| TAK TRON COMPANY LIMITED | Private company limited by shares | Dissolved |
| DR. TRON LIMITED | Private company limited by shares | Live |
| TRON LIMITED | Private company limited by shares | Live |
| TOP TRON COMPANY LIMITED | Private company limited by shares | Live |
| Van Tron Limited | Private company limited by shares | Live |
| TRON LIMITED | Private company limited by shares | Live |
| YP Tron Limited | | Live |
| TRON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TRON PHARMA LIMITED | Private company limited by shares | Dissolved |
| Tron Creative Power Limited | | Live |
| New Tron Restaurant Limited | Private company limited by shares | Live |
| TRONA COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRONAPP LIMITED | Private company limited by shares | Live |
| TRONCAL COMPANY LIMITED | Private company limited by shares | Live |
| TRONCO COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRONDA ELECTRONICS LIMITED | Private company limited by shares | Live |
| TRONDA INVESTMENT LIMITED | Private company limited by shares | Live |
| TRONDER COMPANY LIMITED | Private company limited by shares | Live |
| TRONDRA LIMITED | Private company limited by shares | Live |
| TRONDSON LIMITED | Private company limited by shares | Dissolved |
| TRONEE THREAD COMPANY LIMITED | Private company limited by shares | Live |
| Troneer (Bio-Technology) Limited | Private company limited by shares | Live |
| TRONEER ELECTRONICS ENGINEERING (HK) LIMITED | Private company limited by shares | Live |
| TRONEER PERFORMANCE PRODUCTION LIMITED | Private company limited by shares | Live |
| TRONEER TECHNOLOGY (ASIA) LIMITED | Private company limited by shares | Live |
| TRONERGY COMPANY LIMITED | Private company limited by shares | Live |
| TRONERO HOME DECORATIONS CO., LIMITED | Private company limited by shares | Dissolved |
| Tronex (Asia), Limited | Private company limited by shares | Live |
| ITALY TRONEX (HK) INT'L LIMITED | Private company limited by shares | Dissolved |
| TRONFIL LIMITED | Private company limited by shares | Dissolved |
| TRONFIX COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRONFY TECH CO., LIMITED | Private company limited by shares | Live |
| TRONGKUEN LIMITED | Private company limited by shares | Live |
| SUN TRONIC COMPANY LIMITED | Private company limited by shares | Live |
| TRONIC LIMITED | Private company limited by shares | Dissolved |
| Ace Tronic Limited | Private company limited by shares | Dissolved |
| SP TRONIC LIMITED | Private company limited by shares | Dissolved |
| DB TRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRONIC LIMITED | Private company limited by shares | Live |
| Tronic One HK Limited | Private company limited by shares | Live |
| Tec Tronic Company Limited | | Live |
| TRONIC HK LIMITED | | Live |
| TRONIC AUTOMATIC SOLUTIONS LIMITED | Private company limited by shares | Dissolved |
| China Tronic System Limited | Private company limited by shares | Dissolved |
| Tronic CO., LIMITED | | Live |
| TRONIC COMPUTER SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TAI TRONIC ELECTRONIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRONIC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Lett Tronic Group Limited | | Live |
| Tronic Mighty Company Limited | | Live |
| TRONIC TECH COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRONIC TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| NEW TRONIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| BEST TRONIC TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TRONIC TRADING LIMITED | Private company limited by shares | Dissolved |
| TRONIC TRADING LIMITED | Private company limited by shares | Live |
| TRONIC HK TRADING COMPANY LIMITED | | Live |
| TRONICA LIMITED | Private company limited by shares | Dissolved |
| TRONICA ELECTRONIC ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| TRONICA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TRONICA INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRONICA CASH REGISTER LIMITED | Private company limited by shares | Dissolved |
| TRONICA TECHNOLOGY HOLDING LIMITED | | Live |
| TronicBay Limited | Private company limited by shares | Live |
| NEW TRONICS COMPANY LIMITED | Private company limited by shares | Live |
| TRONICS LIMITED | Private company limited by shares | Live |
| HK Tronics Co., Limited | | Live |
| SHENZHEN PRI - TRONICS CO., LIMITED | Private company limited by shares | Live |
| DYNAMIC TRONICS LIMITED | Private company limited by shares | Live |
| GUANGJU ELEC TRONICS HK CO., LIMITED | Private company limited by shares | Live |
| HOPE TRONICS FACTORY LIMITED | Private company limited by shares | Live |
| TRONICS GROUP LIMITED | Private company limited by shares | Live |
| Istanbul Tronics HK Limited | Private company limited by shares | Live |
| MICS TRONICS LIMITED | Private company limited by shares | Dissolved |
| MITCHELL TRONICS LIMITED | Private company limited by shares | Dissolved |
| SUCCESS TRONICS HK LIMITED | Private company limited by shares | Live |
| Super Tronics Limited | Private company limited by shares | Dissolved |
| HONG KONG TRONIDA INFORMATION TECHNOLOGY LIMITED | Private company limited by shares | Live |
| EM TRONIK LIMITED | Private company limited by shares | Live |
| E M TRONIK (DELTA) LIMITED | Private company limited by shares | Live |
| TRONIKA LIMITED | Private company limited by shares | Dissolved |
| TRONITECH HK, LIMITED | Private company limited by shares | Live |
| TRONIX ASIA LIMITED | Private company limited by shares | Live Commenced dormancy on 11-Dec-2015 |
| YU WON TRONIX CO., LIMITED | Private company limited by shares | Live |
| ZHEJIANG TRONIX INDUSTRIAL CO., LIMITED | Private company limited by shares | Live |
| TRONIX ELECTRONIC ENGINEERING CO. LIMITED | Private company limited by shares | Dissolved |
| Tronix Group Limited | Private company limited by shares | Live |
| TRONIX (HK) LIMITED | Private company limited by shares | Live |
| TRONIX TECHNOLOGY ASIA (HK) LIMITED | Private company limited by shares | Dissolved |
| TOP TRONIX INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| Maple Tronix Limited | Private company limited by shares | Live |
| TRONIX SOLUTIONS HK LIMITED | Private company limited by shares | Dissolved |
| TRONIX TOYS LIMITED | Private company limited by shares | Dissolved |
| TRONIX TRADING LIMITED | Private company limited by shares | Live |
| TRONKEN ENTERPRISES LIMITED | Private company limited by shares | Live |
| Tronkin Mining Limited | | Live |
| TRONKNOW TECHNOLOGY (HONGKONG) CO., LIMITED | Private company limited by shares | Live |
| Tronlab Technology Limited | Private company limited by shares | Live |
| Tronlex Limited | Private company limited by shares | Live |
| Tronlix Limited | Private company limited by shares | Live |