| TROS ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| Hong Kong Tros Network Co., Limited | | Live |
| HONGKONG TROS TECHNOLOGY CO, LIMITED | Private company limited by shares | Live |
| TROS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TROSION INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| TROSON (GZ) INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| Shenzhen Troson Technology Co., Limited | Private company limited by shares | Live |
| TROSTAN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |