| Company Name | Type | Status |
|---|---|---|
| TECHKEY LIMITED | Private company limited by shares | Live |
| TECHKEY CONSTRUCTION LIMITED | Private company limited by shares | Dissolved |
| TECHKEY ELECTRONICS LIMITED | Private company limited by shares | Live |
| TECHKEY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TECH-KEY (HONG KONG) COMPANY LIMITED | Live |