| Company Name | Type | Status |
|---|---|---|
| MCKAY LIMITED | Private company limited by shares | Dissolved |
| Mckay Global Markets Pty Limited | Live | |
| Mckay Holding Group Limited | Live | |
| MCKAY INVESTMENT LIMITED | Private company limited by shares | Live |
| McKaye Limited | Private company limited by shares | Dissolved |
| PAN MCKAYS HEALTH LABORATORIES LIMITED | Private company limited by shares | Dissolved |