| Company Name | Type | Status |
|---|---|---|
| WILLMANN & PEIN ASIA LIMITED | Private company limited by shares | Dissolved |
| PEIN INTERNATIONAL (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| BIS SHANG PEIN D.I. PIPES SUPPLIES COMPANY LIMITED | Private company limited by shares | Live |
| PEINHADOR CAPITAL MANAGEMENT LIMITED | Private company limited by shares | Live |
| Hongkong Peini Trade Co., Limited | Private company limited by shares | Live |