| TOPSMART INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TOPSMART INVESTMENTS LIMITED | Private company limited by shares | Live |
| TOPSMART LEGEND LIMITED | Private company limited by shares | Live |
| EVER TOPSMART TRADING DEVELOP LIMITED | Private company limited by shares | Live |
| TOPSMIC COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPSOAR LIMITED | Private company limited by shares | Dissolved |
| TopSOC Information Technology Limited | Private company limited by shares | Live |
| TOPSOFT LIMITED | Private company limited by shares | Live |
| TOPSOIL COMPANY LIMITED | Private company limited by shares | Live Commenced dormancy on 15-Jul-2013 |
| TOPSOLVE TECHNOLOGIES CO., LIMITED | Private company limited by shares | Live |
| TOPSOLVE INDUSTRIAL LIMITED | Private company limited by shares | Live |
| TOPSOM ENTERPRISES LIMITED | Private company limited by shares | Live |
| TOPSON LIMITED | Private company limited by shares | Dissolved |
| TOPSON LIMITED | Private company limited by shares | Dissolved |
| TOPSON LIMITED | Private company limited by shares | Live |
| TOPSON ASIA LIMITED | Private company limited by shares | Dissolved |
| TOPSON (ASIA) LIMITED | Private company limited by shares | Dissolved |
| TOPSON ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TOPSON ENTERPRISES LIMITED | Private company limited by shares | Live |
| Topson Furniture Company Limited | Private company limited by shares | Live |
| TOPSON INVESTMENT LIMITED | Private company limited by shares | Live |
| TOPSON INVESTMENTS LIMITED | Private company limited by shares | Live |
| NEW TOPSON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TOPSON SHIPPING LIMITED | Private company limited by shares | Dissolved |
| TOPSONIC ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TOPSONIC TRADING LIMITED | Private company limited by shares | Live |
| TOP-SOON HK LIMITED | Private company limited by shares | Dissolved |
| Topsoul Technology Limited | Private company limited by shares | Live |
| TOPSOUND COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPSOURCE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Topsource China Limited | Private company limited by shares | Dissolved |
| TOPSOURCE INVESTMENT LIMITED | Private company limited by shares | Live |
| TOPSPARK TECHNOLOGY HONGKONG LIMITED | Private company limited by shares | Dissolved |
| TOPSPARK INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TOPSPEED GROUP LIMITED | Private company limited by shares | Dissolved |
| Top-Speed Technology Limited | Private company limited by shares | Live |
| TOPSPEED TRADE LIMITED | Private company limited by shares | Live |
| Topspeeder Technology Co., Limited | Private company limited by shares | Live |
| TOPSPIN INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPSPORTS LIMITED | Private company limited by shares | Live |
| TOPSQUARE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPSRAIL LOGISTICS (HONG KONG) LIMITED | Private company limited by shares | Live |
| TOPSSD LIMITED | Private company limited by shares | Dissolved |
| TOPSTAIR COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPSTAIR COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPSTAIR DEVELOPMENT LIMITED | Private company limited by shares | Live |
| TOPSTAIR INTERNATIONAL (H.K.) COMPANY LIMITED | Private company limited by shares | Live |
| TOP-STANDARD COURIER COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR LIMITED | Private company limited by shares | Dissolved |
| A. TOPSTAR LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR ONE LIMITED | Private company limited by shares | Live |
| Topstar IT HK, Limited | Private company limited by shares | Live |
| TOPSTAR KS LIMITED | Private company limited by shares | Live |
| TOPSTAR CHINA LIMITED | Private company limited by shares | Live |
| Topstar Circuit Co., Limited | | Live |
| TOPSTAR ELECTRIC CO., LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR ELECTRONICS CO., LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| SHENZHEN TOPSTAR ELECTRONICS CO., LIMITED | Private company limited by shares | Live |
| TOPSTAR CONSTRUCTION CO., LIMITED | Private company limited by shares | Live |
| TOPSTAR CREATION LIMITED | Private company limited by shares | Live |
| TOPSTAR ELECTRONIC LIMITED | Private company limited by shares | Dissolved |
| EVER TOPSTAR LIMITED | Private company limited by shares | Live |
| TOPSTAR FASHION ACCESSORIES CO., LIMITED | Private company limited by shares | Live |
| TOPSTAR FINANCE LIMITED | Private company limited by shares | Live |
| TOPSTAR GARDEN LIMITED | Private company limited by shares | Dissolved |
| GOLD TOPSTAR LIMITED | Private company limited by shares | Dissolved |
| TOP-STAR (INTERATIONAL) INVESTMENT GROUP LIMITED | Private company limited by shares | Live |
| Topstar Holding HK Pty Limited | Private company limited by shares | Live |
| TOPSTAR INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR INTERTRADE LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR MACAU LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR MANAGEMENT LIMITED | Private company limited by shares | Live |
| Topstar Material Technology Limited | Private company limited by shares | Live |
| TOPSTAR MUSIC MAKER LIMITED | Private company limited by shares | Dissolved |
| ORIENTAL TOPSTAR LIMITED | Private company limited by shares | Live |
| TOPSTAR ASIA PACIFIC LIMITED | Private company limited by shares | Live |
| TOPSTAR PAPER COMPANY LIMITED | Private company limited by shares | Dissolved |
| TOP-STAR PREMIUM PRODUCT LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR ENTERTAINMENT PRODUCTION CO., LIMITED | Private company limited by shares | Live |
| TOPSTAR PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| NINGBO TOPSTAR MECHANICAL SEALS LIMITED | Private company limited by shares | Live |
| TOPSTAR SHIPPING LIMITED | Private company limited by shares | Live |
| TOPSTAR TECHNOLOGIES LIMITED | Private company limited by shares | Live |
| TOPSTAR ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TOPSTAR TRADING LIMITED | Private company limited by shares | Dissolved |
| HK TOPSTAR TRADING LIMITED | | Live |
| TOPSTARS LIMITED | Private company limited by shares | Dissolved |
| TOPSTATE COMPANY LIMITED | Private company limited by shares | Live |
| Topstech Co., Limited | Private company limited by shares | Live |
| TOPSTECH SOFTWARE CO., LIMITED | Private company limited by shares | Live |
| TOPSTECH (HK) LIMITED | Private company limited by shares | Live |
| TOPSTECH INTERNATIONAL (HONG KONG) NETWORK LIMITED | Private company limited by shares | Live |
| TOPSTEL TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| TOPSTEP INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TOPSTER COMPANY LIMITED | Private company limited by shares | Live |
| TOPSTONE CHEMICAL CO., LIMITED | Private company limited by shares | Live |
| WEIFANG TOPSTONE CHEMICALS CO., LIMITED | Private company limited by shares | Live |