| Birobix Limited | | Live |
| BIRODOLF IND CO., LIMITED | Private company limited by shares | Dissolved |
| BiroDolf (Asia) Co., Limited | Private company limited by shares | Dissolved |
| BiroDolf (Enterprises) Co., Limited | Private company limited by shares | Dissolved |
| BIROKE COMPANY LIMITED | Private company limited by shares | Dissolved |
| BIROLL LIMITED | Private company limited by shares | Dissolved |
| BIROOM LIMITED | Private company limited by shares | Dissolved |
| BIROSA Corporation Limited | Private company limited by shares | Live |
| BIROSTIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| Birot Bei Limited | Private company limited by shares | Live |
| BIROUTE LIMITED | Private company limited by shares | Live |
| BIROY TRADING LIMITED | Private company limited by shares | Dissolved |
| BIROZA LIMITED | Private company limited by shares | Live |