| Zhongyi Building Materials & Decoration Limited | Private company limited by shares | Live |
| FOSHAN ZLYS BUILDING MATERIALS LIMITED | Private company limited by shares | Live |
| ZONG YANG Building Decoration Research Institute Co., Limited | Private company limited by shares | Live |
| Building2020 Limited | Private company limited by shares | Live |
| BUILDINGBRANDS LIMITED | Private company limited by shares | Live |
| BUILDING.COM.HK LIMITED | Private company limited by shares | Dissolved |
| BUILDINGIDEA.COM LIMITED | Private company limited by shares | Dissolved |
| HAW PAR BUILDINGS LIMITED | Private company limited by shares | Dissolved |
| LD BUILDINGS LIMITED | Private company limited by shares | Live |
| ASIA BUILDINGS COMPANY LIMITED | Private company limited by shares | Live |
| YUEN LONG DISTRICT BUILDINGS ASSOCIATION LIMITED | Company limited by guarantee | Dissolved |
| BANBURY BUILDINGS LIMITED | Private company limited by shares | Dissolved |
| BARON BUILDINGS LIMITED | Private company limited by shares | Live |
| CHUNG KEE BUILDINGS LIMITED | Private company limited by shares | Live |
| CONCORD BUILDINGS CO. LIMITED | Private company limited by shares | Live |
| COSMOPOLITAN BUILDINGS LIMITED | Private company limited by shares | Dissolved |
| SANLIP BUILDINGS (MAINTENANCE) ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| SUN MING TAI (BUILDINGS) GROUP LIMITED | Private company limited by shares | Live |
| SPACEFRAME BUILDINGS (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| LABOUR BUILDINGS LIMITED | Private company limited by shares | Live |
| LAND & BUILDINGS LIMITED | Private company limited by shares | Live |
| UK ROYAL BUILDINGS MATERIALS LIMITED | Private company limited by shares | Live |
| SPACEFRAME BUILDINGS (NORTH ASIA) LIMITED | Private company limited by shares | Live |
| PRIDE BUILDINGS CO., LIMITED | Private company limited by shares | Live |
| EASY SERVICE HK PROFESSIONAL ALUMINUM WINDOW BUILDINGS CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| SHATIN BUILDINGS LIMITED | Private company limited by shares | Dissolved |
| LEE ON BUILDING'S WELFARE COMPANY, LIMITED | Private company limited by shares | Dissolved |
| LEE WAH BUILDING'S WELFARE COMPANY LIMITED | Private company limited by shares | Dissolved |
| LEE TAT BUILDING'S WELFARE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Buildingwell Limited | | Live |