| Company Name | Type | Status |
|---|---|---|
| MICROTEST (HONGKONG) AUTOMATION LIMITED | Private company limited by shares | Live |
| MICROTEST INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| MICRO-TEST (HK) LIMITED | Private company limited by shares | Live |
| MICROTEST SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| MICROTEST TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |