| LINET LIMITED | Private company limited by shares | Dissolved |
| LINETECH POWER SYSTEMS CO., LIMITED | Private company limited by shares | Live |
| HK LINETECH GROUP LIMITED | | Live |
| LINETECH INDUSTRIAL HK CO., LIMITED | Private company limited by shares | Live |
| GOOD LINETECK SCIENCE AND TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| LINETEK CO., LIMITED | Private company limited by shares | Live |
| LINETEK ELECTRONIC CO. LIMITED | Private company limited by shares | Dissolved |
| LINETHINK CO., LIMITED | Private company limited by shares | Live |
| LINETRADE LIMITED | Private company limited by shares | Live |