| Fook Sing Transportation Limited | Private company limited by shares | Live |
| GOLD SING TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| SAM SING (KAN LEE) TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| Sing Kwong Transportation Company Limited | Private company limited by shares | Live |
| Don Sing Transportation Logistic Limited | Private company limited by shares | Live |
| Sing Ming Transportation Limited | Private company limited by shares | Live |
| SING LEE PUBLIC TRANSPORTATION LIMITED | Private company limited by shares | Dissolved |
| WING SING TRANSPORTATION LIMITED | Private company limited by shares | Live |
| Wing Sing Transportation Limited | Private company limited by shares | Live |
| SING TAO TRAVEL LIMITED | Private company limited by shares | Dissolved |
| ALL WIN SING TRAVEL LIMITED | Private company limited by shares | Dissolved |
| YAT SING TRAVEL COMPANY LIMITED | Private company limited by shares | Live |
| SING TRAVEL LIMITED | Private company limited by shares | Live |
| SING HIN TRAVEL LIMITED | | Live |
| YIU SING TRAVEL AGENCY LIMITED | Private company limited by shares | Dissolved |
| YIU SING TRAVEL AGENCY INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Sing Sing Culture & Travel in China Limited | Private company limited by shares | Live |
| Sing Hoi Travel (HK) Co., Limited | Private company limited by shares | Live |
| Hang Sing Travel Company Limited | | Live |
| WAH SING (HK) INT'L TRAVEL AGENT LIMITED | Private company limited by shares | Live |
| KWAI SING TRAVEL SERVICE LIMITED | Private company limited by shares | Dissolved |
| WAH SING TRAVEL SERVICE LIMITED | Private company limited by shares | Live |
| SUN SING TRAVEL SERVICE (H.K.) LIMITED | Private company limited by shares | Dissolved |
| KIU SING TRAVEL & TRANSPORT SERVICE LIMITED | Private company limited by shares | Dissolved |
| SING SING SPORT TRAVEL LIMITED | Private company limited by shares | Live |
| JOY SING TRADING & TRAVEL COMPANY LIMITED | Private company limited by shares | Dissolved |
| MEI SING TRAVEL TRADING (H.K.) COMPANY LIMITED | Private company limited by shares | Dissolved |
| SING YUEN TRAVEL COMPANY LIMITED | Private company limited by shares | Live |
| 3 Sing Trustee Limited | | Live |
| TSEN SING LIMITED | Private company limited by shares | Dissolved |
| TSUEN SING LIMITED | Private company limited by shares | Dissolved |
| TSUEN SING ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TSUN SING LIMITED | Private company limited by shares | Live |
| TSUN SING CONSTRUCTION LIMITED | Private company limited by shares | Live |
| TSUN SING CONTAINER TRANSPORTATION CO. LIMITED | Private company limited by shares | Dissolved |
| TSUN SING ENGINEERING LIMITED | Private company limited by shares | Live |
| SING TSUN ENGINEERING LIMITED | | Live |
| TSUN SING (HONG KONG) LIMITED | Private company limited by shares | Live |
| TSUN SING INVESTMENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TSUN SING LOGISTIC CO LIMITED | Private company limited by shares | Dissolved |
| TSUN SING MOTOR CO. LIMITED | Private company limited by shares | Live |
| TSUN SING NOMINEE LIMITED | Private company limited by shares | Dissolved |
| TSUN SING PROPERTIES INVESTMENT CO. LIMITED | Private company limited by shares | Live |
| TSUN SING SECRETARY LIMITED | Private company limited by shares | Live |
| Tsun Sing Technology Engineering Limited | Private company limited by shares | Live |
| TSUN SING TRADING LIMITED | Private company limited by shares | Live |
| TSUN SING MOTOR TRADING LIMITED | Private company limited by shares | Dissolved |
| TUAN SING (H.K.) LIMITED | Private company limited by shares | Dissolved |
| HO SING TUGBOAT CO. LIMITED | Private company limited by shares | Dissolved |
| SING TUNE INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TUNG SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TUNG SING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TUNG SING TIN MA COMPANY LIMITED | Private company limited by shares | Live |
| TUNG SING LIMITED | Private company limited by shares | Live |
| TUNG SING FAR PAU ASSOCIATION LIMITED | Company limited by guarantee | Live |
| TUNG TAU ESTATE YU LAN SING ASSOCIATION LIMITED | Company limited by guarantee | Live |
| TUNG SING CENTURY LIMITED | | Live |
| PAK WAN TUNG TAI SING FAT CHO CO., LIMITED | Company limited by guarantee | Dissolved |
| PAK WAN TUNG TAI SING FAT CHO CO., LIMITED | Company limited by guarantee | Live |
| TUNG SING ROCK DRILLING LIMITED | Private company limited by shares | Dissolved |
| SING TUNG LEE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TUNG SING GARMENT FACTORY LIMITED | Private company limited by shares | Dissolved |
| TUNG SING POLYFOAM FACTORY LIMITED | Private company limited by shares | Dissolved |
| TUNG SING WEAVING FACTORY LIMITED | Private company limited by shares | Dissolved |
| TUNG SING FOODSTUFFS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TUNG SING FURNITURE COMPANY LIMITED | Private company limited by shares | Live |
| TUNG SING GYMNASIUM ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| TUNG SING INTERNATIONAL HOLDING LIMITED | Private company limited by shares | Dissolved |
| TUNG SING INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| SING TUNG WAH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SING TUNG INTERNATIONAL LIMITED | Private company limited by shares | Live |
| SUN TUNG SING INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TUNG SING INVESTMENT COMPANY, LIMITED | Private company limited by shares | Dissolved |
| TUNG SING LAUNDRY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TUNG SING TOYS MANUFACTORY LIMITED | Private company limited by shares | Live |
| TUNG SING PAWNSHOP LIMITED | Private company limited by shares | Dissolved |
| SING TUNG REALTY COMPANY LIMITED | Private company limited by shares | Live |
| TUNG SING TEXTILES LIMITED | Private company limited by shares | Dissolved |
| TUNG SING INTERNATIONAL WEALTH LIMITED | Private company limited by shares | Live Commenced dormancy on 09-Jun-2015 |
| CHI SING TUTORIAL CENTRE LIMITED | Private company limited by shares | Live |
| Wah Sing Umbrella Limited | Private company limited by shares | Live |
| UNIQUE SING LIMITED | Private company limited by shares | Live |
| SING UNITED TRADING LIMITED | Private company limited by shares | Live |
| WAH SING UNIVERSAL COMPANY LIMITED | Private company limited by shares | Live |
| SING SKY UNIVERSAL COMPANY LIMITED | Private company limited by shares | Live |
| Yu Sing Universal Company Limited | Private company limited by shares | Live |
| WAH SING UNIVERSAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| Tak Sing Universal Trading Company Limited | | Live |
| CHUNG SING UNIVERSAL TRADING LIMITED | Private company limited by shares | Dissolved |
| YIP SING (U.S.A.) LIMITED | Private company limited by shares | Dissolved |
| SING WIN VEGETARIAN RESTAURANT LIMITED | Private company limited by shares | Dissolved |
| Sing Tai Ventilation Engineering Company Limited | Private company limited by shares | Live |
| Yat Sing Ventilation Engineering Limited | | Live |
| SING VIEW LIMITED | Private company limited by shares | Dissolved |
| Virtus Dr Lee Sing Limited | Private company limited by shares | Live |
| VITAL SING INVESTMENTS LIMITED | Private company limited by shares | Live |
| WANG LEE SING KEE COMPANY LIMITED | Private company limited by shares | Dissolved |
| WANG SING LIMITED | Private company limited by shares | Dissolved |
| Wang Sing & Co. Limited | Private company limited by shares | Live |
| Wang Sing Asia Company Limited | Private company limited by shares | Dissolved |