| WANG SING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| SING WANG HONGKONG LIMITED | | Live |
| SING WANG INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| WANG SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| WANG SING INTERNATIONAL RESOURCES LIMITED | Private company limited by shares | Live |
| WANG SING SENG LIMITED | Private company limited by shares | Dissolved |
| SING WANG TRADE LIMITED | Private company limited by shares | Live |
| SING LUNG SANITARY WARE LIMITED | Private company limited by shares | Live |
| SING WONG PLASTIC WARE LIMITED | Private company limited by shares | Dissolved |
| SING WARM TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAI SING WATCH COMPANY LIMITED | Private company limited by shares | Dissolved |
| TIN SING WATCH LIMITED | Private company limited by shares | Dissolved |
| SING TAK LI WATCH LIMITED | Private company limited by shares | Dissolved |
| YAT SING WATCH COMPANY LIMITED | Private company limited by shares | Dissolved |
| YAT SING WATCH LIMITED | | Live |
| Koi Sing Watch Limited | | Live |
| YUEN SING JEWELLERY & WATCH LIMITED | Private company limited by shares | Live |
| TAI SING WATCH COMPANY (KOWLOON) LIMITED | Private company limited by shares | Dissolved |
| MING SING WEALTH LIMITED | Private company limited by shares | Dissolved |
| TAI MING SING KEE WEAVING MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| SING SUNG WEAVING FACTORY LIMITED | Private company limited by shares | Dissolved |
| WEGA-CHEONG SING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SING ON WELL (HK) COMPANY LIMITED | Private company limited by shares | Live |
| Sing Well (HK) Company Limited | Private company limited by shares | Live |
| SING WELL PROPERTIES LIMITED | Private company limited by shares | Live Commenced dormancy on 21-Nov-1998 |
| SING KWONG (W.F.) PLASTIC MANUFACTORY LIMITED | Private company limited by shares | Live |
| Whale Sing Network Technology Limited | | Live |
| WHOLE SING LIMITED | Private company limited by shares | Dissolved |
| Tak Sing Wholesale Limited | Private company limited by shares | Live |
| SING WICK ASSOCIATION LIMITED | Private company limited by shares | Live |
| Wind Sing Limited | | Live |
| PO SING WINE LIMITED | Private company limited by shares | Dissolved |
| WING SING FAT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| WING SING WO COMPANY LIMITED | Private company limited by shares | Dissolved |
| LEE WING SING LIMITED | Private company limited by shares | Dissolved |
| WING SING LIMITED | Private company limited by shares | Dissolved |
| WING SING COMPANY LIMITED | Private company limited by shares | Live |
| Wing Sing E&M Limited | Private company limited by shares | Live |
| WING SING (ASIA) LIMITED | Private company limited by shares | Live |
| WING SING (BROS) LIMITED | Private company limited by shares | Live |
| Sing Wing Catering Limited | | Live |
| WING SING CLEANING LIMITED | | Live |
| Wing Sing Communications Limited | | Live |
| WING SING ELCTRONIC (HK) LIMITED | Private company limited by shares | Live |
| WING SING ELECTRO-PLATING LIMITED | Private company limited by shares | Live |
| WING SING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WING SING ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| WING SING FINANCE LIMITED | Private company limited by shares | Dissolved |
| Wing Sing Finance Company Limited | Private company limited by shares | Live |
| WING SING GARMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING SING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| WING SING INTERNATIONAL HK LIMITED | Private company limited by shares | Dissolved |
| WING SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING TAI SING INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| WING SING TAI INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WING SING INVESTMENT LIMITED | Private company limited by shares | Live |
| WING SING INVESTMENTS LIMITED | Private company limited by shares | Live |
| WING SING JEWELLERY CO. LIMITED | Private company limited by shares | Dissolved |
| WING SING LOGISTIC LIMITED | Private company limited by shares | Live |
| WING SING MANUFACTORY COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING SING PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| Sing Wing Rehabilitation Limited | Private company limited by shares | Live |
| Wing Sing Restaurant Company Limited | Private company limited by shares | Live |
| WING SING TEXTILES COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING SING TIMBER COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING SING (HK TRADE) COMPANY LIMITED | Private company limited by shares | Live |
| WINNER SING TECHNOLOGY LIMITED | Private company limited by shares | Live |
| WINTER SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING KONG CABLE AND WIRE COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUN SING ELECTRIC WIRE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Sing Wise Limited | Private company limited by shares | Live |
| SING YI WISH LIMITED | Private company limited by shares | Live |
| SING A WISH LIMITED | | Live |
| WONG SING LAM COMPANY LIMITED | Private company limited by shares | Dissolved |
| WONG YAT SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| H. K. WONG SING LIMITED | Private company limited by shares | Live |
| Wong Sing Man Chau Limited | Private company limited by shares | Live |
| SING WONG CO., LIMITED | Private company limited by shares | Live |
| Coeng Sing Wong Trade Co., Limited | Private company limited by shares | Live |
| SING WONG GROUP LIMITED | Private company limited by shares | Live |
| Wong Sing Group Co., Limited | Private company limited by shares | Live |
| TIN WONG SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WONG WU SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING WONG INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| WONG SING DA TRADING LIMITED | Private company limited by shares | Live |
| Sing Wong International Trading Company Limited | | Live |
| SING WOOD GARMENTS CO., LIMITED | Private company limited by shares | Dissolved |
| KIN SING DOOR & WOOD CO., LIMITED | Private company limited by shares | Dissolved |
| WAI SING FLOORING & WOOD WORKING LIMITED | Private company limited by shares | Dissolved |
| SING LEE WOODS LIMITED | Private company limited by shares | Dissolved |
| Sing Woon Limited | Private company limited by shares | Live |
| LOK SING WORKING PLATFORM LIMITED | Private company limited by shares | Live |
| IP SING ART WORKS LIMITED | Private company limited by shares | Live |
| CHUEN SING STAGE WORKS LIMITED | Private company limited by shares | Live |
| CHUEN SING WORKS CO., LIMITED | Private company limited by shares | Dissolved |
| WAH SING GLASS WORKS COMPANY LIMITED | Private company limited by shares | Live |
| HANG SING MACHINERY WORKS LIMITED | Private company limited by shares | Dissolved |
| KAM SING MARBLE WORKS LIMITED | Private company limited by shares | Live |
| HO SING METAL WORKS LIMITED | Private company limited by shares | Live Commenced dormancy on 20-Aug-2012 |
| SING KEE METAL WORKS FACTORY LIMITED | Private company limited by shares | Dissolved |