| SING WOO INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Sing Fat International Company Limited | Private company limited by shares | Live |
| Yu Sing International Limited | Private company limited by shares | Live |
| On Sing International Limited | Private company limited by shares | Live |
| SING YIU INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Sing Yu International Limited | Private company limited by shares | Live |
| YIK HOI SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Sun Sing Li International Limited | Private company limited by shares | Live |
| SING HOI INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Yat Sing International Limited | Private company limited by shares | Live |
| MUK SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TU SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| JAE SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| WAI SING INTERNATIONAL LIMITED | | Live |
| Ka Sing International Limited | | Live |
| SEA SING INTERNATIONAL LIMITED | | Live |
| SING YIN INTERNATIONAL LIMITED | | Live |
| SING HIN INTERNATIONAL LIMITED | | Live |
| Ye Sing Da International Limited | | Live |
| NEW SING FAI INT'L LIMITED | Private company limited by shares | Live |
| TIN SING INTL. LIMITED | | Live |
| SING KONG ELECTRIC (INT'L) LIMITED | Private company limited by shares | Dissolved |
| TIN SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| FU SING INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| KIE SING INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| KIN SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| NAM SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| WO SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| SING TAK INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING YIU INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING WO INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| YIU SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HEY SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING NAM INVESTMENT COMPANY, LIMITED | Private company limited by shares | Live |
| SING MIN INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| FAT SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| HIM SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| BON SING INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| DAO SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| GEE SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| LOI SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| KIU SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| JOY SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| KAM SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING PAO INVESTMENT LIMITED | Private company limited by shares | Live |
| SING KEE INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING TAO INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| K. SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TIM SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING ON INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TIN ON SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| YU SING (INVESTMENT) LIMITED | Private company limited by shares | Dissolved |
| LOK SING INVESTMENT LIMITED | Private company limited by shares | Live |
| KI SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| FOK SING FAI INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WIN SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| LAI SING INVESTMENT LIMITED | Private company limited by shares | Live |
| SING FU INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| YAT SING F & B INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TAK SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| YAT SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PAK SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| WAN SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HOI SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| SING WEN INVESTMENT LIMITED | Private company limited by shares | Live |
| SING WAH INVESTMENT LIMITED | Private company limited by shares | Live |
| SING YUE INVESTMENT LIMITED | Private company limited by shares | Live |
| Jun Sing Investment Limited | Private company limited by shares | Dissolved |
| Day Day Sing Investment Co. Limited | Private company limited by shares | Live |
| TOP SING INVESTMENT LIMITED | Private company limited by shares | Live |
| Sing Yun Investment Limited | Private company limited by shares | Live |
| NEW SING TAK INVESTMENT LIMITED | Private company limited by shares | Live |
| Sum Sing Investment Company Limited | Private company limited by shares | Live |
| Sing Kan Investment Limited | Private company limited by shares | Live |
| MAN SING INVESTMENT LIMITED | Private company limited by shares | Live |
| E SING INVESTMENT LIMITED | Private company limited by shares | Live |
| HIN SING INVESTMENT LIMITED | Private company limited by shares | Live |
| SING YAT INVESTMENT LIMITED | Private company limited by shares | Live |
| SING DAH INVESTMENT LIMITED | Private company limited by shares | Live |
| YUK SING INVESTMENT LIMITED | | Live |
| FUK SING ASIA INVESTMENT LIMITED | Private company limited by shares | Live |
| SING FAT CAPITAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING CHAU INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| CHUNG SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| MIN SING INVESTMENT CONSULTANT LIMITED | Private company limited by shares | Live |
| SING YIP ENTERPRISE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING SIU ENTERPRISES INVESTMENT LIMITED | Private company limited by shares | Live |
| Sing Pao Film Investment Company Limited | Private company limited by shares | Live |
| FOOK SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOLD SING INVESTMENT HOLDING COMPANY LIMITED | | Live |
| HAPPY SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Sing Qi (Hongkong) Investment Company Limited | Private company limited by shares | Live |
| PO SING INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| KIN SING INTERNATIONAL INVESTMENT COMPANY LIMITED | Private company limited by shares | Live |
| WAH SING INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING WAI INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HOP SING INVESTMENT (INTERNATIONAL) LIMITED | Private company limited by shares | Live |
| SING GO INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HK SING GEM INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Live |
| Hao Sing International Investment Limited | Private company limited by shares | Live |