| Company Name | Type | Status |
|---|---|---|
| Olden Time Limited | Live | |
| OLDENBURG LIMITED | Private company limited by shares | Dissolved |
| Oldenburg (Hong Kong) Group Limited | Private company limited by shares | Dissolved |
| EGON OLDENDORFF (ASIA) LIMITED | Private company limited by shares | Dissolved |
| WORLD OLDER CULTURE HEALTH PROPERTY ASSOCIATION LIMITED | Private company limited by shares | Live |