| HK TRINA TRADE GROUP CO., LIMITED | Private company limited by shares | Live |
| HK Trina International Group Limited | | Live |
| Trina Health Care (HK) Limited | Private company limited by shares | Live |
| Hiersun Trina International Limited | Private company limited by shares | Live |
| TRINA (HK) LIMITED | Private company limited by shares | Dissolved |
| TRINA (HK) LIMITED | Private company limited by shares | Live |
| Trina Solar (Hong Kong) Enterprises Limited | Private company limited by shares | Live |
| Rosa & Trina Living Store Limited | | Live |
| TRINA SOLAR (H.K.) LIMITED | Private company limited by shares | Live |
| TRINA SOLAR INVEST LIMITED | Private company limited by shares | Live |
| TRINA-CAT TRADE COMPANY LIMITED | Private company limited by shares | Live |
| TRINACRIAN LIMITED | Private company limited by shares | Live |
| TRINACRIAN (CHINA) LIMITED | Private company limited by shares | Live |
| TRINACS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRINACS INC. LIMITED | Private company limited by shares | Live |
| TRINAGA LIMITED | Private company limited by shares | Dissolved |
| TRINAKRIA LIMITED | Private company limited by shares | Live |
| Trinamic Limited | Private company limited by shares | Live |
| TRINAPAC LIMITED | Private company limited by shares | Live |
| TRINARY LIMITED | Private company limited by shares | Live |
| TRINASOLAR LIMITED | Private company limited by shares | Dissolved |
| TRI-NATIONAL CO. LIMITED | Private company limited by shares | Dissolved |
| TRI-NAV COMPANY LIMITED | Private company limited by shares | Dissolved |