| PAO SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SING LEE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| KO SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| FEI SING INTERNATIONAL TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| SING TAI INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAI SING (INTERNATIONAL) TRADING LIMITED | Private company limited by shares | Live |
| SING WAH INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| SING MEI INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TAK SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SING YEE INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| LAP SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| PO SING PO INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| WIN SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SING YUM INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| KAM SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| WUI SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Sun Sing International Trading Limited | Private company limited by shares | Live |
| YIU SING TRADING INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Live |
| HO SING INTERNATIONAL TRADING CO LIMITED | Private company limited by shares | Live |
| SING SAM INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Sing Tat International Trading Limited | Private company limited by shares | Live |
| Sing Ho International Trading Limited | Private company limited by shares | Live |
| MAN SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Tai Sing Tai Ma International Trading Limited | Private company limited by shares | Live |
| Lai Sing International Trading Limited | Private company limited by shares | Live |
| HK YU SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SING MEI INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Yee Sing International Trading Limited | Private company limited by shares | Live |
| Yat Sing International Trading Limited | Private company limited by shares | Live |
| Yiu Sing International Trading Limited | | Live |
| Tak Ko Sing International Trading Limited | | Live |
| Sing Hui International Trading Limited | | Live |
| MEI SING HK INT'L TRADING LIMITED | Private company limited by shares | Live |
| SING JAK INT'L TRADING LIMITED | Private company limited by shares | Live |
| TIN SING INT'L TRADING HK LIMITED | Private company limited by shares | Live |
| SING TAT INT'L TRADING LIMITED | Private company limited by shares | Dissolved |
| WIN SING INT'L TRADING LIMITED | Private company limited by shares | Live |
| PAK SING IRONWARE TRADING COMPANY LIMITED | | Live |
| SUN SING (JAPAN) TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING KING TRADING LIMITED | Private company limited by shares | Live |
| Kong Sing Trading Company Limited | | Live |
| KOON SING TRADING COMPANY LIMITED | Private company limited by shares | Live |
| SING KUNG TRADING LIMITED | Private company limited by shares | Dissolved |
| Sing Kung Trading Company Limited | | Live |
| LONG SING TAU TRADING LIMITED | Private company limited by shares | Live |
| SUM SING LONG TRADING CO. LIMITED | Private company limited by shares | Live |
| LONG SING TRADING LIMITED | Private company limited by shares | Live |
| LONG SING TRADING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| LOONG SING TRADING LIMITED | Private company limited by shares | Dissolved |
| LUNG SING TRADING LIMITED | Private company limited by shares | Live |
| SING LUNG TRADING LIMITED | Private company limited by shares | Live |
| LUNG SING INT'L TRADING LIMITED | Private company limited by shares | Live |
| CHI SING INTERNATIONAL MARINE PRODUCTS TRADING LIMITED | Private company limited by shares | Live |
| SING LEE METAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| MING SING TRADING LIMITED | Private company limited by shares | Dissolved |
| Sing Ming Trading Limited | Private company limited by shares | Live |
| MING SING TRADING LIMITED | Private company limited by shares | Live |
| SING MING TRADING LIMITED | Private company limited by shares | Live |
| MING SING MOLD TRADING CO., LIMITED | Private company limited by shares | Live |
| MOON SING TRADING LIMITED | Private company limited by shares | Live |
| FUK PANG SING TRADING COMPANY LIMITED | Private company limited by shares | Live |
| Pang Sing (HK) Trading Co., Limited | | Live |
| SING YIU RESOURCES TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING SHUI TRADING LIMITED | Private company limited by shares | Live |
| Yat Sing International Technology Trading Co., Limited | | Live |
| SING THYE TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Tone Sing Trading Limited | Private company limited by shares | Live |
| TONG SING TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING FAT TRANSPORT TRADING LIMITED | Private company limited by shares | Live |
| KAM SING TRANSPORTATION TRADING CO. LIMITED | Private company limited by shares | Dissolved |
| WAI SING TRADING & TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| WING SING TRANSPORTATION TRADING LIMITED | Private company limited by shares | Live |
| TUNG SING CLEANING TRADING LIMITED | Private company limited by shares | Dissolved |
| SING TUNG INTERNATIONAL TRADING COMPANY LIMITED | Private company limited by shares | Live |
| TUNG SING TRANSPORTATION AND TRADING COMPANY LIMITED | Private company limited by shares | Live |
| WANG SING TRADING LIMITED | Private company limited by shares | Live |
| WANG SING HK TRADING LIMITED | | Live |
| SING WELL TRADING LIMITED | Private company limited by shares | Dissolved |
| YIK SING TRADING WHOLESALE LIMITED | | Live |
| SING WING TRADING LIMITED | Private company limited by shares | Dissolved |
| WING SING TRADING COMPANY LIMITED | Private company limited by shares | Live |
| WING TAK SING TRADING LIMITED | Private company limited by shares | Live |
| SING WING FAI TRADING LIMITED | Private company limited by shares | Live |
| WING SING TRADING LIMITED | | Live |
| Wing Sing Trading Co., Limited | Private company limited by shares | Live |
| SING WING INT'L TRADING CO., LIMITED | Private company limited by shares | Live |
| DONG SING HO WING TRADING COMPANY LIMITED | Private company limited by shares | Live |
| WING SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Dissolved |
| WING SING TRADING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WING SING INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| SING YEAR TRADING LIMITED | Private company limited by shares | Dissolved |
| YOUNG LEE SING (HK) TRADING CO., LIMITED | Private company limited by shares | Live |
| SING YUEN TRADING LIMITED | Private company limited by shares | Live |
| YUET SING TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YUET SING TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING YUET INTERNATIONAL TRADING LIMITED | Private company limited by shares | Live |
| Sing Yung Trading Limited | Private company limited by shares | Live |
| WAI SING TRANSPORATION LIMITED | Private company limited by shares | Dissolved |
| HON SING TRANSPORT LIMITED | Private company limited by shares | Live |
| LAP SING TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Live |