| Company Name | Type | Status |
|---|---|---|
| PROTRONICS COMPANY LIMITED | Private company limited by shares | Live |
| PROTRONICS INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| PROTRONICS INTERNATIONAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| PROTRONICS INTERNATIONAL LIMITED | Private company limited by shares | Live |
| PROTRONICS TECHNOLOGIES COMPANY LIMITED | Private company limited by shares | Dissolved |
| PROTRONICS TECHNOLOGY (SHENZHEN) LIMITED | Private company limited by shares | Live |