| BUILDTEC CONSULTANTS LIMITED | Private company limited by shares | Live Ceased dormancy on 12-Jun-2003 |
| BUILDTEC ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| BUILDTECH LIMITED | Private company limited by shares | Live |
| Alliance Buildtech Limited | | Live |
| CHINA BUILDTECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| HTC BUILDTECH CO., LIMITED | Private company limited by shares | Live |
| BUILDTECH CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| LEGEND BUILDTECH CONSTRUCTION COMPANY LIMITED | Private company limited by shares | Dissolved |
| Build-Tech Construction Products Limited | Private company limited by shares | Live |
| SHANGHAI BUILDTECH CONSTRUCTION MATERIAL CO., LIMITED | Private company limited by shares | Live |
| BuildTech Consultants Limited | Private company limited by shares | Live |
| BUILDTECH ENTERPRISE LIMITED | Private company limited by shares | Live |
| BuildTech Global Limited | | Live |
| BUILDTECH INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| BUILDTECH INDUSTRY DEVELOPMENTS LIMITED | | Live |
| BUILDTECH INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| BUILDTECH MANAGEMENT LIMITED | Private company limited by shares | Dissolved |
| BUILDTECH MATERIALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAN SHING BUILD-TECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| BUILD-TECH (S&R) LIMITED | Private company limited by shares | Live |
| BUILDTECK ENGINEERING (HONG KONG) COMPANY LIMITED | Private company limited by shares | Dissolved |