| Company Name | Type | Status |
|---|---|---|
| BILSA CO LIMITED | Live | |
| BILSCHER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| BILSEN COMPANY LIMITED | Private company limited by shares | Live |
| BILSTEIN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| BILSTON COMPANY LIMITED | Private company limited by shares | Dissolved |
| BILSWELL LIMITED | Private company limited by shares | Dissolved |