| TRISTA MEDICAL COMPANY LIMITED | Private company limited by shares | Live |
| TRISTA TRADE LIMITED | Private company limited by shares | Live |
| TRISTACO MINERAL RESOURCES LIMITED | Private company limited by shares | Dissolved |
| TRISTAN LIMITED | Private company limited by shares | Live |
| Tristan Day Zee Limited | Private company limited by shares | Live |
| TRI-STAND LIMITED | Private company limited by shares | Live |
| TRI-STAND INVESTMENT LIMITED | Private company limited by shares | Live |
| TRISTANIA CO. LIMITED | Private company limited by shares | Dissolved |
| TRISTAR BAY LIMITED | Private company limited by shares | Dissolved |
| TRI-STAR LIMITED | Private company limited by shares | Dissolved |
| TRISTAR HK LIMITED | Private company limited by shares | Dissolved |
| TRI-STAR LIMITED | Private company limited by shares | Dissolved |
| TRISTAR COMPANY LIMITED | Private company limited by shares | Live |
| Tristar Int Limited | Private company limited by shares | Live |
| TRISTAR E&M LIMITED | Private company limited by shares | Live |
| TriStar Ice Limited | Private company limited by shares | Live |
| KNS Tristar Limited | | Live |
| Tristar (Recoveries) 2017 Limited | Private company limited by shares | Live |
| TRISTAR ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| Tristar Capital Advisors Limited | Private company limited by shares | Live |
| TRISTAR INSURANCE AGENCY LIMITED | Private company limited by shares | Dissolved |
| TRI-STAR APPAREL EXPORTS LIMITED | Private company limited by shares | Dissolved |
| TRI-STAR APPAREL EXPORTS (H.K.) LIMITED | Private company limited by shares | Dissolved |
| TRISTAR (ASIA) LIMITED | Private company limited by shares | Dissolved |
| TRI-STAR AUTOMOBILE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRISTAR BUILDING MATERIALS LIMITED | Private company limited by shares | Dissolved |
| TRISTAR BUILDING MATERIALS LIMITED | Private company limited by shares | Live |
| Tristar Capital Limited | Private company limited by shares | Live |
| TRISTAR DRAGON WATCH CASES FACTORY LIMITED | Private company limited by shares | Live |
| Tristar Catering Limited | | Live |
| TRISTAR CHEMICALS LIMITED | | Live |
| TRISTAR CITY LIMITED | Private company limited by shares | Live |
| TRISTAR CITY (HK) LIMITED | Private company limited by shares | Dissolved |
| TriStar Entertainment Co., Limited | Private company limited by shares | Live |
| TRISTAR OUTDOOR PRODUCTS CO., LIMITED | Private company limited by shares | Live |
| Tri-Star Communications Limited | Private company limited by shares | Dissolved |
| TRISTAR COMPUTER BOOKS LIMITED | Private company limited by shares | Live |
| TRI-STAR CONSTRUCTION LIMITED | Private company limited by shares | Live |
| TRISTAR CONSTRUCTION LIMITED | Private company limited by shares | Live |
| TRISTAR CONSULTANTS LIMITED | Private company limited by shares | Dissolved |
| Tri-Star Consultants Limited | Private company limited by shares | Live |
| Tristar Consulting Limited | | Live |
| Tristar and Corp. Limited | Private company limited by shares | Live |
| TRISTAR CORPORATION LIMITED | Private company limited by shares | Dissolved |
| TRISTAR GLOBAL TRADE CORPORATION LIMITED | Private company limited by shares | Live |
| Tristar Technology Corporation Limited | Private company limited by shares | Live |
| TRISTAR DESIGN LIMITED | Private company limited by shares | Dissolved |
| TRI-STAR DEVELOPMENT LIMITED | Private company limited by shares | Live |
| TRI-STAR INVESTMENT DEVELOPMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRISTAR DIAMONDS LIMITED | Private company limited by shares | Live |
| TRISTAR ELECTRONIC COMPANY LIMITED | Private company limited by shares | Live |
| TRISTAR EMPIRE LIMITED | Private company limited by shares | Dissolved |
| TRISTAR DEBON ENERGY LIMITED | Private company limited by shares | Dissolved |
| TRISTAR ENGINEERING LIMITED | Private company limited by shares | Live |
| Tristar Engineering Hong Kong Limited | Private company limited by shares | Live |
| TRISTAR ENTERPRISES LIMITED | Private company limited by shares | Live |
| TRI-STAR ENTERTAINMENT LIMITED | Private company limited by shares | Dissolved |
| TRISTAR ENVIRONMENTAL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TRISTAR EXPRESS LIMITED | Private company limited by shares | Dissolved |
| TRISTAR (FAR EAST) LIMITED | Private company limited by shares | Dissolved |
| Tristar Products (Far East) Limited | Private company limited by shares | Live |
| Tristar Fashion Limited | Private company limited by shares | Live |
| Tristar Films Limited | Private company limited by shares | Live |
| COLUMBIA TRISTAR FILMS FAR EAST, LIMITED | Private company limited by shares | Dissolved |
| TRISTAR FINANCE LIMITED | Private company limited by shares | Dissolved |
| TRISTAR VIDEO GAME CENTRE LIMITED | Private company limited by shares | Dissolved |
| TRI-STAR GARMENT FACTORY LIMITED -THE- | Private company limited by shares | Dissolved |
| Tristar Global Limited | Private company limited by shares | Live |
| Tristar Convoy Global Limited | Private company limited by shares | Live |
| TRI-STAR GLOBAL ENTERPRISE CO. LIMITED | Private company limited by shares | Dissolved |
| TRISTAR ENTERPRISES (GLOBAL) LIMITED | Private company limited by shares | Live |
| Tristar Global Infrastructure Limited | Private company limited by shares | Live |
| GOLDEN TRISTAR COMPANY LIMITED | Private company limited by shares | Dissolved |
| GOLDEN TRISTAR LIMITED | Private company limited by shares | Dissolved |
| TRI-STAR GOLDEN JEWELLERY LIMITED | Private company limited by shares | Dissolved |
| TRISTAR SPORTS GOODS LIMITED | Private company limited by shares | Dissolved |
| TRISTAR GOURMET LIMITED | Private company limited by shares | Dissolved |
| Tristar Footwear Group Limited | Private company limited by shares | Live |
| TRISTAR GROUP INVESTMENTS LIMITED | Private company limited by shares | Live |
| TRISTAR HALL LIMITED | Private company limited by shares | Dissolved |
| TRISTAR HARBOUR LIMITED | Private company limited by shares | Dissolved |
| TRISTAR HOLDING (HK) COSMETICS LIMITED | Private company limited by shares | Live |
| TRISTAR ENGINEERING (HK) LIMITED | Private company limited by shares | Dissolved |
| TRISTAR ENTERPRISE (HK) LIMITED | Private company limited by shares | Dissolved |
| TRISTAR INDUSTRY (HK) CO., LIMITED | Private company limited by shares | Live |
| TRI-STAR (HK) TRADING COMPANY LIMITED | Private company limited by shares | Live |
| TRISTAR HOBBY COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRISTAR HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| TRISTAR HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| TRISTAR (HONG KONG) HOLDING CO., LIMITED | Private company limited by shares | Dissolved |
| TRI-STAR INVESTMENT (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TRISTAR HONG KONG LIMITED | Private company limited by shares | Dissolved |
| Tristar Hong Kong Limited | Private company limited by shares | Live |
| HONGKONG TRISTAR CO., LIMITED | Private company limited by shares | Dissolved |
| HONGKONG TRI-STAR HOLDINGS LIMITED | Private company limited by shares | Dissolved |
| TRISTAR IMPEX LIMITED | Private company limited by shares | Live |
| TRISTAR IMPORT EXPORT LIMITED | Private company limited by shares | Dissolved |
| TRI-STAR INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRISTAR INDUSTRIAL LIMITED | Private company limited by shares | Live |
| TRI-STAR INDUSTRIAL TRADING LIMITED | Private company limited by shares | Live |