| Company Name | Type | Status |
|---|---|---|
| Hioki (H.K.) Limited | Private company limited by shares | Dissolved |
| HONG KONG HIOKI LIMITED | Private company limited by shares | Live |
| HIOKI INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| HIOKI INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| HIOKI INVESTMENT LIMITED | Private company limited by shares | Dissolved |