| Company Name | Type | Status |
|---|---|---|
| MCDONNELL & CO. (ASIA) LIMITED | Private company limited by shares | Dissolved |
| MCDONNELL & GORMAN LIMITED | Private company limited by shares | Dissolved |
| MCDONNELL INFORMATION SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| HK MCDONNELL-DOUGLAS INTERNATIONAL GROUP LIMITED | Private company limited by shares | Live |