| Hong Kong Sing Gei Trading Limited | | Live |
| HIP SING LUNG HONG TRADING COMPANY LIMITED | Private company limited by shares | Live |
| THIEN SING TRADING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| HONG KONG SING MEI TUNG TRADING LIMITED | Private company limited by shares | Live |
| Wing Sing Wah (Hong Kong) Trading Company Limited | Private company limited by shares | Live |
| Hong Kong Wing Sing Trading Limited | | Live |
| Wing Sing Hong Kong Trading Limited | | Live |
| Sing Kee Hong Kong Transportation Limited | Private company limited by shares | Live |
| TUNG SING HONG COMPANY LIMITED | Private company limited by shares | Live |
| TUNG SING HONG KONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| WANG SING HONG COMPANY LIMITED | Private company limited by shares | Live |
| MING SING HONG WINES COMPANY LIMITED | Private company limited by shares | Live |
| WING SING HONG COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG WING SING JEWELLERY LIMITED | Private company limited by shares | Live |
| HONG KONG WING SING LIMITED | Private company limited by shares | Live |
| HONG KONG MAN WING SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HONG KONG WING SING SHIPPING LIMITED | Private company limited by shares | Dissolved |
| Sing With Us (Hong Kong) Limited | Private company limited by shares | Live |
| WONG SING HONG KONG LIMITED | Private company limited by shares | Live |
| YEUNG SING HONG TRADING LIMITED | Private company limited by shares | Live |
| Yat Sing Hong Yuan Scaffolding Limited | Private company limited by shares | Live |
| Sing Sang Holding (HongKong) Limited | Private company limited by shares | Live |
| Lyun Sing Trade (Hongkong) Co., Limited | Private company limited by shares | Live |
| SING ON BIOLOGICAL TECHNOLOGY (HONGKONG) LIMITED | Private company limited by shares | Live |
| CHI SING TECHNOLOGY GROUP (HONGKONG) LIMITED | Private company limited by shares | Live |
| HOPE SING LIMITED | Private company limited by shares | Dissolved |
| SING WU HOTEL LIMITED | Private company limited by shares | Dissolved |
| Sing Fat Hotel Supplies Co., Limited | | Live |
| BUN SING TEA HOUSE COMPANY, LIMITED | Private company limited by shares | Dissolved |
| WAN SING HOUSEHOLD APPLIANCES (H.K.) LIMITED | Private company limited by shares | Live |
| HUEN SING LIMITED | Private company limited by shares | Live |
| HUNT SING TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| PO SING IMITATION JEWELLERY MANUFACTORY COMPANY LIMITED | Private company limited by shares | Live |
| SING LEE PHARMACEUTICAL IMPORT & EXPORT CO. LIMITED | Private company limited by shares | Live |
| YEE SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| FU SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| WAH SING INDUSTRIAL COMPANY, LIMITED | Private company limited by shares | Dissolved |
| PO SING INDUSTRIAL COMPANY, LIMITED | Private company limited by shares | Live |
| DAH SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING LEE FAT INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAI SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| LEE SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SING TAT INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SING ON INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| KAN SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING WU INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| FUK SING INDUSTRIAL LIMITED | Private company limited by shares | Live |
| V SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUN SING FAI INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUI SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| YED SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| TIN SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SING FAT INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| SING KEE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HIP SING HK INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| YEE SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| GIN SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SING FAI INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| KIN SING INDUSTRIAL LIMITED | Private company limited by shares | Live |
| CHI SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| TAK SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SIN WU SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SING FAI INDUSTRIAL LIMITED | Private company limited by shares | Live |
| KIT SING INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Yi Sing Industrial Limited | Private company limited by shares | Live |
| Lai Sing Industrial Limited | Private company limited by shares | Live |
| Sing Wah Industrial Limited | Private company limited by shares | Live |
| HK SING KEI INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Pak Sing Industrial Limited | Private company limited by shares | Live |
| Sing Lee Industrial Company Limited | Private company limited by shares | Live |
| SING HO INDUSTRIAL LIMITED | Private company limited by shares | Live |
| HK SING CHI SING INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SING YAT INDUSTRIAL LIMITED | | Live |
| YIU SING BAGS INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| HIP SING CHINA INDUSTRIAL LIMITED | Private company limited by shares | Live |
| CHIU SING INDUSTRIAL COMPANY, LIMITED | Private company limited by shares | Dissolved |
| CHUNG SING GARMENT INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Live |
| YAT SING INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| YUK SING INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| LIK SING INDUSTRIAL CO., LIMITED | Private company limited by shares | Dissolved |
| YIN SING INDUSTRIAL CO., LIMITED | | Live |
| C & S CHUNG SING INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| Dek Sing Industrial Holding Co., Limited | | Live |
| WING SING INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| YAN SING INDUSTRIAL & COMMERCIAL LIMITED | Private company limited by shares | Dissolved |
| CHI SING INDUSTRIAL EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| FOOK SING INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| GIAN SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| GIP SING INDUSTRIAL GROUP LIMITED | Private company limited by shares | Dissolved |
| MEI SING INDUSTRIAL GROUP LIMITED | Private company limited by shares | Live |
| PAK SING INDUSTRIAL GROUP LIMITED | Private company limited by shares | Live |
| Hang Sing Industrial (Foshan) Limited | Private company limited by shares | Live |
| HANG SING INDUSTRIAL (HK) LIMITED | Private company limited by shares | Live |
| HING SING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| SING HING INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HING SING HK INDUSTRIAL LIMITED | Private company limited by shares | Live |
| SING HING ACE GARMENT INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING TAT INDUSTRIAL (HK) LIMITED | Private company limited by shares | Dissolved |
| PO SING (HK) INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| NAM SING INDUSTRIAL (H.K.) LIMITED | Private company limited by shares | Dissolved |