| TRISTY INVESTMENTS LIMITED | Private company limited by shares | Live |
| TRISTYLE COMPANY LIMITED | Private company limited by shares | Live |
| TRISTYN & VENCHY LIMITED | Private company limited by shares | Live |
| TRISUCCESS LIMITED | Private company limited by shares | Dissolved |
| TRI-SUCCESS LIMITED | Private company limited by shares | Live |
| TRISUGAR LIMITED | Private company limited by shares | Live |
| TRISULA GREATER CHINA LIMITED | Private company limited by shares | Dissolved |
| TRISUM INVESTMENT LIMITED | Private company limited by shares | Live |
| Trisum Trading Limited | | Live |
| TRI-SUN LIMITED | Private company limited by shares | Dissolved |
| TRI-SUN LIMITED | Private company limited by shares | Live |
| TRISUN INTERNATIONAL INVESTMENTS CO., LIMITED | Private company limited by shares | Dissolved |
| TRISUN AIR CONDITIONING SYSTEM LIMITED | Private company limited by shares | Live |
| TRISUN FAR EAST LIMITED | Private company limited by shares | Live |
| TRISUN INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Live |
| TRISUN ENTERPRISES LIMITED | Private company limited by shares | Live |
| TRISUN FINANCIAL GROUP HOLDING COMPANY LIMITED | Private company limited by shares | Live |
| Trisun Group Co., Limited | Private company limited by shares | Dissolved |
| TRI-SUN HEALTH PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| HONG KONG TRI-SUN INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| HONG KONG TRISUN INVESTMENT LIMITED | Private company limited by shares | Live |
| TRISUN INTERNATIONAL TRADING ( HONG KONG ) COMPANY LIMITED | Private company limited by shares | Live |
| TRISUN INVESTMENT LIMITED | Private company limited by shares | Live |
| TRISUN INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TRISUN PIPETECH CO., LIMITED | Private company limited by shares | Live |
| TRISUN SPORTS PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| TRISUN PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| TriSun Software Limited | Private company limited by shares | Live |
| TRISUN TECHNOLOGY (HK) LIMITED | Private company limited by shares | Dissolved |
| TRISUN TRADING LIMITED | Private company limited by shares | Live |
| Shenzhen Trisungo Solar Energy Co., Limited | Private company limited by shares | Live |
| TRISUN-LAND LIMITED | Private company limited by shares | Dissolved |
| Tri-Suns Machinery Limited | Private company limited by shares | Live |
| TRI-SUPER MOTORS LIMITED | Private company limited by shares | Dissolved |
| TRISWIN COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRISYM LIMITED | Private company limited by shares | Dissolved |
| TRI-SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRI-T COMPANY LIMITED | Private company limited by shares | Live |
| TRI-T ELECTRONICS LIMITED | Private company limited by shares | Live |
| TRI-T MARKETING (HK) LIMITED | Private company limited by shares | Dissolved |
| TRI-T TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TRITACT LIMITED | Private company limited by shares | Dissolved |
| TRITACT DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TRITAK LIMITED | Private company limited by shares | Dissolved |
| TRITAK LIMITED | Private company limited by shares | Dissolved |
| Tritan Group Limited | Private company limited by shares | Live |
| TRITAN TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TRITARGET LIMITED | Private company limited by shares | Dissolved |
| TRIT.COM LIMITED | Private company limited by shares | Dissolved |
| Tritdevs Limited | Private company limited by shares | Live |
| TRITEAM LIMITED | Private company limited by shares | Live |
| TRITEC LIMITED | Private company limited by shares | Live |
| TRI-TEC ASIA LIMITED | Private company limited by shares | Live |
| TRI-TEC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TRITEC SYSTEMS LIMITED | Private company limited by shares | Live |
| TRI-TECH LIMITED | Private company limited by shares | Dissolved |
| TRITECH LIMITED | Private company limited by shares | Dissolved |
| TRITECH AUTOMATION LIMITED | Private company limited by shares | Live |
| Tri-Tech Chem Company Limited | Private company limited by shares | Live |
| TRITECH COMPUTERS LIMITED | Private company limited by shares | Dissolved |
| TRI-TECH CORPORATION LIMITED | Private company limited by shares | Dissolved |
| TRITECH DISTRIBUTION LIMITED | Private company limited by shares | Live |
| TRITECH ELECTRONICS CO. LIMITED | Private company limited by shares | Live |
| TRITECH ELECTRONICS MFY LIMITED | Private company limited by shares | Live |
| TRITECH ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TRITECH ENGINEERING LIMITED | Private company limited by shares | Live |
| TRITECH ENGINEERING (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| Tritech Environment Technology Company Limited | Private company limited by shares | Live |
| TRITECH MEDICAL EQUIPMENT COMPANY LIMITED | Private company limited by shares | Live |
| TRITECH (HK) COMPANY LIMITED | Private company limited by shares | Dissolved |
| Tri-Tech Industrial (HK) Limited | Private company limited by shares | Live |
| TRITECH COMPANY SHARE (HK) CO., LIMITED | Private company limited by shares | Live |
| TRITECH TECHNOLOGIES (HK) CO., LIMITED | Private company limited by shares | Live |
| TRITECH HOLDINGS LIMITED | Private company limited by shares | Live |
| TRITECH INDUSTRIAL LIMITED | Private company limited by shares | Live |
| TRI-TECH INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TRITECH INTERNATIONAL HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| TRITECH INTERNATIONAL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TRI-TECH INTERNATIONAL PACKAGING (PRC) LIMITED | Private company limited by shares | Dissolved |
| TRI-TECH RESOURCES INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Tri-Tech Systems International Limited | Private company limited by shares | Live |
| TRI-TECH METALS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Tri-Tech Ocean Limited | | Live |
| TRITECH ORIENTAL LIMITED | Private company limited by shares | Live |
| TRI-TECH RESOURCES LIMITED | Private company limited by shares | Dissolved |
| TRI-TECH SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| TRI-TECH SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TRITECH TECHNOLOGIES CO., LIMITED | Private company limited by shares | Dissolved |
| TRITECH TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TRITECHNI LIMITED | Private company limited by shares | Live |
| Triteck Limited | Private company limited by shares | Live |
| TRITEK ASIA LIMITED | Private company limited by shares | Dissolved |
| TRITEK GROUP LIMITED | Private company limited by shares | Live |
| SHENZHEN TRITEK LIMITED | Private company limited by shares | Live |
| Tritek Technology Limited | Private company limited by shares | Live |
| Tritel Systems Limited | Private company limited by shares | Live |
| TriTerra Technology Limited | Private company limited by shares | Live |
| TRITEX LIMITED | Private company limited by shares | Live |
| Tritex Corp. Limited | Private company limited by shares | Live |
| TRITEX INDUSTRIAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |