| TRICON COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRICON LIMITED | Private company limited by shares | Live |
| TRICON (ASIA) LIMITED | Private company limited by shares | Dissolved |
| TRICON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TRICON INTERCONNECT LIMITED | Private company limited by shares | Live |
| TRICON INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TRICON TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TRICON TRADING COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRICONA PRODUCTIONS LIMITED | Private company limited by shares | Live |
| TRI-CONCEPT LIMITED | Private company limited by shares | Dissolved |
| TRI-CONNECTION LIMITED | Private company limited by shares | Dissolved |
| TRI-CONTINENT INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TRI-CONTINENTAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| TRI-CONTINENTAL (H.K.) LIMITED | Private company limited by shares | Dissolved |
| TRI-CONTINENTAL LOGISTICS LIMITED | Private company limited by shares | Live |
| TRI-CONTROL AUTOMATION COMPANY LIMITED | Public company limited by shares | Live |
| TRICONVILLE INVESTMENTS LIMITED | Private company limited by shares | Dissolved |