| YICK FAI ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| Yick Po Engineering Limited | Private company limited by shares | Live |
| Hop Yick Engineering Limited | Private company limited by shares | Live |
| YICK TAI ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YICK MAN ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YICK ENGINEERING LIMITED | Private company limited by shares | Live |
| YAT YICK ENGINEERING LIMITED | Private company limited by shares | Live |
| KIN YICK ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YICK CHI ENGINEERING LIMITED | Private company limited by shares | Live |
| YICK TO ENGINEERING LIMITED | Private company limited by shares | Live |
| YICK TAT ENGINEERING LIMITED | Private company limited by shares | Live |
| Fu Yick Engineering Limited | Private company limited by shares | Live |
| Wah Yick Engineering Limited | Private company limited by shares | Live |
| Ho Yick Engineering Co. Limited | Private company limited by shares | Live |
| YICK FAT ENGINEERING LIMITED | Private company limited by shares | Live |
| Hip Yick Engineering Limited | Private company limited by shares | Live |
| YICK KIN ENGINEERING LIMITED | Private company limited by shares | Live |
| WUI YICK ENGINEERING LIMITED | | Live |
| YICK KAN ENGINEERING LIMITED | | Live |
| Tai Yick Engineering Limited | | Live |
| CHONG YICK ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Yick Loi Engineering Co., Limited | Private company limited by shares | Live |
| Yick Ho Engineering Co., Limited | Private company limited by shares | Live |
| LEUNG YICK ENGINEERING CO., LIMITED | | Live |
| YICK LIP AIR CONDITIONING & ENGINEERING LIMITED | Private company limited by shares | Live |
| TAT YICK CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| WAI YICK CONSTRUCTION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| YICK WAH CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| YICK TAT CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| HOP YICK CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GUANG YICK CONSTRUCTION ENGINEERING CO. LIMITED | Private company limited by shares | Live |
| WING YICK CONSTRUCTION & ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING YICK CONSTRUCTION & ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SUN YICK DESIGN ENGINEERING LIMITED | Private company limited by shares | Live |
| Yick Tai Design & Engineering Limited | Private company limited by shares | Live |
| HUP YICK ELECTRIC & ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YICK TAT ELECTRICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| WAH YICK ELECTRICAL AND MECHANICAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TAK YICK ELECTRICAL & MECHANICAL ENGINEERING LIMITED | Private company limited by shares | Live |
| FOOK YICK ENGINEERING LIMITED | Private company limited by shares | Live |
| YICK FULL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HON YICK GARDEN ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HANG YICK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| Hang Yick Engineering Limited | Private company limited by shares | Live |
| WING YICK ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| KWAN YICK ENGINEERING LIMITED | Private company limited by shares | Live |
| YICK KWAN ENGINEERING LIMITED | Private company limited by shares | Live |
| Yick Leon Engineering Limited | Private company limited by shares | Live |
| HOP YICK MACHINERY ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| HOP YICK MACHINERY ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| CREATIVE YICK MAINTENANCE ENGINEERING LIMITED | Private company limited by shares | Live |
| HON YICK MARINE ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| YICK LEE METAL ENGINEERING LIMITED | Private company limited by shares | Live |
| KA MING HOP YICK ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| HOP YICK PAINTING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| YICK SUN ENGINEERING TRANSPORTATION LIMITED | Private company limited by shares | Live |
| YICK TUNG ENGINEERING LIMITED | Private company limited by shares | Live |
| TUNG YICK AIR CONDITION ENGINEERING LIMITED | Private company limited by shares | Live |
| WING YICK ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING YICK ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| WING YICK KAM ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Hon Yick Wood Engineering Limited | Private company limited by shares | Live |
| Yick Hin Iron Work Engineering Limited | Private company limited by shares | Live |
| YICK YEUNG ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| Yuen Yick Engineering Limited | Private company limited by shares | Live |
| YICK NIN ENTERPRISE COMPANY LIMITED | Private company limited by shares | Live |
| YICK KIU ENTERPRISE LIMITED | Private company limited by shares | Live |
| KA YICK ENTERPRISE LIMITED | Private company limited by shares | Live |
| YICK ENTERPRISE LIMITED | Private company limited by shares | Live |
| Grand Yick Enterprise Company Limited | Private company limited by shares | Live |
| WO YICK ENTERPRISES COMPANY LIMITED | Private company limited by shares | Live |
| WUI YICK MAN ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| KAY YICK ENTERPRISES LIMITED | Private company limited by shares | Live |
| SUN TAK YICK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YICK YAT ENTERPRISES COMPANY, LIMITED | Private company limited by shares | Live |
| YICK WO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YICK PUI ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YICK TAT ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| LAI YICK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WAT YICK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WAH YICK ENTERPRISES LIMITED | Private company limited by shares | Live |
| MAN YICK ENTERPRISES COMPANY LIMITED | Private company limited by shares | Dissolved |
| YUE YICK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| YICK TAO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| WAI YICK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TAI YICK ENTERPRISES LIMITED | Private company limited by shares | Live |
| SUN YICK ENTERPRISES LIMITED | Private company limited by shares | Live |
| YICK SHIU ENTERPRISES LIMITED | Private company limited by shares | Live |
| YICK KA ENVIRONMENTAL LIMITED | Private company limited by shares | Live |
| San Yick Environmental Company Limited | | Live |
| KUI YICK ENVIRONMENTAL RECYCLING CO., LIMITED | Private company limited by shares | Live |
| LEE YICK EQUIPMENT LIMITED | Private company limited by shares | Dissolved |
| Yick Tat Scaffold Equipment Limited | Private company limited by shares | Live |
| YAT YICK ESTATES LIMITED | Private company limited by shares | Dissolved |
| YICK MAN ESTATES LIMITED | Private company limited by shares | Live |
| YICK TAT (CHINA & HK) EXPRESS LIMITED | Private company limited by shares | Dissolved |
| TAI YICK LOONG KEE PLASTIC FACTORY LIMITED | Private company limited by shares | Dissolved |
| YICK WAH PLASTIC FACTORY LIMITED | Private company limited by shares | Live |
| YICK FAT PLASTIC FACTORY LIMITED | Private company limited by shares | Dissolved |
| HOP YICK RAINCOATS FACTORY LIMITED | Private company limited by shares | Dissolved |