| Onka Trading Limited | | Live |
| ONKAAR LIMITED | | Live |
| ONKAI ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| ONKAI INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| ONKAI INTERNATIONAL LIMITED | Private company limited by shares | Live |
| ONKAK LIMITED | Private company limited by shares | Dissolved |
| ONKAMCHUEN COMPANY LIMITED | Private company limited by shares | Live |
| ONKAR GLOBAL TRADING COMPANY LIMITED | | Live |
| ONKAY CO. LIMITED | Private company limited by shares | Dissolved |
| ONKAY MOULDING LIMITED | Private company limited by shares | Dissolved |