| STRUCTURES LIMITED | Private company limited by shares | Live |
| STRATEGIC ASSET STRUCTURES LIMITED | Private company limited by shares | Dissolved |
| HighTech Structures Engineering Limited | Private company limited by shares | Dissolved |
| FABRICATED STRUCTURES LIMITED | Private company limited by shares | Dissolved |
| Leaders & Structures Limited | Private company limited by shares | Live |
| TAWS METAL STRUCTURES & MANUFACTURING LIMITED | | Live |
| Obitel Structures Limited | Private company limited by shares | Live |
| Pfeifer Structures (HK) Limited | Private company limited by shares | Live |
| SCHON STRUCTURES HK CO., LIMITED | Private company limited by shares | Live |
| Steadfast Structures Limited | Private company limited by shares | Live |
| SYSTEM STRUCTURES LIMITED | Private company limited by shares | Dissolved |