| B.T.L. INT'L GROUP CO., LIMITED | Private company limited by shares | Live |
| B.T.L INDUSTRY & TRADE CO., LIMITED | Private company limited by shares | Live |
| BTLC Limited | Private company limited by shares | Live |
| BT-life Limited | | Live |
| BT-LINKS COMPANY LIMITED | Private company limited by shares | Live |
| BT-LINKS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| BTLP LIMITED | Private company limited by shares | Dissolved |
| BTLRUG LIMITED | Private company limited by shares | Live |
| BTL-START ELECTRONICS LIMITED | Private company limited by shares | Dissolved |