| TRI-UNION LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION ASIA LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION CHEMICALS LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION CHINALIGHT INVESTMENT LIMITED | Private company limited by shares | Live |
| TRI-UNION GROUP INDUSTRY CO., LIMITED | Private company limited by shares | Live |
| TRI-UNION CORPORATION LIMITED | Private company limited by shares | Live |
| Tri-Union Decoration Company Limited | | Live |
| TRI-UNION DEVCORP LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION DEVELOPMENT LIMITED | Private company limited by shares | Live |
| TRIUNION PROSPEROUS DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION ENGINEERING COMPANY LIMITED | Private company limited by shares | Live |
| TRI-UNION CONSTRUCTION ENGINEERING LIMITED | Private company limited by shares | Live |
| TRI-UNION DESIGN AND ENGINEERING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION ENGINEERING MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION ENTERPRISES, LIMITED | Private company limited by shares | Live |
| TRIUNION FINANCE LIMITED | Private company limited by shares | Dissolved |
| TRIUNION (H.K.) CEREAL & OIL COMPANY LIMITED | Private company limited by shares | Live |
| TRI-UNION INDUSTRIAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION PROPERTIES MANAGEMENT (HK) LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION (H.K.) PULP & PAPER LIMITED | Private company limited by shares | Live |
| TRI-UNION (H.K.) TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION HOLDINGS LIMITED | Private company limited by shares | Live |
| HONGKONG TRI-UNION GROUP LIMITED | Private company limited by shares | Live |
| HONGKONG TRIUNION LOGISTICS CO., LIMITED | Private company limited by shares | Live |
| TRI-UNION INC. LIMITED | Private company limited by shares | Live |
| TRI-UNION INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TRI-UNION INTERNATIONAL CAPITAL LIMITED | Private company limited by shares | Live |
| TRI-UNION (INTERNATIONAL) DEVELOPMENT LIMITED | Private company limited by shares | Live |
| HK TRI-UNION (INTERNATIONAL) INVESTMENT & DEVELOPMENT CO., LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION INTERNATIONAL ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION INTERNATIONAL (HK) LIMITED | Private company limited by shares | Dissolved |
| Tri-Union International (Hong Kong) Limited | Private company limited by shares | Live |
| TRI-UNION INTERNATIONAL LOGISTICS (HK) CO., LIMITED | Private company limited by shares | Live |
| TRI-UNION PROPERTIES (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION INTERNATIONAL TEXTILE GARMENT LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION INTERNATIONAL TRADING CO., LIMITED | Private company limited by shares | Live |
| Tri-Union International Trading Group Limited | Private company limited by shares | Live |
| TRI-UNION INT'L LOGISTICS INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| HK TRI-UNION INT'L LOGISTICS INVESTMENT LIMITED | Private company limited by shares | Live |
| TRI-UNION (J.E.) LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION KNITTING FACTORY LIMITED | Private company limited by shares | Live |
| TRI-UNION LOGISTICS LIMITED | Private company limited by shares | Live |
| TRI-UNION MACHINERY LIMITED | Private company limited by shares | Live |
| TRI-UNION MANAGEMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIUNION MOTORS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION PROFIT INVESTMENT (INTERNATIONAL) LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION PROPERTIES REALTY LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION PROPERTIES REALTY LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION PROPERTY AGENCY LIMITED | Private company limited by shares | Live |
| TRI-UNION PROPERTY INVESTMENT LIMITED | Private company limited by shares | Live |
| TRI-UNION SCREEN PRINTING SUPPLIER LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION SCREEN PRINTING SUPPLIER LIMITED | Private company limited by shares | Live |
| TRI-UNION ENGINEERING SUPPLIES LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION INDUSTRIAL SUPPLIES, LIMITED | Private company limited by shares | Live |
| TRI-UNION TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION TRANSPORTATION COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION VARIATO COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRI-UNION WORLDWIDE LIMITED | Private company limited by shares | Dissolved |
| TRIUNION ZIPPERS CO., LIMITED | Private company limited by shares | Dissolved |