| TOPX CPA LIMITED | | Live |
| TopX Limited | | Live |
| TOPXCARD TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| TOPXCARD TECHNOLOGY (INT'L) CO., LIMITED | Private company limited by shares | Live |
| TOPXIN ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| TOPXIN (HONG KONG) COMPANY LIMITED | Private company limited by shares | Live |
| Hongkong Topxin International Limited | Private company limited by shares | Live |
| Hongkong Topxin International Investment Limited | Private company limited by shares | Live |
| TOPXING INDUSTRY TRADING LIMITED | Private company limited by shares | Live |
| TOPXINGDA TRADING CO., LIMITED | Private company limited by shares | Live |
| TOPXMOBI CO., LIMITED | Private company limited by shares | Live |