| Trin Technology Company Limited | Private company limited by shares | Live |
| 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 |
| TRINCHERA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TRINE LIMITED | Private company limited by shares | Dissolved |
| Trine Limited | Private company limited by shares | Live |
| TRINE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TRINERGY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRINERGY LIMITED | Private company limited by shares | Live |
| GRAND TRINERGY CO., LIMITED | Private company limited by shares | Live |
| TRINERGY FINANCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Trinergy Group Limited | Private company limited by shares | Live |
| TRINERGY BUSINESS SOLUTIONS LIMITED | Private company limited by shares | Live |
| TRINERGY TEXTILES LIMITED | Private company limited by shares | Dissolved |
| Trinergy trading company Limited | Private company limited by shares | Live |
| TRINESIS HK LIMITED | Private company limited by shares | Live |
| TRINET CO., LIMITED | Private company limited by shares | Live |
| TRINET GARDEN LIMITED | Private company limited by shares | Live |
| TRINET GLOBAL NETWORK LIMITED | Private company limited by shares | Dissolved |
| TRI-NET (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TRINET PROPERTIES SZ LIMITED | Private company limited by shares | Dissolved |
| TRI-NET TECHNOLOGY COMPANY LIMITED | Private company limited by shares | Live |
| TRINETECH INTERNATIONAL CO., LIMITED | Private company limited by shares | Live |
| TRINETRA LIMITED | Private company limited by shares | Dissolved |
| TRINEW INTERNATIONAL (HK) GROUP LIMITED | Private company limited by shares | Dissolved |
| TRINEWS LIMITED | Private company limited by shares | Dissolved |
| TRINEX LIMITED | Private company limited by shares | Dissolved |
| TRINEX LIMITED | Private company limited by shares | Live |
| TRING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRINGEN COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRINGLE INVESTMENT LIMITED | | Live |
| Tringoku Limited | | Live |
| TRINGSON LIMITED | Private company limited by shares | Dissolved |
| CUONG TRINH LIMITED | Private company limited by shares | Live |
| TRINI CHANCE LIMITED | Private company limited by shares | Live |
| TRINI CHANCE INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TRINI SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRINIC LIMITED | Private company limited by shares | Dissolved |
| TRINIC CREATION LIMITED | Private company limited by shares | Dissolved |
| TRI-NICE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRINICO LIMITED | Private company limited by shares | Dissolved |
| TRINICOM LIMITED | Private company limited by shares | Live |
| TRINICOM ADVERTISING LIMITED | Private company limited by shares | Live |
| TRINICON CONSULTANT COMPANY LIMITED | Private company limited by shares | Live |
| TRINIDAD COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRINIFAITH COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRINIFIELD ESTATE AGENT LIMITED | Private company limited by shares | Dissolved |
| TRINIFIELD INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TRINIFIELD TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TRINIFIELD WATCH LIMITED | Private company limited by shares | Dissolved |
| TRINIGROUPTECH LIMITED | Private company limited by shares | Live |
| TRINIMART COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRINING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRINION COMPANY LIMITED | Private company limited by shares | Live |
| TRINION ENVIRONMENTAL TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| Trinion International Limited | | Live |
| Triniq Limited | Private company limited by shares | Live |
| Trinique Limited | | Live |
| TRINITA3 GROUP LIMITED | Private company limited by shares | Live |
| TRINITAS HK LIMITED | | Live |
| TRINITAS GROUP LIMITED | Private company limited by shares | Dissolved |
| Trinitas International Trading Limited | | Live |
| TRINITAS LEUNG COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRINITAS C Y LEUNG COMPANY LIMITED | Private company limited by shares | Dissolved |
| LA TRINITE NATURELLE LIMITED | Private company limited by shares | Live |
| TRINITECH DEVELOPMENTS LIMITED | Private company limited by shares | Dissolved |
| TRINITEX LIMITED | Private company limited by shares | Dissolved |
| TRINITI LIMITED | Private company limited by shares | Dissolved |
| TRINITOP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TRINI-TRANS LIMITED | Private company limited by shares | Dissolved |
| TRINI-TRANS DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TRINI-TRANS INTERNATIONAL CARGO SERVICES LIMITED | Private company limited by shares | Dissolved |
| TRINITRON LIMITED | Private company limited by shares | Dissolved |
| TRINITRON ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| NYP TRINITY LIMITED | Private company limited by shares | Live |
| TRINITY FUR COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOP TRINITY LIMITED | Private company limited by shares | Dissolved |
| SUN TRINITY LIMITED | Private company limited by shares | Dissolved |
| TRINITY COMPANY LIMITED | Private company limited by shares | Dissolved |