| Da Sing International Investment Limited | Private company limited by shares | Live |
| WAN SING INT'L INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING KONG INVESTMENT LIMITED | Private company limited by shares | Live |
| LONG SING INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| Tou Git Ming Sing Investment Limited | Private company limited by shares | Live |
| SHIU SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HON SING STARS INVESTMENT (HK) LIMITED | Private company limited by shares | Live |
| YUEN SING INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| Zinc Sing Investment Limited | Private company limited by shares | Live |
| HK ZUNG SING (INT'L) INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| SING DIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| SING HO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WAI SING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KAM SING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KAM SING INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| YUM SING INVESTMENTS LIMITED | Private company limited by shares | Live |
| SING WUI INVESTMENTS LIMITED | Private company limited by shares | Live |
| WAH SING INVESTMENTS LIMITED | Private company limited by shares | Live |
| SING YU KAM CHUNG INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Live |
| MAN SING INVESTMENTS & CONSULTANTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| FRIEND SING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GLAD SING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GLAD SING INVESTMENTS LIMITED | Private company limited by shares | Live |
| WAH SING INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WAH SING INTERNATIONAL INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| MING SING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| WO SING JADE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| SING FAI JEWELLERY CO. LIMITED | Private company limited by shares | Dissolved |
| FOK SING FAI JEWELLERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAH SING JEWELLERY COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAH SING JEWELLERY CO. LIMITED | Private company limited by shares | Live |
| SHIU SING JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| Sing Kwong Jewelry Limited | Private company limited by shares | Live |
| SING YUEN JEWELRY LIMITED | Private company limited by shares | Dissolved |
| JIAN SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| JING SING FAI ELECTRONIC LIMITED | Private company limited by shares | Live |
| JING SING NATIONAL MACHINERY CO. LIMITED | Private company limited by shares | Dissolved |
| JOIN SING LIMITED | Private company limited by shares | Dissolved |
| Jook Sing Jai International Limited | Private company limited by shares | Live |
| SING WO JOSE CO. LIMITED | Private company limited by shares | Live |
| JUNG SING LIMITED | Private company limited by shares | Live |
| HK SING JYUN LIMITED | Private company limited by shares | Live |
| WING SING JYUN INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Sing Jyun Trading Co., Limited | Private company limited by shares | Live |
| Kami Sing Co., Limited | Private company limited by shares | Live |
| ALEXANDER (SING KEE) CO. LIMITED | Private company limited by shares | Dissolved |
| TAK FI (SING KEE) SHIPPING COMPANY LIMITED | Private company limited by shares | Dissolved |
| KEEP SING LIMITED | Private company limited by shares | Dissolved |
| KEEP SING GEM LIMITED | Private company limited by shares | Live |
| KEMKLEN (TUNG SING) LIMITED | Private company limited by shares | Dissolved |
| KENG SING AGENCIES LIMITED | Private company limited by shares | Dissolved |
| KENT SING LIMITED | Private company limited by shares | Dissolved |
| Keung Sing Limited | | Live |
| SING LUM KHUI COMPANY LIMITED | Private company limited by shares | Live |
| SING KIND INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SING KIND TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SING KING LIMITED | Private company limited by shares | Live |
| YIU SING KNITTING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YU SING KNITTING LIMITED | Private company limited by shares | Live Commenced dormancy on 08-May-2014 |
| HIP SING KNITTING FACTORY LIMITED | Private company limited by shares | Live |
| SUN SING KNITTING FACTORY, LIMITED | Private company limited by shares | Dissolved |
| YIU SING KNITTING FACTORY LIMITED | Private company limited by shares | Dissolved |
| SING WAI KNITTING FACTORY LIMITED | Private company limited by shares | Dissolved |
| FU SING KNITTING FACTORY LIMITED | Private company limited by shares | Dissolved |
| HOP SING KNITTING FACTORY LIMITED | Private company limited by shares | Dissolved |
| HOP SING KNITTING FACTORY LIMITED | Private company limited by shares | Live |
| HOP SING COMPUTERIZED KNITTING FACTORY LIMITED | Private company limited by shares | Dissolved |
| SING FOOK KNITTING FACTORY, LIMITED | Private company limited by shares | Live |
| PARK SING KNITTING LIMITED | Private company limited by shares | Dissolved |
| PING SING KNITTING COMPANY, LIMITED | Private company limited by shares | Dissolved |
| SING KONG COMPANY, LIMITED | Private company limited by shares | Dissolved |
| KONG SING LIMITED | Private company limited by shares | Dissolved |
| SING KOON COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOON SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| KOON SING HAT FACTORY LIMITED | Private company limited by shares | Dissolved |
| KOREA SING FEI AH LOW FASHION LIMITED | Private company limited by shares | Dissolved |
| TAI SING FAT TONG, KOWLOON, COMPANY LIMITED | Company limited by guarantee | Live |
| KOWN SING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| CHAT SING KUNG SIN SOI CO. LIMITED | Company limited by guarantee | Live |
| KUNG SING INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Live |
| Kung Sing International Limited | | Live |
| KUNG SING INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| KUOI SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| KWAI SING PLASTIC FACTORY LIMITED | Private company limited by shares | Dissolved |
| KWAI SING NO.2 COMPANY LIMITED | Private company limited by shares | Dissolved |
| KWAN SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING LEE KWAN LIMITED | Private company limited by shares | Dissolved |
| KWAN SING CONTRACTORS LIMITED | Private company limited by shares | Live |
| Kwan Sing Enterprises Limited | Private company limited by shares | Live |
| KWAN SING GARMENT FACTORY LIMITED | Private company limited by shares | Dissolved |
| KWAN SING PLASTIC FACTORY LIMITED | Private company limited by shares | Live |
| SING KWAN FASHION LIMITED | Private company limited by shares | Live |
| KWAN SING GROUP LIMITED | Private company limited by shares | Live |
| KWAN SING (HK) LIMITED | Private company limited by shares | Live |
| SING KWAN MEDIA (HK) LIMITED | Private company limited by shares | Live |
| KWAN SING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Sing Kwan International Limited | | Live |
| KWAN SING INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| KWAN SING INVESTMENT LIMITED | Private company limited by shares | Live |
| KWAN SING LIGHTING COMPANY LIMITED | Private company limited by shares | Live |