| 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 |
| SING WAI METAL WORKS FACTORY LIMITED | Private company limited by shares | Dissolved |
| SING NGAI METAL WORKS LIMITED | Private company limited by shares | Live |
| SING FAI SCREWS & METAL WORKS LIMITED | Private company limited by shares | Live |
| HO SING SCAFFOLDING WORKS LIMITED | Private company limited by shares | Dissolved |
| WING SING MARBLE WORKS LIMITED | Private company limited by shares | Dissolved |
| O Sing Design Workshop Limited | Private company limited by shares | Live |
| SING WORLD LIMITED | Private company limited by shares | Dissolved |
| YANG SING INTERNATIONAL (HK) COMPANY LIMITED | Private company limited by shares | Live |
| San Sing Yang International Limited | Private company limited by shares | Live |
| SING YANG TRADING LIMITED | Private company limited by shares | Live |
| Sing Yeahoo Limited | Private company limited by shares | Live |
| SUN YEUNG SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Hin Yeung Sing (HK) Limited | Private company limited by shares | Live |
| YEUNG SING PO INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING YEUNG MANUFACTURING LIMITED | Private company limited by shares | Dissolved |
| KONG SING YEUNG TECHNOLOGY LIMITED | Private company limited by shares | Live |
| HK SING YEUNG TRADING LIMITED | Private company limited by shares | Live |
| YIELD SING LIMITED | | Live |
| LIN SING YIJING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| SING YING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sing Ying Company Limited | Private company limited by shares | Dissolved |
| SING YING ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| YING SING INTERNATIONAL EXCHANGE LIMITED | Private company limited by shares | Live |
| Ying Sing Garment Company Limited | Private company limited by shares | Live |
| YING SING KNITTING COMPANY LIMITED | Private company limited by shares | Live |
| SING YING METAL ENGINEER LIMITED | Private company limited by shares | Live |
| YING SING NETWORK LIMITED | Private company limited by shares | Live |
| YING SING TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SING YING TRADING LIMITED | Private company limited by shares | Live |
| SING YIP(STARLIFE) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Yiwu Sing Hop Trading Limited | | Live |
| YONG SING SHIPPING COMPANY LIMITED | | Live |
| YORK SING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YORK SING LOGISTIC LIMITED | Private company limited by shares | Live |
| YORK SING TRADE LIMITED | Private company limited by shares | Live |
| YOUNG SING (H.K.) CO. LIMITED | Private company limited by shares | Dissolved |
| YOUNG SING (H.K.) CO. LIMITED | Private company limited by shares | Live |
| SING YOUR NAME HK LIMITED | Private company limited by shares | Live |
| PO YUEN SING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| SUN SING YUEN COMPANY, LIMITED | Private company limited by shares | Dissolved |
| YUEN SING YUEN LIMITED | Company limited by guarantee | Live |
| YUEN SING LIMITED | Private company limited by shares | Live |
| Sing Lik Yuen Company Limited | Private company limited by shares | Live |
| Chiu Sing Yuen Limited | Private company limited by shares | Live |
| Sing Yuet Limited | | Live |
| SING YUET INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| YUET SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| YU'S TIN SING ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOP SING (YU'S) INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| YU'S SING WAI TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| LUNG SING ZHENG DRUG SQUARE LIMITED | Private company limited by shares | Live |
| Zing Sing Hong (HongKong) Co., Limited | Private company limited by shares | Live |
| WING SING ZIPPER COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING ZOEK LIMITED | Private company limited by shares | Live |
| ZONE SING LIMITED | Private company limited by shares | Dissolved |
| ZONE SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SING3 CREATIVE ENERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGA LIMITED | Private company limited by shares | Dissolved |
| SINGA LIMITED | Private company limited by shares | Dissolved |
| SINGA MACHINERY CO., LIMITED | | Live |
| SINGA ENTERPRISE GROUP LIMITED | Private company limited by shares | Dissolved |
| SINGA MAS INVESTMENTS HOLDING LIMITED | Private company limited by shares | Dissolved |
| SINGA LINES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SINGA LINK LIMITED | Private company limited by shares | Dissolved |
| SINGA RICA PRIVATE LIMITED | Private company limited by shares | Live |
| SINGA PROPERTIES LIMITED | Private company limited by shares | Live |
| SINGA SHIPPING LIMITED | Private company limited by shares | Dissolved |
| HK SINGA TRADING LIMITED | Private company limited by shares | Live |
| Singa-Beagle Limited | Private company limited by shares | Live |
| Singabloom Limited | | Live |
| SINGAEMAS LIMITED | Private company limited by shares | Live |
| SINGAFUND INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SINGAFUNDS LIMITED | Private company limited by shares | Dissolved |
| HUIFUNG GROUP (SINGAGPORE) INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HARD SINGAL COMPANY LIMITED | Private company limited by shares | Dissolved |