| Company Name | Type | Status |
|---|---|---|
| YAMAGEN ELECTRONICS HONG KONG CO., LIMITED | Private company limited by shares | Live |
| YAMA-GEN ENTERPRISES LIMITED | Private company limited by shares | Live |
| YAMAGEN HONG KONG CO., LIMITED | Private company limited by shares | Live |
| NOMIS AND YAMAGEN LIMITED | Private company limited by shares | Dissolved |
| SENWEN YAMAGEN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |