| TIANA COMPANY LIMITED | Private company limited by shares | Dissolved |
| Tiana Limited | Private company limited by shares | Live |
| Tiana Trading Co., Limited | | Live |
| TIANA DASH TRADING LIMITED | Private company limited by shares | Live |
| TIANA LIGHTING & DESIGN COMPANY LIMITED | Private company limited by shares | Live |
| TIANA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Tiana Global Limited | Private company limited by shares | Dissolved |
| Tiana Xiao Productions Limited | Private company limited by shares | Live |
| Tiana Kotti Studio Limited | Private company limited by shares | Live |
| YIWU TIANA CO., LIMITED | | Live |
| TIAN'AI INTERNATONAL SHIPPING CO., LIMITED | Private company limited by shares | Dissolved |
| Tianai Immigration Consultant Company Limited | Private company limited by shares | Dissolved |
| TIANAI GROUP LIMITED | Private company limited by shares | Live |
| TIANAI (HK) LIMITED | Private company limited by shares | Live |
| HONGKONG TIANAI HEALTHY MANAGEMENT GROUP LIMITED | | Live |
| HONGKONG TIANAI TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| SWAN TIANAI ELECTRIC ( HK ) LIMITED | Private company limited by shares | Dissolved |
| TIANANMEN LIMITED | Private company limited by shares | Live |
| TIANANMEN PUBLICATION LIMITED | Private company limited by shares | Dissolved |
| TIANANQI LIMITED | | Live |
| TIAN-ANTIANDI (BEIJING) ESTATE DEVELOPMENT CO., LIMITED | Private company limited by shares | Dissolved |