| Company Name | Type | Status |
|---|---|---|
| OPCO LIMITED | Private company limited by shares | Dissolved |
| COB OpCo Limited | Live | |
| OPCOM COMPANY LIMITED | Private company limited by shares | Dissolved |
| OPCOMM LIMITED | Live | |
| OPCON LIMITED | Private company limited by shares | Dissolved |
| Opconsult Limited | Private company limited by shares | Live |