POK ENTERPRISES LIMITED | Private company limited by shares | Live |
| KAM SING MANUFACTURING COMPANY, LIMITED | Private company limited by shares | Live |
| SING SHING RESTAURANT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUTH CHINA SILK MANTLE FACTORY LIMITED | Private company limited by shares | Dissolved |
| NAN SING MARINE CORPORATION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SINCERE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIMONE BOUTIQUE LIMITED | Private company limited by shares | Dissolved |
| SINMA INVESTMENT, LIMITED | Private company limited by shares | Dissolved |
| DRAGON SILK COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| SING SEE CHIT GAI LIMITED | Private company limited by shares | Dissolved |
| SIMANGGANG SAWMILL COMPANY LIMITED | Private company limited by shares | Live |
| SINO STUDIO LIMITED | Private company limited by shares | Dissolved |
| HING SING ESTATES LIMITED | Private company limited by shares | Dissolved |
| SIRIUS ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SILTER INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SING SHING SHOES MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| EAST CHINA SILK COMPANY LIMITED | Private company limited by shares | Dissolved |
| FLORA SILK COMPANY LIMITED -THE- | Private company limited by shares | Dissolved |
| KONG SING GLOVE COMPANY LIMITED | Private company limited by shares | Dissolved |
| WONG WU SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SICO TRADING COMPANY LIMITED | Private company limited by shares | Live |
| MAN SING HING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CONTACTS ASSOCIATES (SILK) LIMITED | Private company limited by shares | Dissolved |
| SING FAI COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING SHING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINO PACIFIC CORPORATION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SHUI SING COMPANY, LIMITED | Private company limited by shares | Live |
| CHAN SING HOI ENTERPRISES LIMITED | Private company limited by shares | Live |
| SILVERCORD FINANCE LIMITED | Private company limited by shares | Live |
| SINOSCOT LIMITED | Private company limited by shares | Dissolved |
| TAI SING ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIN SING PRINTING ARTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SOUTH EAST ASIA TRADING COMPANY (SIAM) LIMITED | Private company limited by shares | Live |
| KONG SING INVESTMENTS & ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIMS METAL MANAGEMENT ASIA LIMITED | Private company limited by shares | Live |
| YIU SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HEY SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SUPERB SIZING WORKS LIMITED | Private company limited by shares | Dissolved |
| SINGLEWOOD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YAT SING LIMITED | Private company limited by shares | Dissolved |
| SICHUAN ADVISORY LIMITED | Private company limited by shares | Dissolved |
| SINCERE SUPPLIERS LIMITED | Private company limited by shares | Dissolved |
| SIROCCO COMPANY LIMITED | Private company limited by shares | Dissolved |
| SIMIA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WO CHUNG SING CONFECTIONERY LIMITED | Private company limited by shares | Dissolved |
| PO SING ELECTRONICS COMPANY LIMITED | Private company limited by shares | Dissolved |
| SILVERDALE REALTY LIMITED | Private company limited by shares | Dissolved |
| KIM & THREE SISTERS COMPANY LIMITED | Private company limited by shares | Dissolved |
| DAH SING FINANCE LIMITED | Private company limited by shares | Live |
| SIU'S GEM CORPORATION LIMITED | Private company limited by shares | Live |
| SING WO CHONG INVESTMENT COMPANY, LIMITED | Private company limited by shares | Live |
| TAK SING CHONG INVESTMENT COMPANY, LIMITED | Private company limited by shares | Live |
| SILVESTMENT LIMITED | Private company limited by shares | Dissolved |
| GIP SING GARMENT FACTORY LIMITED | Private company limited by shares | Dissolved |
| WING TAI SING INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| TO SING FAMILY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAK SING ALLIANCE LIMITED | Private company limited by shares | Live |
| SINGAPORE-MALASIAN INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| SIGHT-IN ESTATE & INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SINADA SALES LIMITED | Private company limited by shares | Dissolved |
| SINO TELEVISION LIMITED | Private company limited by shares | Dissolved |
| SINTEX PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| SING CHEONG POLYETHYLENE PRODUCTS, LIMITED | Private company limited by shares | Dissolved |
| SINEWY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WUI SING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| CHUA KUNG SIEW LIMITED | Private company limited by shares | Dissolved |
| SILVER DRAGON COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINDO HOLDING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| SING HING ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| HEUNG SING PROPERTIES & INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SINGPOLI LIMITED | Private company limited by shares | Dissolved |
| TAI SING WATCH COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINKAREX FINANCE & INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SILAYAN CORPORATION, LIMITED | Private company limited by shares | Dissolved |
| TAI HING SING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| SIGHTWORTHY PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| TAI SING WATCH COMPANY (KOWLOON) LIMITED | Private company limited by shares | Dissolved |
| SINO CINE (HONG KONG) COMPANY, LIMITED | Private company limited by shares | Dissolved |
| CHE SING NAVIGATION (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SIMEXPORT LIMITED | Private company limited by shares | Dissolved |