| Company Name | Type | Status |
|---|---|---|
| BOUGAIN LIMITED | Private company limited by shares | Dissolved |
| Bougainvia Technology Limited | Private company limited by shares | Dissolved |
| Bougainville Biotechnology Limited | Private company limited by shares | Live |
| Bougainville Enterprise Group Limited | Private company limited by shares | Live |
| Bougainville Technology Limited | Live | |
| BOUGAINVILLEA LIMITED | Private company limited by shares | Live |