| HK HING SING FURNITURE LIMITED | Private company limited by shares | Dissolved |
| HING SING TRADE (H.K.) LIMITED | Private company limited by shares | Live |
| SING HING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SING HING INVESTMENT LIMITED | Private company limited by shares | Live |
| TIN SING SUN HING PLASTIC METAL LIMITED | Private company limited by shares | Live |
| SING HING METALS LIMITED | Private company limited by shares | Dissolved |
| SING HING STEAMSHIP COMPANY, LIMITED | Private company limited by shares | Dissolved |
| SING HING TOURS COMPANY LIMITED | Private company limited by shares | Live |
| HING SING TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| SING HING TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| HOP SING (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING BAN (HK) LIMITED | Private company limited by shares | Dissolved |
| YUE SING (H.K.) LIMITED | Private company limited by shares | Dissolved |
| CHI SING (HK) LIMITED | Private company limited by shares | Dissolved |
| YUK YAT SING (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING YUE (HK) LIMITED | Private company limited by shares | Dissolved |
| LAI SING (HK) LIMITED | Private company limited by shares | Dissolved |
| SAN BOU SING (HK) LIMITED | Private company limited by shares | Live |
| SING & SING (HK) LIMITED | Private company limited by shares | Dissolved |
| Wan Sing (H.K.) Limited | Private company limited by shares | Dissolved |
| SING KEE (HK) LIMITED | Private company limited by shares | Dissolved |
| HER SING (H.K.) LIMITED | Private company limited by shares | Live |
| PAK SING (HK) LIMITED | Private company limited by shares | Live |
| WAI SING (HK) COMPANY LIMITED | Private company limited by shares | Live |
| Sing Lok (HK) Limited | Private company limited by shares | Live |
| Kam Sing (HK) Limited | | Live |
| Yi Sing Capital (HK) Limited | Private company limited by shares | Live |
| SING ENTERPRISES (H.K.) LIMITED -THE- | Private company limited by shares | Dissolved |
| JI SING ENTERPRISES (HK) LIMITED | Private company limited by shares | Dissolved |
| TAK SING INSTRUMENT (H.K.) CO. LIMITED | Private company limited by shares | Dissolved |
| SING HO INTERNATIONAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| MAH SING INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| HOI SING INTERNATIONAL (HK) LIMITED | Private company limited by shares | Live |
| HO SING INTERNATIONAL (HK) Limited | Private company limited by shares | Live |
| SING KWONG JEWELLERY (HK) LIMITED | Private company limited by shares | Live |
| KONG SING (H.K.) LIMITED | Private company limited by shares | Live |
| SING LIANG REALTY (H.K.) LIMITED | Private company limited by shares | Dissolved |
| YUK SING GARMENT MANUFACTORY (H.K.) LIMITED | Private company limited by shares | Live |
| SING BEE OFFICE FURNITURE (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING RECORD (H.K.) LIMITED | Private company limited by shares | Dissolved |
| Kong Sing Tong (HK) Limited | Private company limited by shares | Live |
| HIP SING TOYS (HK) LIMITED | Private company limited by shares | Dissolved |
| RICH SING (HK-CHINA) TRADING COMPANY LIMITED | Private company limited by shares | Live |
| YUE SING (HOLDING) LIMITED | Private company limited by shares | Dissolved |
| HE SING HOLDING LIMITED | Private company limited by shares | Live |
| Sing Yu Holding Limited | Private company limited by shares | Live |
| TAK SING HOLDING LIMITED | | Live |
| CHUNG SING (HOLDING) LIMITED | Private company limited by shares | Dissolved |
| SING YIP INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| YAT SING INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Live |
| KONG SING HOLDING LIMITED | Private company limited by shares | Live |
| SING YEAR HOLDING LIMITED | Private company limited by shares | Dissolved |
| SING HONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| MOU SING HONG LIMITED | Private company limited by shares | Dissolved |
| TAI SING HONG COMPANY LIMITED | Private company limited by shares | Live |
| HONG SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YEE SING HONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUN SING HONG LIMITED | Private company limited by shares | Dissolved |
| FAI SING HONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| FUK SING HONG COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING FAI HONG LIMITED | Private company limited by shares | Dissolved |
| SING YEE HONG LIMITED | Private company limited by shares | Live |
| SING HONG LIMITED | Private company limited by shares | Dissolved |
| YUK SING HONG LIMITED | Private company limited by shares | Dissolved |
| HOI SING HONG LIMITED | Private company limited by shares | Live |
| SUN SING HONG LIMITED | Private company limited by shares | Live |
| SING FAI HONG COMPANY LIMITED | Private company limited by shares | Live |
| Hon Sing Hong Company Limited | Private company limited by shares | Live |
| YUN SING HONG LIMITED | Private company limited by shares | Live |
| SING TAI HONG COMPANY LIMITED | | Live |
| HONG SING LIMITED | | Live |
| HONG KONG SING KEE (1960) COMPANY LIMITED | Private company limited by shares | Live |
| HONG KONG SING PAO ART ACADEMY COMPANY LIMITED | Private company limited by shares | Live |
| SING HONG & ASSOCIATES LIMITED | Private company limited by shares | Live |
| Sing Hong Association Limited | Private company limited by shares | Live |
| HONG KONG KA SING CIRCUIT BOARD LIMITED | Private company limited by shares | Dissolved |
| Cheuk Sing (Hong Kong) Company Limited | Private company limited by shares | Live |
| Sing Cheuk Hong Kong Limited | Private company limited by shares | Live |
| SING KWONG HONG (H.K. AND CHINA) CO. LIMITED | Private company limited by shares | Dissolved |
| Wah Sing China Hong Kong Limited | Private company limited by shares | Live |
| Chung Sing Hong Limited | | Live |
| CHUNG SING (HONG KONG) CO., LIMITED | Private company limited by shares | Dissolved |
| HONG PO SING (HK) CO., LIMITED | Private company limited by shares | Live |
| MEI SING (HONG KONG) CO., LIMITED | Private company limited by shares | Live |
| BO SING HONG TRADE CO., LIMITED | Private company limited by shares | Live |
| Hong Kong waan jyu tin sing sat jip Co., Limited | Private company limited by shares | Live |
| Hong Kong Man Wing Sing Co., Limited | Private company limited by shares | Live |
| Coeng Sing Hong Kong Co., Limited | Private company limited by shares | Live |
| HONG SING CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| YUE SING (HONG KONG) CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| Yau Sing (Hong Kong) Construction and Engineering Limited | Private company limited by shares | Live |
| TAK SING CONSTRUCTION (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| WEI SING CONSTRUCTION (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sing Fai Construction Hong Kong Limited | Private company limited by shares | Live |
| SING HONG TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| HONG SING TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| HONG SING DISPENSARY LIMITED | Private company limited by shares | Live |
| HONG KONG WAH SING EDUCATION-TECH LIMITED | Private company limited by shares | Live |
| WING SING (HONG KONG) ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING XIN HONG KONG ELECTRONICS LIMITED | Private company limited by shares | Dissolved |