| Tria Limited | Private company limited by shares | Live |
| Tri-A investment Limited | Private company limited by shares | Dissolved |
| TRIABLE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TRIACA ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TRIACE LIMITED | Private company limited by shares | Live |
| TRIACE USA LIMITED | Private company limited by shares | Live |
| TRI-ACE ADVISOR LIMITED | Private company limited by shares | Live |
| TRI-ACE TRADING LIMITED | Private company limited by shares | Dissolved |
| TRIACTION LIMITED | Private company limited by shares | Live |
| TRIAD LIMITED | Private company limited by shares | Dissolved |
| TRIAD ADVERTISING LIMITED | Private company limited by shares | Dissolved |
| TRIAD ASIA LIMITED | Private company limited by shares | Dissolved |
| TRIAD CREATION LIMITED | Private company limited by shares | Dissolved |
| TRIAD ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| GOLD TRIAD COMPANY LIMITED | Private company limited by shares | Dissolved |
| SUPER TRIAD (HONG KONG) LIMITED | Private company limited by shares | Dissolved |
| TRIAD ELECTRIC INDUSTRIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIAD PUBLISHING LIMITED | Private company limited by shares | Dissolved |
| TRIAD SAIPAN-HONG KONG EXPONENT LIMITED | Private company limited by shares | Dissolved |
| TRI-AD SOCIETY LIMITED | Private company limited by shares | Dissolved |
| Triada Capital Limited | Private company limited by shares | Live |
| TRIADON TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Triage Company Limited | Private company limited by shares | Live |
| WEI LONG TRI-AGRICULTURAL GROUP LIMITED | Private company limited by shares | Dissolved |
| Trial Limited | Private company limited by shares | Live |
| AWARD TRIAL LIMITED | Private company limited by shares | Live |
| CLINICAL TRIAL CONCEPTS LIMITED | Private company limited by shares | Dissolved |
| Humanity & Health Clinical Trial Centre Limited | Private company limited by shares | Live |
| Advanced Clinical Trial Supply (H.K) Limited | Private company limited by shares | Live |
| Clinical Trial Magnifier Limited | Private company limited by shares | Live |
| TRIAL CREATION LIMITED | Private company limited by shares | Dissolved |
| TRIAL & ERROR LIMITED | Private company limited by shares | Live |
| Trial Marketing Limited | | Live |
| OCEAN TRIAL LIMITED | Private company limited by shares | Dissolved |
| Trial & Error Online Store Limited | | Live |
| PACIFIC TRIAL LIMITED | Private company limited by shares | Dissolved |
| SILVER TRIAL LIMITED | Private company limited by shares | Dissolved |
| SUNNY TRIAL LIMITED | Private company limited by shares | Live |
| TRIAL BEST TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| Trial China Technology Co., Limited | Private company limited by shares | Live |
| TRIAL TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Trialogue Counselling (Hong Kong) Limited | Private company limited by shares | Live |
| TRI-ALPHA NETWORKS LIMITED | Private company limited by shares | Dissolved |
| TRIAM INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TRIAM MANUFACTURING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIAMBOS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIAMOCO COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIAMPHE (CHINA) COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIAN COMPANY LIMITED | Private company limited by shares | Live |
| TRIANA INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Triance Pharmaceutical (Hong Kong) Co., Limited | Private company limited by shares | Live |
| TRIANCE ELECTRONIC TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| Triangel Limited | Private company limited by shares | Live |
| TRIANGEL RSD LIMITED | Private company limited by shares | Live |
| TriAngel Asset Management Co., Limited | | Live |
| TRIANGEL SLIM & BEAUTY LIMITED | Private company limited by shares | Live |
| TRIANGL LIMITED | Private company limited by shares | Live |
| TRIANGLE LIMITED | Private company limited by shares | Dissolved |
| RED TRIANGLE LIMITED | Private company limited by shares | Dissolved |
| FTT TRIANGLE COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRIANGLE BUS LIMITED | Private company limited by shares | Live |
| TRIANGLE LIMITED | Private company limited by shares | Live |
| TRIANGLE WIN LIMITED | Private company limited by shares | Dissolved |
| C & G ART TRIANGLE LIMITED | | Live |
| TRIANGLE ADVERTISING COMPANY LIMITED | Private company limited by shares | Live |
| BIZARRE LOVE TRIANGLE LIMITED | Private company limited by shares | Dissolved |
| Triangle Mortgage Broker Limited | Private company limited by shares | Live |
| Triangle Brothers Limited | | Live |
| Capital Triangle Limited | Private company limited by shares | Live |
| CHINA TRIANGLE GROUP COMPANY LIMITED | Private company limited by shares | Dissolved |
| China Triangle International Service Limited | Private company limited by shares | Dissolved |
| TRIANGLE GROUP (GUANG ZHOU) ELECTRIC CO., LIMITED | Private company limited by shares | Dissolved |
| COMMERCIAL TRIANGLE LIMITED | Private company limited by shares | Dissolved |
| TRIANGLE CONSULTANCY LIMITED | Private company limited by shares | Dissolved |
| China Long Triangle Cultural Media Limited | Private company limited by shares | Live |
| TRIANGLE APPLIANCES DEV. LIMITED | Private company limited by shares | Dissolved |
| TRIANGLE DIMENSION LIMITED | Private company limited by shares | Dissolved |
| Energetic Triangle Biotechnical Limited | | Live |
| TRIANGLE ENTERPRISE LIMITED | Private company limited by shares | Dissolved |
| TRIANGLE ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| GUANGDONG TRIANGLE KITCHEN SANITARY IMPORT & EXPORT LIMITED | Private company limited by shares | Dissolved |
| Iron Triangle Finance Company Limited | Private company limited by shares | Live |
| First Triangle Company Limited | | Live |
| Triangle Free Limited | Private company limited by shares | Live |
| TRIANGLE FURNITURE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Galaxy Triangle Limited | Private company limited by shares | Live |
| China Liquor Golden Triangle Co., Limited | Private company limited by shares | Live |
| GUANGZHOU QINGCHU TRIANGLE HOLDING LIMITED | Private company limited by shares | Dissolved |
| TRIANGLE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TRIANGLE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| GUANGZHOU TRIANGLE ELECTRICAL APPLIANCE LIGHT INDUSTRY LIMITED | Private company limited by shares | Dissolved |
| CHINA LIQUOR GOLD TRIANGLE SHARES LIMITED | Private company limited by shares | Dissolved |
| TRIANGLE SHIPPING MERCHANDISE LIMITED | Private company limited by shares | Live |
| MISS TRIANGLE LIMITED | | Live |
| POWER TRIANGLE LIMITED | Private company limited by shares | Live |
| TRIANGLE PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| TRIANGLE PUBLICATION LIMITED | Private company limited by shares | Dissolved |
| Triangle Skylight Limited | Private company limited by shares | Live |
| TRIANGLE SOLUTIONS COMPANY LIMITED | Private company limited by shares | Live |
| Sports Triangle LIMITED | Company limited by guarantee | Live |